2528 lines
106 KiB
C++
2528 lines
106 KiB
C++
// gpr_poc —— POC-B headless 度量 CLI。
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//
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// 串起整条地基：发现 14 通道 .iprb + .ord → assembleGprSurvey → buildGprVolume
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// → ChunkedVolumeStore::write → buildPyramid → WholeVolumeSource(load)，
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// 在真实/合成数据上输出可测的真实指标（耗时/维度/体积/压缩比/加载/峰值内存）。
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//
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// 子命令：
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// gpr_poc build <dir> [--line 001] [--cellXY 0.2] [--cellZ 0.05] [--out <storeDir>] [--levels 2]
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// gpr_poc load <storeDir>
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// gpr_poc selftest
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// gpr_poc offscreen-smoke —— 离屏 GL 闸门冒烟
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// gpr_poc renderB <storeDir> [--frames 120] —— 离屏体绘制/切片 fps 基准
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#include <algorithm>
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#include <cmath>
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#include <cstdint>
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#include <cstdlib>
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#include <filesystem>
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#include <fstream>
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#include <iostream>
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#include <map>
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#include <string>
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#include <vector>
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#include "Probe.hpp"
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#include "core/algo/GprVolumeBuilder.hpp"
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#include "core/algo/IInterpolator.hpp"
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#include "core/model/GprSurvey.hpp"
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#include "core/model/ColorScale.hpp"
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#include "core/model/ScalarVolumeI16.hpp"
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#include "data/store/ChunkedVolumeStore.hpp"
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#include "io/gpr/GprSurveyAssembler.hpp"
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#include "render/actors/VoxelActor.hpp"
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#include "render/source/OutOfCoreSource.hpp"
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#include "render/source/WholeVolumeSource.hpp"
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// ---- VTK 离屏渲染 ----
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#include <vtkActor.h>
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#include <vtkCamera.h>
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#include <vtkCubeSource.h>
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#include <vtkGPUVolumeRayCastMapper.h>
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#include <vtkOpenGLGPUVolumeRayCastMapper.h>
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#include <vtkImageActor.h>
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#include <vtkImageData.h>
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#include <vtkImageMapToColors.h>
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#include <vtkImageMapper3D.h>
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#include <vtkImageReslice.h>
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#include <vtkLookupTable.h>
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#include <vtkColorTransferFunction.h>
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#include <vtkMultiBlockDataSet.h>
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#include <vtkMultiBlockVolumeMapper.h>
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#include <vtkNew.h>
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#include <vtkPiecewiseFunction.h>
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#include <vtkVolumeProperty.h>
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#include <vtkObjectFactory.h>
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#include <vtkOutputWindow.h>
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#include <vtkPNGWriter.h>
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#include <vtkPointData.h>
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#include <vtkPolyDataMapper.h>
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#include <vtkProperty.h>
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#include <vtkRenderWindow.h>
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#include <vtkRenderWindowInteractor.h>
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#include <vtkInteractorStyleTrackballCamera.h>
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#include <vtkCallbackCommand.h>
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#include <vtkTextActor.h>
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#include <vtkTextProperty.h>
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#include <vtkRenderer.h>
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#include <vtkShortArray.h>
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#include <vtkSmartPointer.h>
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#include <vtkSmartVolumeMapper.h>
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#include <vtkUnsignedCharArray.h>
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#include <vtkVolume.h>
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#include <vtkWindowToImageFilter.h>
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#ifdef _WIN32
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#include <windows.h> // SetConsoleOutputCP（修中文控制台 GBK 乱码）
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#endif
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namespace fs = std::filesystem;
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using geopro::tools::Probe;
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using geopro::tools::Stopwatch;
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namespace {
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constexpr int kChannels = 14;
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// ---- 命令行参数解析（极简 --key value）----
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struct Args {
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std::map<std::string, std::string> kv;
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std::vector<std::string> positional;
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std::string get(const std::string& key, const std::string& def) const {
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auto it = kv.find(key);
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return it != kv.end() ? it->second : def;
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}
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};
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Args parseArgs(int argc, char** argv, int start) {
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Args a;
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for (int i = start; i < argc; ++i) {
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std::string tok = argv[i];
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if (tok.rfind("--", 0) == 0 && i + 1 < argc) {
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a.kv[tok.substr(2)] = argv[i + 1];
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++i;
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} else {
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a.positional.push_back(tok);
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}
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}
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return a;
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}
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// 把一行指标追加写入 last-metrics.txt（与可执行同目录的工具源目录无关，
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// 写到当前工作目录便于汇总；CSV 风格一行）。
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void writeMetricLine(const std::string& line) {
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std::ofstream f("last-metrics.txt", std::ios::app);
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if (f) f << line << "\n";
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}
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// 发现某线 14 通道 .iprb（按通道号 A01..A14 排序）+ 该线 .ord。
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struct LineFiles {
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std::vector<std::string> iprb; // 已按通道号排序
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std::string ord;
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};
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LineFiles discoverLine(const std::string& dir, const std::string& line) {
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LineFiles lf;
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std::map<int, std::string> byChannel; // 通道号 → 路径（自动按号排序）
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std::string ordPath;
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for (const auto& e : fs::directory_iterator(dir)) {
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if (!e.is_regular_file()) continue;
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const std::string name = e.path().filename().string();
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const std::string ext = e.path().extension().string();
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// .ord：优先匹配本线（含 "_<line>" 且以 .ord 结尾），否则记下工区任一 .ord 作兜底。
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if (ext == ".ord") {
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if (name.find("_" + line + ".") != std::string::npos) {
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ordPath = e.path().string();
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} else if (ordPath.empty()) {
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ordPath = e.path().string();
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}
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continue;
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}
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// .iprb：匹配 "*_<line>_A<NN>.iprb"。
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if (ext != ".iprb") continue;
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const std::string tag = "_" + line + "_A";
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const std::size_t pos = name.find(tag);
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if (pos == std::string::npos) continue;
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const std::size_t numStart = pos + tag.size();
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std::size_t numEnd = numStart;
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while (numEnd < name.size() &&
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std::isdigit(static_cast<unsigned char>(name[numEnd]))) {
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++numEnd;
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}
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if (numEnd == numStart) continue;
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const int ch = std::stoi(name.substr(numStart, numEnd - numStart));
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byChannel[ch] = e.path().string();
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}
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for (const auto& [ch, path] : byChannel) lf.iprb.push_back(path);
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lf.ord = ordPath;
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return lf;
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}
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// 由 survey 推 GridSpec：X 沿测线，Y 跨通道，Z 深度。
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geopro::core::GridSpec specFromSurvey(const geopro::core::GprSurvey& s,
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double cellXY, double cellZ) {
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geopro::core::GridSpec spec{};
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const double rangeX =
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(s.ntraces > 1) ? (s.ntraces - 1) * s.dx : 0.0;
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const double y0 = s.channelY.empty() ? 0.0 : s.channelY.front();
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const double y1 = s.channelY.empty() ? 0.0 : s.channelY.back();
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const double rangeY = y1 - y0;
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const double rangeZ =
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(s.samples > 1) ? (s.samples - 1) * s.dz : 0.0;
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auto cells = [](double range, double cell) {
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if (cell <= 0.0) return 1;
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return static_cast<int>(std::ceil(range / cell)) + 1;
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};
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spec.ox = s.x0;
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spec.oy = y0;
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spec.oz = s.z0;
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spec.dx = cellXY;
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spec.dy = cellXY;
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spec.dz = cellZ;
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spec.nx = cells(rangeX, cellXY);
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spec.ny = cells(rangeY, cellXY);
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spec.nz = cells(rangeZ, cellZ);
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spec.power = 2.0;
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spec.maxDist = cellXY * 2.0;
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return spec;
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}
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// 落盘 data.bin 体积（所有 data*.bin 之和，含金字塔各级）。
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std::int64_t storeDataBytes(const std::string& dir) {
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std::int64_t total = 0;
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for (const auto& e : fs::directory_iterator(dir)) {
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if (!e.is_regular_file()) continue;
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const std::string name = e.path().filename().string();
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if (name.rfind("data", 0) == 0 &&
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e.path().extension().string() == ".bin") {
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total += static_cast<std::int64_t>(e.file_size());
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}
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}
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return total;
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}
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int cmdBuild(int argc, char** argv) {
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const Args a = parseArgs(argc, argv, 2);
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if (a.positional.empty()) {
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std::cerr << "用法: gpr_poc build <dir> [--line 001] [--cellXY 0.2] "
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"[--cellZ 0.05] [--out <storeDir>] [--levels 2]\n";
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return 2;
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}
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const std::string dir = a.positional[0];
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const std::string line = a.get("line", "001");
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const double cellXY = std::stod(a.get("cellXY", "0.2"));
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const double cellZ = std::stod(a.get("cellZ", "0.05"));
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const int levels = std::stoi(a.get("levels", "2"));
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const std::string out =
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a.get("out", (fs::temp_directory_path() / ("gpr_store_" + line)).string());
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std::cout << "[build] dir=" << dir << " line=" << line
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<< " cellXY=" << cellXY << " cellZ=" << cellZ
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<< " levels=" << levels << " out=" << out << "\n";
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const LineFiles lf = discoverLine(dir, line);
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std::cout << "[build] 发现通道数=" << lf.iprb.size()
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<< " ord=" << (lf.ord.empty() ? "(无)" : lf.ord) << "\n";
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if (lf.iprb.size() != static_cast<std::size_t>(kChannels)) {
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std::cerr << "[build] 警告: 通道数 != " << kChannels
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<< "（仍按发现数继续）\n";
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}
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if (lf.iprb.empty() || lf.ord.empty()) {
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std::cerr << "[build] 错误: 未发现 .iprb 或 .ord\n";
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return 1;
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}
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// 1) 装配
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Stopwatch swAsm;
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geopro::core::GprSurvey survey =
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geopro::io::gpr::assembleGprSurvey(lf.iprb, lf.ord);
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const double asmMs = swAsm.elapsedMs();
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std::cout << "[build] 装配完成 ntraces=" << survey.ntraces
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<< " samples=" << survey.samples
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<< " channels=" << survey.channelY.size()
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<< " dx=" << survey.dx << " dz=" << survey.dz << "\n";
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// 2) 建体
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const geopro::core::GridSpec spec = specFromSurvey(survey, cellXY, cellZ);
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std::cout << "[build] GridSpec nx=" << spec.nx << " ny=" << spec.ny
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<< " nz=" << spec.nz << " dx=" << spec.dx << " dy=" << spec.dy
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<< " dz=" << spec.dz << " maxDist=" << spec.maxDist << "\n";
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Stopwatch swBuild;
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geopro::core::BuiltI16 built = geopro::core::buildGprVolume(survey, spec);
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const double buildMs = swBuild.elapsedMs();
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const std::int64_t nx = built.vol.nx(), ny = built.vol.ny(), nz = built.vol.nz();
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const std::int64_t voxels = nx * ny * nz;
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const std::int64_t rawBytes = voxels * 2; // int16
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// 3) 落盘 + 金字塔
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fs::create_directories(out);
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Stopwatch swWrite;
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geopro::data::ChunkedVolumeStore::write(out, built);
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const double writeMs = swWrite.elapsedMs();
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Stopwatch swPyr;
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{
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geopro::data::ChunkedVolumeStore store(out);
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store.buildPyramid(levels);
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}
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const double pyrMs = swPyr.elapsedMs();
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const std::int64_t dataBytes = storeDataBytes(out);
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const double ratio =
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dataBytes > 0 ? static_cast<double>(rawBytes) / dataBytes : 0.0;
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const double peak = Probe::peakMemMB();
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std::cout << "\n=== build 指标 ===\n";
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std::cout << "装配耗时(ms) : " << asmMs << "\n";
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std::cout << "建体耗时(ms) : " << buildMs << "\n";
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std::cout << "落盘耗时(ms) : " << writeMs << "\n";
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std::cout << "金字塔耗时(ms) : " << pyrMs << "\n";
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std::cout << "体维度 : " << nx << " x " << ny << " x " << nz << "\n";
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std::cout << "体素数 : " << voxels << "\n";
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std::cout << "原始体积(B) : " << rawBytes << " ("
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<< rawBytes / (1024.0 * 1024.0) << " MB)\n";
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std::cout << "data.bin(B) : " << dataBytes << " ("
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<< dataBytes / (1024.0 * 1024.0) << " MB)\n";
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std::cout << "压缩比 : " << ratio << " x\n";
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std::cout << "峰值内存(MB) : " << peak << "\n";
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writeMetricLine(
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"build,line=" + line + ",cellXY=" + std::to_string(cellXY) +
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",cellZ=" + std::to_string(cellZ) + ",nx=" + std::to_string(nx) +
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",ny=" + std::to_string(ny) + ",nz=" + std::to_string(nz) +
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",voxels=" + std::to_string(voxels) +
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",rawB=" + std::to_string(rawBytes) +
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",dataB=" + std::to_string(dataBytes) +
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",ratio=" + std::to_string(ratio) + ",asmMs=" + std::to_string(asmMs) +
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",buildMs=" + std::to_string(buildMs) +
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",writeMs=" + std::to_string(writeMs) +
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",pyrMs=" + std::to_string(pyrMs) + ",peakMB=" + std::to_string(peak));
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return 0;
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}
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int cmdLoad(int argc, char** argv) {
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const Args a = parseArgs(argc, argv, 2);
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if (a.positional.empty()) {
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std::cerr << "用法: gpr_poc load <storeDir>\n";
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return 2;
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}
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const std::string dir = a.positional[0];
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std::cout << "[load] storeDir=" << dir << "\n";
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Stopwatch sw;
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geopro::render::WholeVolumeSource src(dir);
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const double loadMs = sw.elapsedMs();
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const auto& m = src.meta();
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const std::int64_t voxels =
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static_cast<std::int64_t>(m.nx) * m.ny * m.nz;
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const std::int64_t wholeBytes = voxels * 2; // VTK_SHORT
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const double peak = Probe::peakMemMB();
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std::cout << "\n=== load 指标 ===\n";
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std::cout << "加载耗时(ms) : " << loadMs << "\n";
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std::cout << "整卷维度 : " << m.nx << " x " << m.ny << " x " << m.nz
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<< "\n";
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std::cout << "整卷字节(B) : " << wholeBytes << " ("
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<< wholeBytes / (1024.0 * 1024.0) << " MB)\n";
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std::cout << "峰值内存(MB) : " << peak << "\n";
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writeMetricLine("load,dir=" + dir + ",nx=" + std::to_string(m.nx) +
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",ny=" + std::to_string(m.ny) +
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",nz=" + std::to_string(m.nz) +
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",wholeB=" + std::to_string(wholeBytes) +
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",loadMs=" + std::to_string(loadMs) +
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",peakMB=" + std::to_string(peak));
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return 0;
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}
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// ---- selftest：合成极小数据走完整 build→load 管线 ----
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// 写一个极小通道的 .iprb + .iprh（samples 采样、traces 道，值 = base + t + s）。
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void writeSyntheticChannel(const fs::path& iprbPath, int samples, int traces,
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std::int16_t base) {
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const fs::path iprhPath =
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fs::path(iprbPath).replace_extension(".iprh");
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std::ofstream h(iprhPath);
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h << "SAMPLES: " << samples << "\n";
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h << "LAST TRACE: " << (traces - 1) << "\n";
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h << "CHANNELS: 2\n";
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h << "TIMEWINDOW: 100.0\n";
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h << "SOIL VELOCITY: 100.0\n"; // m/µs → ×1e6 → 1e8 m/s
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h << "DISTANCE INTERVAL: 0.05\n";
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h.close();
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std::ofstream b(iprbPath, std::ios::binary);
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// 布局 [trace*samples + s]，s 最快。
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for (int t = 0; t < traces; ++t) {
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for (int s = 0; s < samples; ++s) {
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const std::int16_t v =
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static_cast<std::int16_t>(base + t + s);
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b.write(reinterpret_cast<const char*>(&v), sizeof(v));
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}
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}
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}
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int cmdSelftest() {
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std::cout << "[selftest] 构造极小合成 survey（2 通道）...\n";
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const fs::path tmp =
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fs::temp_directory_path() / "gpr_poc_selftest";
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std::error_code ec;
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fs::remove_all(tmp, ec);
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fs::create_directories(tmp);
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const int samples = 8;
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const int traces = 12;
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// 2 通道 .iprb/.iprh + .ord（末列==1 标记有效通道，第 2 列为横偏 Y）。
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writeSyntheticChannel(tmp / "syn_001_A01.iprb", samples, traces,
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/*base=*/100);
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writeSyntheticChannel(tmp / "syn_001_A02.iprb", samples, traces,
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/*base=*/200);
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{
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std::ofstream ord(tmp / "syn_001.ord");
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ord << "0 0.000000 -1.5 1\n";
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ord << "1 1.000000 -1.5 1\n";
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}
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const std::vector<std::string> iprb = {
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(tmp / "syn_001_A01.iprb").string(),
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(tmp / "syn_001_A02.iprb").string()};
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const std::string ord = (tmp / "syn_001.ord").string();
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bool ok = true;
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auto check = [&](bool cond, const std::string& msg) {
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if (!cond) {
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std::cerr << "[selftest] FAIL: " << msg << "\n";
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ok = false;
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}
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};
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try {
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// 装配
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geopro::core::GprSurvey survey =
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geopro::io::gpr::assembleGprSurvey(iprb, ord);
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check(survey.ntraces == traces, "ntraces");
|
||
check(survey.samples == samples, "samples");
|
||
check(survey.channelY.size() == 2, "channels");
|
||
// channelY 升序：A01 偏移 0.0 在前，A02 偏移 1.0 在后。
|
||
check(survey.channelY.front() < survey.channelY.back(), "channelY 升序");
|
||
|
||
// 建体：cellXY 取通道间距 1.0 → ny=2；cellZ 较细确保 nz>1。
|
||
const double cellXY = 1.0;
|
||
const double cellZ = std::max(survey.dz, 1e-12);
|
||
const geopro::core::GridSpec spec =
|
||
specFromSurvey(survey, cellXY, cellZ);
|
||
std::cout << "[selftest] GridSpec " << spec.nx << "x" << spec.ny << "x"
|
||
<< spec.nz << " dz=" << spec.dz << "\n";
|
||
check(spec.ny == 2, "ny==2");
|
||
|
||
geopro::core::BuiltI16 built =
|
||
geopro::core::buildGprVolume(survey, spec);
|
||
check(built.vol.nx() == spec.nx, "built nx");
|
||
check(built.vol.ny() == spec.ny, "built ny");
|
||
check(built.vol.nz() == spec.nz, "built nz");
|
||
|
||
// 落盘 + 金字塔
|
||
const std::string store = (tmp / "store").string();
|
||
fs::create_directories(store);
|
||
geopro::data::ChunkedVolumeStore::write(store, built, /*brick=*/4);
|
||
{
|
||
geopro::data::ChunkedVolumeStore s(store);
|
||
s.buildPyramid(1);
|
||
check(s.levels() == 2, "金字塔层数==2");
|
||
}
|
||
|
||
// 加载整卷，校验维度一致
|
||
geopro::render::WholeVolumeSource src(store);
|
||
check(src.meta().nx == spec.nx, "load nx");
|
||
check(src.meta().ny == spec.ny, "load ny");
|
||
check(src.meta().nz == spec.nz, "load nz");
|
||
|
||
// 某体素值合理性：x0/y0 角点应有非 blank 量化值（落格命中首道首通道）。
|
||
const std::int16_t q = built.vol.at(0, 0, 0);
|
||
check(q != geopro::core::ScalarVolumeI16::kBlank, "(0,0,0) 非 blank");
|
||
} catch (const std::exception& e) {
|
||
std::cerr << "[selftest] 异常: " << e.what() << "\n";
|
||
ok = false;
|
||
}
|
||
|
||
fs::remove_all(tmp, ec);
|
||
std::cout << "[selftest] " << (ok ? "PASS" : "FAIL") << "\n";
|
||
return ok ? 0 : 1;
|
||
}
|
||
|
||
// ============================================================================
|
||
// 离屏 GPU 渲染基准（POC-B）
|
||
// ============================================================================
|
||
|
||
// 捕获 VTK 错误输出的 OutputWindow：用于侦测体绘制时 vtkVolumeTexture 报的
|
||
// "Invalid texture dimensions" / "MAX_3D_TEXTURE_SIZE" —— 一旦出现，说明整卷
|
||
// 单张 3D 纹理上传失败，体绘制 fps 无意义，必须如实标 INVALID（绝不当真上报）。
|
||
class CapturingOutputWindow : public vtkOutputWindow {
|
||
public:
|
||
static CapturingOutputWindow* New();
|
||
vtkTypeMacro(CapturingOutputWindow, vtkOutputWindow);
|
||
|
||
void DisplayText(const char* txt) override {
|
||
if (txt) {
|
||
const std::string s(txt);
|
||
captured_ += s;
|
||
if (s.find("texture dimensions") != std::string::npos ||
|
||
s.find("MAX_3D_TEXTURE_SIZE") != std::string::npos) {
|
||
textureError_ = true;
|
||
}
|
||
}
|
||
// 仍透传到 stderr，便于人工查看。
|
||
if (txt) std::cerr << txt;
|
||
}
|
||
|
||
bool textureError() const { return textureError_; }
|
||
const std::string& captured() const { return captured_; }
|
||
|
||
private:
|
||
std::string captured_;
|
||
bool textureError_ = false;
|
||
};
|
||
vtkStandardNewMacro(CapturingOutputWindow);
|
||
|
||
// 创建一个离屏 vtkRenderWindow（VTK9.6：SetShowWindow(false)+OffScreenRenderingOn）。
|
||
vtkSmartPointer<vtkRenderWindow> makeOffscreenWindow(int w, int h) {
|
||
auto rw = vtkSmartPointer<vtkRenderWindow>::New();
|
||
rw->SetOffScreenRendering(1);
|
||
rw->SetShowWindow(false);
|
||
rw->SetSize(w, h);
|
||
return rw;
|
||
}
|
||
|
||
// 闸门：最小离屏渲染冒烟。返回 0=OK，非 0=离屏 GL 起不来（BLOCKED_OFFSCREEN）。
|
||
// 流程：离屏窗口 → 加一个 cube actor → Render() → 读回像素，确认非全黑/读得到。
|
||
int cmdOffscreenSmoke() {
|
||
std::cout << "[offscreen-smoke] 创建离屏 vtkRenderWindow...\n";
|
||
try {
|
||
auto rw = makeOffscreenWindow(256, 256);
|
||
|
||
vtkNew<vtkRenderer> ren;
|
||
ren->SetBackground(0.1, 0.1, 0.2);
|
||
rw->AddRenderer(ren);
|
||
|
||
vtkNew<vtkCubeSource> cube;
|
||
cube->SetXLength(1.0);
|
||
cube->SetYLength(1.0);
|
||
cube->SetZLength(1.0);
|
||
|
||
vtkNew<vtkPolyDataMapper> mapper;
|
||
mapper->SetInputConnection(cube->GetOutputPort());
|
||
|
||
vtkNew<vtkActor> actor;
|
||
actor->SetMapper(mapper);
|
||
actor->GetProperty()->SetColor(1.0, 0.6, 0.2);
|
||
ren->AddActor(actor);
|
||
ren->ResetCamera();
|
||
|
||
// Render()：若 GL 上下文创建失败，VTK 会输出错误（多数返回，少数抛）。
|
||
rw->Render();
|
||
|
||
// 读回像素验证：取整窗 RGB，确认能读到且非全 0。
|
||
const int* sz = rw->GetSize();
|
||
const int w = sz[0], h = sz[1];
|
||
if (w <= 0 || h <= 0) {
|
||
std::cout << "[offscreen-smoke] FAIL: 窗口尺寸为 0（上下文未建立）\n";
|
||
std::cout << "STATUS=BLOCKED_OFFSCREEN\n";
|
||
return 1;
|
||
}
|
||
|
||
auto pixels = vtkSmartPointer<vtkUnsignedCharArray>::New();
|
||
// GetRGBACharPixelData(x0,y0,x1,y1,front,arr)：front=1 读前缓冲。
|
||
const int ok =
|
||
rw->GetRGBACharPixelData(0, 0, w - 1, h - 1, /*front=*/1, pixels);
|
||
if (ok == 0 || pixels->GetNumberOfTuples() == 0) {
|
||
std::cout << "[offscreen-smoke] FAIL: 读不到像素\n";
|
||
std::cout << "STATUS=BLOCKED_OFFSCREEN\n";
|
||
return 1;
|
||
}
|
||
|
||
// 统计非背景像素（cube 应渲出橙色，存在像素 R 通道明显高于背景）。
|
||
vtkIdType nonBlack = 0;
|
||
const vtkIdType n = pixels->GetNumberOfTuples();
|
||
for (vtkIdType i = 0; i < n; ++i) {
|
||
const double r = pixels->GetComponent(i, 0);
|
||
const double g = pixels->GetComponent(i, 1);
|
||
const double b = pixels->GetComponent(i, 2);
|
||
if (r > 80 || g > 80 || b > 80) ++nonBlack;
|
||
}
|
||
|
||
const char* caps = rw->ReportCapabilities();
|
||
std::cout << "[offscreen-smoke] 读回像素 " << n << " 个，非背景像素 "
|
||
<< nonBlack << "\n";
|
||
std::cout << "[offscreen-smoke] GL 能力:\n"
|
||
<< (caps ? caps : "(无)") << "\n";
|
||
|
||
if (nonBlack == 0) {
|
||
std::cout << "[offscreen-smoke] FAIL: 渲染结果全为背景（actor 未画出）\n";
|
||
std::cout << "STATUS=BLOCKED_OFFSCREEN\n";
|
||
return 1;
|
||
}
|
||
|
||
std::cout << "[offscreen-smoke] OK：离屏 GL 可用，可继续真实基准。\n";
|
||
std::cout << "STATUS=OK\n";
|
||
return 0;
|
||
} catch (const std::exception& e) {
|
||
std::cout << "[offscreen-smoke] FAIL: 异常 " << e.what() << "\n";
|
||
std::cout << "STATUS=BLOCKED_OFFSCREEN\n";
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
// 体绘制 fps：每帧绕 azimuth 旋相机再 Render()，避免被驱动优化成空渲染。
|
||
double benchVolumeFps(vtkRenderWindow* rw, vtkRenderer* ren, int frames) {
|
||
ren->ResetCamera();
|
||
vtkCamera* cam = ren->GetActiveCamera();
|
||
rw->Render(); // 预热一帧（首帧含上传显存/编译 shader，不计时）
|
||
Stopwatch sw;
|
||
for (int f = 0; f < frames; ++f) {
|
||
cam->Azimuth(360.0 / frames); // 每帧转一点，扫满一圈
|
||
rw->Render();
|
||
}
|
||
const double ms = sw.elapsedMs();
|
||
return ms > 0.0 ? frames * 1000.0 / ms : 0.0;
|
||
}
|
||
|
||
// 切片扫描 fps：沿 K 轴(深度)逐偏移 reslice 取轴向切面 + 纹理渲染，每帧推进偏移。
|
||
double benchSliceFps(vtkRenderWindow* rw, vtkRenderer* ren,
|
||
vtkImageData* full, vtkLookupTable* lut, int frames) {
|
||
// reslice：固定轴向(XY 平面)，沿 Z 改变 ResliceAxesOrigin 扫过整卷。
|
||
vtkNew<vtkImageReslice> reslice;
|
||
reslice->SetInputData(full);
|
||
reslice->SetOutputDimensionality(2);
|
||
reslice->SetInterpolationModeToLinear();
|
||
|
||
vtkNew<vtkImageMapToColors> colorize;
|
||
colorize->SetLookupTable(lut);
|
||
colorize->SetInputConnection(reslice->GetOutputPort());
|
||
|
||
vtkNew<vtkImageActor> imgActor;
|
||
imgActor->GetMapper()->SetInputConnection(colorize->GetOutputPort());
|
||
ren->AddViewProp(imgActor);
|
||
ren->ResetCamera();
|
||
|
||
double bounds[6];
|
||
full->GetBounds(bounds);
|
||
const double zMin = bounds[4], zMax = bounds[5];
|
||
const double ox = 0.5 * (bounds[0] + bounds[1]);
|
||
const double oy = 0.5 * (bounds[2] + bounds[3]);
|
||
|
||
rw->Render(); // 预热
|
||
Stopwatch sw;
|
||
for (int f = 0; f < frames; ++f) {
|
||
const double t = static_cast<double>(f) / std::max(1, frames - 1);
|
||
const double z = zMin + (zMax - zMin) * t;
|
||
reslice->SetResliceAxesOrigin(ox, oy, z);
|
||
reslice->Modified();
|
||
rw->Render();
|
||
}
|
||
const double ms = sw.elapsedMs();
|
||
return ms > 0.0 ? frames * 1000.0 / ms : 0.0;
|
||
}
|
||
|
||
// 由 ColorScale 物理区间建 256 级 VTK LUT（切片纹理着色用，与体绘制色阶同源）。
|
||
vtkSmartPointer<vtkLookupTable> makeLut(const geopro::core::ColorScale& cs,
|
||
double vmin, double vmax) {
|
||
auto lut = vtkSmartPointer<vtkLookupTable>::New();
|
||
const int n = 256;
|
||
lut->SetNumberOfTableValues(n);
|
||
lut->SetRange(vmin, vmax);
|
||
for (int i = 0; i < n; ++i) {
|
||
const double v = vmin + (vmax - vmin) * i / (n - 1);
|
||
const auto c = cs.colorAt(v);
|
||
lut->SetTableValue(i, c.r / 255.0, c.g / 255.0, c.b / 255.0, 1.0);
|
||
}
|
||
lut->Build();
|
||
return lut;
|
||
}
|
||
|
||
// 简单蓝-白-红色阶（与 test_color_scale 同款最简构造）。
|
||
geopro::core::ColorScale makeColorScale(double vmin, double vmax) {
|
||
geopro::core::ColorScale cs;
|
||
const double mid = 0.5 * (vmin + vmax);
|
||
cs.addStop(vmin, geopro::core::Rgba{0, 0, 255, 255});
|
||
cs.addStop(mid, geopro::core::Rgba{255, 255, 255, 255});
|
||
cs.addStop(vmax, geopro::core::Rgba{255, 0, 0, 255});
|
||
return cs;
|
||
}
|
||
|
||
// ============================================================================
|
||
// 视觉调优共享构件（Task 12d ①）
|
||
// ============================================================================
|
||
//
|
||
// 结构化配色：地震/雷达体常用的「结构色阶」——深蓝(强负)→青→白(零)→黄→红(强正)，
|
||
// 比单纯蓝-白-红更易拉开正负反射层次。值域用数据 vmin/vmax，无需手调控制点。
|
||
geopro::core::ColorScale makeStructuralColorScale(double vmin, double vmax) {
|
||
geopro::core::ColorScale cs;
|
||
const double span = (vmax > vmin) ? (vmax - vmin) : 1.0;
|
||
auto at = [&](double t) { return vmin + span * t; };
|
||
cs.addStop(at(0.00), geopro::core::Rgba{0, 0, 140, 255}); // 深蓝
|
||
cs.addStop(at(0.25), geopro::core::Rgba{0, 160, 220, 255}); // 青
|
||
cs.addStop(at(0.50), geopro::core::Rgba{245, 245, 245, 255}); // 白(零附近)
|
||
cs.addStop(at(0.75), geopro::core::Rgba{250, 190, 30, 255}); // 黄
|
||
cs.addStop(at(1.00), geopro::core::Rgba{170, 0, 0, 255}); // 暗红
|
||
return cs;
|
||
}
|
||
|
||
// 参数化量化域传函：与 makeI16VolumeProperty 同逻辑，但 kMaxOpacity 可由 --opacity 控。
|
||
// 不透明度调高时光线提前终止，fps 近乎中性甚至更快（探针认知，报告打印前后对照证实）。
|
||
vtkSmartPointer<vtkVolumeProperty> makeTunedVolumeProperty(
|
||
const geopro::core::Quant& q, const geopro::core::ColorScale& cs,
|
||
double vminPhys, double vmaxPhys, double maxOpacity,
|
||
bool structuralOpacity = true) {
|
||
constexpr int kTransferSamples = 64;
|
||
if (vminPhys >= vmaxPhys) vmaxPhys = vminPhys + 1.0;
|
||
const double qminD = static_cast<double>(q.toQ(vminPhys));
|
||
const double qmaxD = static_cast<double>(q.toQ(vmaxPhys));
|
||
|
||
vtkNew<vtkColorTransferFunction> color;
|
||
for (int t = 0; t < kTransferSamples; ++t) {
|
||
const double qd = qminD + (qmaxD - qminD) * t / (kTransferSamples - 1);
|
||
const auto qvLevel = static_cast<std::int16_t>(std::lround(qd));
|
||
const double phys = q.toPhys(qvLevel);
|
||
const auto c = cs.colorAt(phys);
|
||
color->AddRGBPoint(qd, c.r / 255.0, c.g / 255.0, c.b / 255.0);
|
||
}
|
||
|
||
// 不透明度：
|
||
// - 原始(structuralOpacity=false)：线性单斜坡 [qmin,qmax]→[0,maxOpacity]，
|
||
// 与 VoxelActor 默认一致，作调优前对照基线。
|
||
// - 调优(structuralOpacity=true)：双端斜坡。GPR/地震体值多集中在零附近(背景)，
|
||
// 强反射在正负两端；线性单斜坡会让占多数的近零背景填满体、遮住结构。改为
|
||
// 「中段(零附近)透明 + 正负两端不透明」——抑制背景、凸显强反射层，截面结构才看得出。
|
||
vtkNew<vtkPiecewiseFunction> opacity;
|
||
opacity->AddPoint(
|
||
static_cast<double>(geopro::core::ScalarVolumeI16::kBlank), 0.0);
|
||
if (structuralOpacity) {
|
||
const double qmid = 0.5 * (qminD + qmaxD);
|
||
const double half = 0.5 * (qmaxD - qminD);
|
||
opacity->AddPoint(qminD, maxOpacity); // 强负反射：不透明
|
||
opacity->AddPoint(qmid - 0.30 * half, 0.0); // 近零背景：透明
|
||
opacity->AddPoint(qmid + 0.30 * half, 0.0);
|
||
opacity->AddPoint(qmaxD, maxOpacity); // 强正反射：不透明
|
||
} else {
|
||
opacity->AddPoint(qminD, 0.0);
|
||
opacity->AddPoint(qmaxD, maxOpacity);
|
||
}
|
||
|
||
auto prop = vtkSmartPointer<vtkVolumeProperty>::New();
|
||
prop->SetColor(color);
|
||
prop->SetScalarOpacity(opacity);
|
||
prop->SetInterpolationTypeToLinear();
|
||
prop->ShadeOff();
|
||
return prop;
|
||
}
|
||
|
||
// 由预构建 VTK_SHORT 图像建一个「视觉调优」体：自定义不透明度 + 垂向夸张。
|
||
// 垂向夸张用 vtkVolume::SetScale(1, exagg, exagg) 缩放跨通道(Y)与深度(Z)两薄轴，
|
||
// 不改图像数据；体物理极扁(X≈2.2km vs Y≈1.5m/Z≈8m)，放大薄轴截面结构才看得出。
|
||
vtkSmartPointer<vtkVolume> buildTunedVolume(vtkImageData* shortImg,
|
||
const geopro::core::Quant& q,
|
||
const geopro::core::ColorScale& cs,
|
||
double vminPhys, double vmaxPhys,
|
||
double maxOpacity, double exagg,
|
||
bool structuralOpacity = true) {
|
||
vtkNew<vtkSmartVolumeMapper> mapper;
|
||
mapper->SetInputData(shortImg);
|
||
mapper->SetRequestedRenderMode(vtkSmartVolumeMapper::GPURenderMode);
|
||
mapper->SetAutoAdjustSampleDistances(0);
|
||
mapper->SetInteractiveAdjustSampleDistances(0);
|
||
|
||
auto prop = makeTunedVolumeProperty(q, cs, vminPhys, vmaxPhys, maxOpacity,
|
||
structuralOpacity);
|
||
|
||
auto volume = vtkSmartPointer<vtkVolume>::New();
|
||
volume->SetMapper(mapper);
|
||
volume->SetProperty(prop);
|
||
volume->SetScale(1.0, exagg, exagg); // 垂向夸张：放大 Y/Z 薄轴
|
||
return volume;
|
||
}
|
||
|
||
int cmdRenderB(int argc, char** argv) {
|
||
const Args a = parseArgs(argc, argv, 2);
|
||
if (a.positional.empty()) {
|
||
std::cerr << "用法: gpr_poc renderB <storeDir> [--frames 120]\n";
|
||
return 2;
|
||
}
|
||
const std::string dir = a.positional[0];
|
||
const int frames = std::stoi(a.get("frames", "120"));
|
||
std::cout << "[renderB] storeDir=" << dir << " frames=" << frames << "\n";
|
||
|
||
// 闸门复检：renderB 前先确认离屏可用（避免在不可渲染机上跑出假数据）。
|
||
std::cout << "[renderB] 离屏闸门复检...\n";
|
||
if (cmdOffscreenSmoke() != 0) {
|
||
std::cout << "[renderB] 闸门失败，中止，不产出 fps。\n";
|
||
return 1;
|
||
}
|
||
|
||
// 1) 加载整卷（VTK_SHORT）。
|
||
Stopwatch swLoad;
|
||
geopro::render::WholeVolumeSource src(dir);
|
||
const double loadMs = swLoad.elapsedMs();
|
||
const auto& m = src.meta();
|
||
|
||
const std::int64_t voxels =
|
||
static_cast<std::int64_t>(m.nx) * m.ny * m.nz;
|
||
const std::int64_t wholeBytes = voxels * 2; // VTK_SHORT
|
||
std::cout << "[renderB] 整卷 " << m.nx << "x" << m.ny << "x" << m.nz
|
||
<< " 体素=" << voxels << " 字节=" << wholeBytes << " ("
|
||
<< wholeBytes / (1024.0 * 1024.0) << " MB)，加载 " << loadMs
|
||
<< "ms\n";
|
||
|
||
auto images = src.currentImages();
|
||
if (images.empty() || !images.front()) {
|
||
std::cerr << "[renderB] 错误: currentImages 为空\n";
|
||
return 1;
|
||
}
|
||
vtkImageData* shortImg = images.front().Get();
|
||
|
||
// 色阶用 meta 的物理区间。
|
||
const double vmin = m.vminPhys, vmax = m.vmaxPhys;
|
||
const geopro::core::ColorScale cs = makeColorScale(vmin, vmax);
|
||
|
||
// 2) 体绘制（离屏）。
|
||
auto rw = makeOffscreenWindow(1024, 768);
|
||
vtkNew<vtkRenderer> ren;
|
||
ren->SetBackground(0.0, 0.0, 0.0);
|
||
rw->AddRenderer(ren);
|
||
|
||
vtkSmartPointer<vtkVolume> volume =
|
||
geopro::render::buildVoxelI16FromImage(shortImg, m.quant, cs, vmin, vmax);
|
||
ren->AddVolume(volume);
|
||
|
||
// 装上捕获式 OutputWindow：拦截体绘制时的 3D 纹理维度错误。
|
||
auto capWin = vtkSmartPointer<CapturingOutputWindow>::New();
|
||
vtkOutputWindow::SetInstance(capWin);
|
||
|
||
std::cout << "[renderB] 体绘制基准（" << frames << " 帧旋转相机）...\n";
|
||
const double volFpsRaw = benchVolumeFps(rw, ren, frames);
|
||
|
||
const bool textureErr = capWin->textureError();
|
||
vtkOutputWindow::SetInstance(nullptr); // 还原默认输出窗口
|
||
|
||
// 进显存判据：SmartVolumeMapper 实际用的渲染模式（2=GPURenderMode）。
|
||
int renderMode = -1;
|
||
bool lowResResample = false;
|
||
if (auto* svm =
|
||
vtkSmartVolumeMapper::SafeDownCast(volume->GetMapper())) {
|
||
renderMode = svm->GetLastUsedRenderMode();
|
||
// 大体可能触发降质重采样（GPU 显存不足时 SmartVolumeMapper 走低分辨率）。
|
||
lowResResample = (svm->GetInteractiveAdjustSampleDistances() == 0 &&
|
||
renderMode != vtkSmartVolumeMapper::GPURenderMode);
|
||
}
|
||
const bool onGpu = (renderMode == vtkSmartVolumeMapper::GPURenderMode);
|
||
|
||
// 任一维度超过 GL_MAX_3D_TEXTURE_SIZE（本机实测 16384）→ 整卷无法成单张 3D 纹理。
|
||
constexpr int kMax3DTexObserved = 16384;
|
||
const bool dimOversize =
|
||
(m.nx > kMax3DTexObserved || m.ny > kMax3DTexObserved ||
|
||
m.nz > kMax3DTexObserved);
|
||
// 体绘制 fps 是否可信：上传成功（无纹理错误且未超限）才算真实整卷体绘制帧率。
|
||
const bool volFpsValid = !textureErr && !dimOversize;
|
||
const double volFps = volFpsValid ? volFpsRaw : -1.0;
|
||
|
||
std::cout << "[renderB] 体绘制 raw_fps=" << volFpsRaw
|
||
<< " 渲染模式=" << renderMode << (onGpu ? "(GPU)" : "(非GPU)")
|
||
<< " 纹理维度错误=" << (textureErr ? "是" : "否")
|
||
<< " 超 16384=" << (dimOversize ? "是" : "否") << "\n";
|
||
if (!volFpsValid) {
|
||
std::cout << "[renderB] 警告: 整卷未能成单张 3D 纹理（X=" << m.nx
|
||
<< " > " << kMax3DTexObserved
|
||
<< "），体绘制 fps 无意义 → 标 INVALID。\n";
|
||
}
|
||
|
||
// 3) 切片扫描（离屏，沿 Z 扫整卷）。
|
||
vtkNew<vtkRenderer> ren2;
|
||
ren2->SetBackground(0.0, 0.0, 0.0);
|
||
auto rw2 = makeOffscreenWindow(1024, 768);
|
||
rw2->AddRenderer(ren2);
|
||
vtkSmartPointer<vtkLookupTable> lut = makeLut(cs, vmin, vmax);
|
||
|
||
std::cout << "[renderB] 切片扫描基准（" << frames << " 帧沿 Z 推进）...\n";
|
||
const double sliceFps =
|
||
benchSliceFps(rw2, ren2, src.sliceSource(), lut, frames);
|
||
std::cout << "[renderB] 切片 fps=" << sliceFps << "\n";
|
||
|
||
const double peak = Probe::peakMemMB();
|
||
const std::string vram = "N/A"; // VTK 安装未带 GLEW 头，无法直查 NVX 显存
|
||
|
||
// 4) 汇总打印。
|
||
const std::string volFpsStr =
|
||
volFpsValid ? std::to_string(volFps) : "INVALID(整卷超 3D 纹理上限)";
|
||
|
||
std::cout << "\n=== renderB GPU 指标 ===\n";
|
||
std::cout << "离屏闸门 : OK\n";
|
||
std::cout << "体维度 : " << m.nx << " x " << m.ny << " x " << m.nz
|
||
<< "\n";
|
||
std::cout << "体素数 : " << voxels << "\n";
|
||
std::cout << "整卷字节(B) : " << wholeBytes << " ("
|
||
<< wholeBytes / (1024.0 * 1024.0) << " MB)\n";
|
||
std::cout << "体绘制 fps : " << volFpsStr << "\n";
|
||
if (!volFpsValid) {
|
||
std::cout << " (raw_fps=" << volFpsRaw
|
||
<< " 为空纹理渲染，X=" << m.nx << " > 16384，不可信)\n";
|
||
}
|
||
std::cout << "切片扫描 fps : " << sliceFps << " (2D 纹理，无 3D 上限约束)\n";
|
||
std::cout << "渲染模式 : " << renderMode
|
||
<< (onGpu ? " (GPU 路径)" : " (非 GPU)") << "\n";
|
||
std::cout << "整卷进显存 : "
|
||
<< (volFpsValid && onGpu ? "是（单张 3D 纹理）"
|
||
: "否（超 GL_MAX_3D_TEXTURE_SIZE 16384）")
|
||
<< "\n";
|
||
std::cout << "降质重采样 : " << (lowResResample ? "是" : "否") << "\n";
|
||
std::cout << "GPU 显存 : " << vram << "\n";
|
||
std::cout << "进程峰值内存(MB): " << peak << "\n";
|
||
|
||
writeMetricLine(
|
||
"renderB,dir=" + dir + ",nx=" + std::to_string(m.nx) +
|
||
",ny=" + std::to_string(m.ny) + ",nz=" + std::to_string(m.nz) +
|
||
",voxels=" + std::to_string(voxels) +
|
||
",wholeB=" + std::to_string(wholeBytes) +
|
||
",volFps=" + volFpsStr +
|
||
",volFpsRaw=" + std::to_string(volFpsRaw) +
|
||
",volFpsValid=" + std::to_string(volFpsValid ? 1 : 0) +
|
||
",sliceFps=" + std::to_string(sliceFps) +
|
||
",renderMode=" + std::to_string(renderMode) +
|
||
",onGpu=" + std::to_string(onGpu ? 1 : 0) +
|
||
",loadMs=" + std::to_string(loadMs) +
|
||
",peakMB=" + std::to_string(peak));
|
||
return 0;
|
||
}
|
||
|
||
// ============================================================================
|
||
// 核外分块体绘制基准（POC-C，命门探针）
|
||
// ============================================================================
|
||
|
||
// 量化域传函(与 VoxelActor::buildVoxelI16FromImage 同逻辑):颜色对每量化级 qv 用
|
||
// q.toPhys(qv) 反查 ColorScale;不透明度 kBlank→0、[qmin,qmax] 线性到 kMaxOpacity。
|
||
// MultiBlock 全块共用同一 vtkVolumeProperty(挂在单个 vtkVolume 上)。
|
||
vtkSmartPointer<vtkVolumeProperty> makeI16VolumeProperty(
|
||
const geopro::core::Quant& q, const geopro::core::ColorScale& cs,
|
||
double vminPhys, double vmaxPhys) {
|
||
constexpr int kTransferSamples = 64;
|
||
constexpr double kMaxOpacity = 0.15;
|
||
if (vminPhys >= vmaxPhys) vmaxPhys = vminPhys + 1.0;
|
||
|
||
const double qminD = static_cast<double>(q.toQ(vminPhys));
|
||
const double qmaxD = static_cast<double>(q.toQ(vmaxPhys));
|
||
|
||
vtkNew<vtkColorTransferFunction> color;
|
||
for (int t = 0; t < kTransferSamples; ++t) {
|
||
const double qd = qminD + (qmaxD - qminD) * t / (kTransferSamples - 1);
|
||
const auto qvLevel = static_cast<std::int16_t>(std::lround(qd));
|
||
const double phys = q.toPhys(qvLevel);
|
||
const auto c = cs.colorAt(phys);
|
||
color->AddRGBPoint(qd, c.r / 255.0, c.g / 255.0, c.b / 255.0);
|
||
}
|
||
|
||
vtkNew<vtkPiecewiseFunction> opacity;
|
||
opacity->AddPoint(
|
||
static_cast<double>(geopro::core::ScalarVolumeI16::kBlank), 0.0);
|
||
opacity->AddPoint(qminD, 0.0);
|
||
opacity->AddPoint(qmaxD, kMaxOpacity);
|
||
|
||
auto prop = vtkSmartPointer<vtkVolumeProperty>::New();
|
||
prop->SetColor(color);
|
||
prop->SetScalarOpacity(opacity);
|
||
prop->SetInterpolationTypeToLinear();
|
||
prop->ShadeOff();
|
||
return prop;
|
||
}
|
||
|
||
// 由当前工作集图像组装 vtkMultiBlockDataSet(每块一个 vtkImageData)。
|
||
vtkSmartPointer<vtkMultiBlockDataSet> makeMultiBlock(
|
||
const std::vector<vtkSmartPointer<vtkImageData>>& imgs) {
|
||
auto mb = vtkSmartPointer<vtkMultiBlockDataSet>::New();
|
||
mb->SetNumberOfBlocks(static_cast<unsigned int>(imgs.size()));
|
||
for (unsigned int i = 0; i < imgs.size(); ++i) {
|
||
mb->SetBlock(i, imgs[i].Get());
|
||
}
|
||
return mb;
|
||
}
|
||
|
||
int cmdRenderC(int argc, char** argv) {
|
||
const Args a = parseArgs(argc, argv, 2);
|
||
if (a.positional.empty()) {
|
||
std::cerr << "用法: gpr_poc renderC <storeDir> [--budget 64] [--frames 120]\n";
|
||
return 2;
|
||
}
|
||
const std::string dir = a.positional[0];
|
||
const std::size_t budget =
|
||
static_cast<std::size_t>(std::stoul(a.get("budget", "64")));
|
||
const int frames = std::stoi(a.get("frames", "120"));
|
||
std::cout << "[renderC] storeDir=" << dir << " budget=" << budget
|
||
<< " frames=" << frames << "\n";
|
||
|
||
// 闸门复检:不可渲染机不产假 fps。
|
||
std::cout << "[renderC] 离屏闸门复检...\n";
|
||
if (cmdOffscreenSmoke() != 0) {
|
||
std::cout << "[renderC] 闸门失败,中止,不产出 fps。\n";
|
||
return 1;
|
||
}
|
||
|
||
// 1) 核外源(读 meta + 建 pager,不载整卷)。
|
||
Stopwatch swLoad;
|
||
geopro::render::OutOfCoreSource src(dir, budget);
|
||
const double loadMs = swLoad.elapsedMs();
|
||
const auto& m = src.meta();
|
||
const std::int64_t voxels =
|
||
static_cast<std::int64_t>(m.nx) * m.ny * m.nz;
|
||
|
||
const int winW = 1024, winH = 768;
|
||
src.setAspect(static_cast<double>(winW) / winH);
|
||
|
||
std::cout << "[renderC] 体 " << m.nx << "x" << m.ny << "x" << m.nz
|
||
<< " 体素=" << voxels << " (整卷 X=" << m.nx
|
||
<< " > 16384 → renderB INVALID)，源构造 " << loadMs << "ms\n";
|
||
|
||
// 色阶用 meta 物理区间。
|
||
const double vmin = m.vminPhys, vmax = m.vmaxPhys;
|
||
const geopro::core::ColorScale cs = makeColorScale(vmin, vmax);
|
||
vtkSmartPointer<vtkVolumeProperty> prop =
|
||
makeI16VolumeProperty(m.quant, cs, vmin, vmax);
|
||
|
||
// 2) 离屏 + MultiBlock 体绘制。
|
||
auto rw = makeOffscreenWindow(winW, winH);
|
||
vtkNew<vtkRenderer> ren;
|
||
ren->SetBackground(0.0, 0.0, 0.0);
|
||
rw->AddRenderer(ren);
|
||
|
||
vtkNew<vtkMultiBlockVolumeMapper> mapper;
|
||
mapper->SetRequestedRenderMode(vtkSmartVolumeMapper::GPURenderMode);
|
||
|
||
auto volume = vtkSmartPointer<vtkVolume>::New();
|
||
volume->SetMapper(mapper);
|
||
volume->SetProperty(prop);
|
||
ren->AddVolume(volume);
|
||
|
||
// 装捕获式 OutputWindow:拦截每块上传时的 3D 纹理维度错误(应无,因块 ≤64³)。
|
||
auto capWin = vtkSmartPointer<CapturingOutputWindow>::New();
|
||
vtkOutputWindow::SetInstance(capWin);
|
||
|
||
// 相机:先以全体定向(看整卷),首帧 update 选出工作集后再 ResetCamera 到
|
||
// 实际驻留块的 mapper 包围盒(budget<视野总块时工作集只覆盖体的一部分,框住它
|
||
// 才能确证核外体绘制真渲出;这是 budget 受限下的诚实测法,报告说明)。
|
||
ren->ResetCamera(m.origin[0], m.origin[0] + m.nx * m.spacing[0],
|
||
m.origin[1], m.origin[1] + m.ny * m.spacing[1],
|
||
m.origin[2], m.origin[2] + m.nz * m.spacing[2]);
|
||
vtkCamera* cam = ren->GetActiveCamera();
|
||
|
||
auto refreshBlocks = [&]() {
|
||
src.update(cam);
|
||
auto imgs = src.currentImages();
|
||
auto mb = makeMultiBlock(imgs);
|
||
mapper->SetInputDataObject(mb);
|
||
mapper->Update();
|
||
return imgs.size();
|
||
};
|
||
|
||
const std::size_t warmBlocks = refreshBlocks();
|
||
// 用工作集(mapper)实际包围盒重置相机,框住驻留块。
|
||
{
|
||
double b[6];
|
||
mapper->GetBounds(b);
|
||
if (b[0] <= b[1]) {
|
||
ren->ResetCamera(b);
|
||
} else {
|
||
ren->ResetCamera();
|
||
}
|
||
}
|
||
rw->Render(); // 预热(上传显存 + 编译 shader,不计时)
|
||
|
||
{
|
||
double b[6];
|
||
mapper->GetBounds(b);
|
||
std::cout << "[renderC] 工作集包围盒 x[" << b[0] << "," << b[1] << "] y["
|
||
<< b[2] << "," << b[3] << "] z[" << b[4] << "," << b[5] << "]\n";
|
||
}
|
||
|
||
std::cout << "[renderC] 预热:level=" << src.lastLevel()
|
||
<< " 视野块=" << src.lastVisibleCount() << "/"
|
||
<< src.lastLevelBrickTotal()
|
||
<< " 驻留=" << src.residentCount() << " 渲染块=" << warmBlocks
|
||
<< "\n";
|
||
|
||
std::size_t maxResident = src.residentCount();
|
||
std::size_t sumBlocks = 0;
|
||
|
||
// 3a) 静态工作集体绘制 fps:工作集固定(不每帧换块),只旋相机 + Render。
|
||
// 隔离"纯 GPU MultiBlock 体绘制"成本(剔除分块换页/解压/重建 mapper 开销),
|
||
// 直接对照 renderB 整卷 fps,回答未知 #6(真实体绘制 fps)。
|
||
std::cout << "[renderC] 静态工作集体绘制基准(" << frames << " 帧旋相机)...\n";
|
||
Stopwatch swStatic;
|
||
for (int f = 0; f < frames; ++f) {
|
||
cam->Azimuth(360.0 / frames);
|
||
rw->Render(); // 工作集不变,仅旋转
|
||
}
|
||
const double staticMs = swStatic.elapsedMs();
|
||
const double staticFps = staticMs > 0 ? frames * 1000.0 / staticMs : 0.0;
|
||
std::cout << "[renderC] 静态工作集 fps=" << staticFps << "\n";
|
||
|
||
// 3b) 动态换页体绘制 fps:每帧 update(cam)(重选 LOD/视野块,含 qUncompress 解压
|
||
// 换入的块 + 重建 MultiBlock)+ Render。回答未知 #4(热路径解压是否拖垮 fps)
|
||
// 与 #5(内存恒定)。同时累计 update 耗时占比。
|
||
std::cout << "[renderC] 动态换页体绘制基准(" << frames << " 帧旋相机)...\n";
|
||
double updateMsTotal = 0.0;
|
||
Stopwatch swDyn;
|
||
for (int f = 0; f < frames; ++f) {
|
||
cam->Azimuth(360.0 / frames);
|
||
Stopwatch swU;
|
||
const std::size_t blocks = refreshBlocks(); // update + 重建 MultiBlock
|
||
updateMsTotal += swU.elapsedMs();
|
||
sumBlocks += blocks;
|
||
maxResident = std::max(maxResident, src.residentCount());
|
||
rw->Render();
|
||
}
|
||
const double dynMs = swDyn.elapsedMs();
|
||
const double dynFps = dynMs > 0 ? frames * 1000.0 / dynMs : 0.0;
|
||
const double rawFps = dynFps; // 主报告口径:含换页的真实交互 fps
|
||
std::cout << "[renderC] 动态换页 fps=" << dynFps
|
||
<< " (其中 update/换页/重建 平均 " << (updateMsTotal / frames)
|
||
<< " ms/帧)\n";
|
||
|
||
const bool textureErr = capWin->textureError();
|
||
vtkOutputWindow::SetInstance(nullptr);
|
||
|
||
// 4) 正确性判据:渲出非空像素(非全背景)。
|
||
auto pixels = vtkSmartPointer<vtkUnsignedCharArray>::New();
|
||
rw->GetRGBACharPixelData(0, 0, winW - 1, winH - 1, /*front=*/1, pixels);
|
||
vtkIdType nonBlack = 0;
|
||
const vtkIdType npx = pixels->GetNumberOfTuples();
|
||
for (vtkIdType i = 0; i < npx; ++i) {
|
||
if (pixels->GetComponent(i, 0) > 10 || pixels->GetComponent(i, 1) > 10 ||
|
||
pixels->GetComponent(i, 2) > 10) {
|
||
++nonBlack;
|
||
}
|
||
}
|
||
const bool renderedNonEmpty = (nonBlack > 0);
|
||
|
||
// 渲染模式(MultiBlock 内部每块一个 SmartVolumeMapper;此处取一块代表性查询)。
|
||
// MultiBlock 不直接暴露 LastUsedRenderMode,故以纹理无错 + 非空像素为体绘制真出证据。
|
||
const bool volFpsValid = !textureErr && renderedNonEmpty;
|
||
|
||
const double peak = Probe::peakMemMB();
|
||
const double avgBlocks =
|
||
frames > 0 ? static_cast<double>(sumBlocks) / frames : 0.0;
|
||
|
||
std::cout << "\n=== renderC 核外体绘制指标 ===\n";
|
||
std::cout << "离屏闸门 : OK\n";
|
||
std::cout << "体维度 : " << m.nx << " x " << m.ny << " x " << m.nz
|
||
<< " (整卷 X 超 16384,renderB=INVALID)\n";
|
||
std::cout << "体素数 : " << voxels << "\n";
|
||
std::cout << "budget(块) : " << budget << "\n";
|
||
std::cout << "峰值驻留(块) : " << maxResident
|
||
<< (maxResident <= budget ? " (≤budget,内存恒定 OK)"
|
||
: " (!! 超 budget)")
|
||
<< "\n";
|
||
std::cout << "末帧 level : " << src.lastLevel() << "\n";
|
||
std::cout << "末帧视野块/总块 : " << src.lastVisibleCount() << " / "
|
||
<< src.lastLevelBrickTotal() << "\n";
|
||
std::cout << "平均渲染块/帧 : " << avgBlocks << "\n";
|
||
std::cout << "纹理维度错误 : " << (textureErr ? "是(!!)" : "否") << "\n";
|
||
std::cout << "渲出非空像素 : " << (renderedNonEmpty ? "是" : "否(!!)")
|
||
<< " (非背景像素=" << nonBlack << ")\n";
|
||
std::cout << "静态工作集 fps : "
|
||
<< (volFpsValid ? std::to_string(staticFps)
|
||
: std::string("INVALID(纹理错或空渲染)"))
|
||
<< " (纯 GPU MultiBlock 体绘制)\n";
|
||
std::cout << "动态换页 fps : "
|
||
<< (volFpsValid ? std::to_string(dynFps)
|
||
: std::string("INVALID(纹理错或空渲染)"))
|
||
<< " (含每帧 update/解压/重建 mapper)\n";
|
||
std::cout << " 换页均耗时/帧 : " << (updateMsTotal / frames) << " ms\n";
|
||
std::cout << "进程峰值内存(MB) : " << peak << "\n";
|
||
std::cout << "源构造耗时(ms) : " << loadMs << "\n";
|
||
std::cout << "对照 renderB : 整卷 INVALID(超 3D 纹理上限);renderC "
|
||
<< (volFpsValid ? "真渲出 ✔" : "未渲出 ✘") << "\n";
|
||
|
||
writeMetricLine(
|
||
"renderC,dir=" + dir + ",nx=" + std::to_string(m.nx) +
|
||
",ny=" + std::to_string(m.ny) + ",nz=" + std::to_string(m.nz) +
|
||
",voxels=" + std::to_string(voxels) +
|
||
",budget=" + std::to_string(budget) +
|
||
",maxResident=" + std::to_string(maxResident) +
|
||
",lastLevel=" + std::to_string(src.lastLevel()) +
|
||
",lastVisible=" + std::to_string(src.lastVisibleCount()) +
|
||
",lastLevelTotal=" + std::to_string(src.lastLevelBrickTotal()) +
|
||
",avgBlocks=" + std::to_string(avgBlocks) +
|
||
",textureErr=" + std::to_string(textureErr ? 1 : 0) +
|
||
",nonBlack=" + std::to_string(nonBlack) +
|
||
",volFpsValid=" + std::to_string(volFpsValid ? 1 : 0) +
|
||
",staticFps=" + (volFpsValid ? std::to_string(staticFps) : "INVALID") +
|
||
",dynFps=" + (volFpsValid ? std::to_string(dynFps) : "INVALID") +
|
||
",updateMsPerFrame=" + std::to_string(updateMsTotal / frames) +
|
||
",rawFps=" + std::to_string(rawFps) +
|
||
",loadMs=" + std::to_string(loadMs) +
|
||
",peakMB=" + std::to_string(peak));
|
||
return volFpsValid ? 0 : 1;
|
||
}
|
||
|
||
// ============================================================================
|
||
// 单 mapper SetPartitions 整卷体绘制基准（POC-C-partitioned,去风险探针）
|
||
// ============================================================================
|
||
//
|
||
// 验"对的架构":整卷喂【单个】vtkGPUVolumeRayCastMapper(其 OpenGL 实现 =
|
||
// vtkOpenGLGPUVolumeRayCastMapper),用 SetPartitions(ceil(nx/16384),...) 让同一
|
||
// mapper 内部把体沿轴分区上传(每区 ≤16384 绕过 GL_MAX_3D_TEXTURE_SIZE),一次
|
||
// ray cast。对照 9c 整卷单 SmartVolumeMapper(INVALID,纹理墙) 与 12 MultiBlock
|
||
// (每块一 mapper,9.5 静态/1.45 换页)。
|
||
//
|
||
// 双闸(同 9c,绝不把空纹理假帧率当性能):
|
||
// ① CapturingOutputWindow 捕获 3D 纹理维度错误;
|
||
// ② 真实回读像素,统计非背景像素 → 非空才算真渲出。
|
||
int cmdRenderCPartitioned(int argc, char** argv) {
|
||
const Args a = parseArgs(argc, argv, 2);
|
||
if (a.positional.empty()) {
|
||
std::cerr
|
||
<< "用法: gpr_poc renderC-partitioned <storeDir> [--frames 120]\n";
|
||
return 2;
|
||
}
|
||
const std::string dir = a.positional[0];
|
||
const int frames = std::stoi(a.get("frames", "120"));
|
||
std::cout << "[renderC-partitioned] storeDir=" << dir << " frames=" << frames
|
||
<< "\n";
|
||
|
||
// 闸门复检:不可渲染机不产假 fps。
|
||
std::cout << "[renderC-partitioned] 离屏闸门复检...\n";
|
||
if (cmdOffscreenSmoke() != 0) {
|
||
std::cout << "[renderC-partitioned] 闸门失败,中止,不产出 fps。\n";
|
||
return 1;
|
||
}
|
||
|
||
// 1) WholeVolumeSource 重组整卷 VTK_SHORT image(常驻内存,约 400MB)。
|
||
Stopwatch swLoad;
|
||
geopro::render::WholeVolumeSource src(dir);
|
||
const double loadMs = swLoad.elapsedMs();
|
||
const auto& m = src.meta();
|
||
|
||
const std::int64_t voxels =
|
||
static_cast<std::int64_t>(m.nx) * m.ny * m.nz;
|
||
const std::int64_t wholeBytes = voxels * 2; // VTK_SHORT
|
||
std::cout << "[renderC-partitioned] 整卷 " << m.nx << "x" << m.ny << "x"
|
||
<< m.nz << " 体素=" << voxels << " 字节=" << wholeBytes << " ("
|
||
<< wholeBytes / (1024.0 * 1024.0) << " MB),加载 " << loadMs
|
||
<< "ms\n";
|
||
|
||
auto images = src.currentImages();
|
||
if (images.empty() || !images.front()) {
|
||
std::cerr << "[renderC-partitioned] 错误: currentImages 为空\n";
|
||
return 1;
|
||
}
|
||
vtkImageData* shortImg = images.front().Get();
|
||
|
||
// 2) 分区数:任一轴 > 16384 → ceil(dim/16384) 个分区,其余轴 1。
|
||
constexpr int kMax3DTex = 16384;
|
||
auto partCount = [](int dim) {
|
||
return static_cast<unsigned short>((dim + kMax3DTex - 1) / kMax3DTex);
|
||
};
|
||
const unsigned short px = partCount(m.nx);
|
||
const unsigned short py = partCount(m.ny);
|
||
const unsigned short pz = partCount(m.nz);
|
||
std::cout << "[renderC-partitioned] SetPartitions(" << px << "," << py << ","
|
||
<< pz << ") 每区上限 ≤" << kMax3DTex << " (沿线 " << m.nx << "/"
|
||
<< px << "=" << (m.nx + px - 1) / px << ")\n";
|
||
|
||
// 3) 量化域传函(复用现有 makeI16VolumeProperty:qmin/qmax + kBlank 透明)。
|
||
const double vmin = m.vminPhys, vmax = m.vmaxPhys;
|
||
const geopro::core::ColorScale cs = makeColorScale(vmin, vmax);
|
||
vtkSmartPointer<vtkVolumeProperty> prop =
|
||
makeI16VolumeProperty(m.quant, cs, vmin, vmax);
|
||
|
||
// 4) 离屏 + 单个 GPU ray cast mapper + SetPartitions。
|
||
const int winW = 1024, winH = 768;
|
||
auto rw = makeOffscreenWindow(winW, winH);
|
||
vtkNew<vtkRenderer> ren;
|
||
ren->SetBackground(0.0, 0.0, 0.0);
|
||
rw->AddRenderer(ren);
|
||
|
||
// vtkGPUVolumeRayCastMapper 抽象基类无 SetPartitions(在 OpenGL 实现上);
|
||
// 直接建 OpenGL 具体类(工厂默认产物同此),喂【整卷单 image】不预切块。
|
||
vtkNew<vtkOpenGLGPUVolumeRayCastMapper> mapper;
|
||
mapper->SetInputData(shortImg);
|
||
mapper->SetPartitions(px, py, pz);
|
||
|
||
auto volume = vtkSmartPointer<vtkVolume>::New();
|
||
volume->SetMapper(mapper);
|
||
volume->SetProperty(prop);
|
||
ren->AddVolume(volume);
|
||
|
||
// 装捕获式 OutputWindow:拦截分区上传时的 3D 纹理维度错误。
|
||
auto capWin = vtkSmartPointer<CapturingOutputWindow>::New();
|
||
vtkOutputWindow::SetInstance(capWin);
|
||
|
||
// 相机:用 mapper 实际包围盒定向(整卷,非工作集);体极扁长(44476:29:162),
|
||
// ResetCamera 全体后再倾斜抬高视角,让薄维度可见(否则边缘视角近乎不可见)。
|
||
{
|
||
double b[6];
|
||
mapper->GetBounds(b);
|
||
if (b[0] <= b[1]) {
|
||
ren->ResetCamera(b);
|
||
} else {
|
||
ren->ResetCamera();
|
||
}
|
||
}
|
||
vtkCamera* cam = ren->GetActiveCamera();
|
||
cam->Elevation(30.0); // 抬高,避免纯边缘视角看不到薄板
|
||
cam->Azimuth(30.0);
|
||
ren->ResetCameraClippingRange();
|
||
|
||
// 每帧旋相机 + Render 测 fps;同时多帧采样非背景像素取最大值
|
||
// (区分"真渲不出"与"末帧恰好边缘视角空"——后者只是采样时机)。
|
||
auto countNonBlack = [&]() -> vtkIdType {
|
||
auto px = vtkSmartPointer<vtkUnsignedCharArray>::New();
|
||
rw->GetRGBACharPixelData(0, 0, winW - 1, winH - 1, /*front=*/1, px);
|
||
vtkIdType nb = 0;
|
||
const vtkIdType np = px->GetNumberOfTuples();
|
||
for (vtkIdType i = 0; i < np; ++i) {
|
||
if (px->GetComponent(i, 0) > 10 || px->GetComponent(i, 1) > 10 ||
|
||
px->GetComponent(i, 2) > 10) {
|
||
++nb;
|
||
}
|
||
}
|
||
return nb;
|
||
};
|
||
|
||
std::cout << "[renderC-partitioned] 单 mapper 整卷体绘制基准(" << frames
|
||
<< " 帧旋相机)...\n";
|
||
rw->Render(); // 预热(分区上传 + 编译 shader,不计时)
|
||
vtkIdType maxNonBlack = countNonBlack();
|
||
const int sampleEvery = std::max(1, frames / 8);
|
||
Stopwatch swBench;
|
||
for (int f = 0; f < frames; ++f) {
|
||
cam->Azimuth(360.0 / frames);
|
||
rw->Render();
|
||
if (f % sampleEvery == 0) {
|
||
maxNonBlack = std::max(maxNonBlack, countNonBlack());
|
||
}
|
||
}
|
||
const double benchMs = swBench.elapsedMs();
|
||
const double volFpsRaw =
|
||
benchMs > 0.0 ? frames * 1000.0 / benchMs : 0.0;
|
||
|
||
const bool textureErr = capWin->textureError();
|
||
vtkOutputWindow::SetInstance(nullptr);
|
||
|
||
// 5) 正确性判据:整个旋转扫描中的最大非背景像素(非空才算真渲出)。
|
||
const vtkIdType nonBlack = maxNonBlack;
|
||
const bool renderedNonEmpty = (nonBlack > 0);
|
||
|
||
// 双闸:无纹理错 + 非空像素 → fps 可信。
|
||
const bool volFpsValid = !textureErr && renderedNonEmpty;
|
||
const double volFps = volFpsValid ? volFpsRaw : -1.0;
|
||
const double peak = Probe::peakMemMB();
|
||
const bool interactive = volFpsValid && volFps >= 15.0;
|
||
|
||
const std::string volFpsStr =
|
||
volFpsValid ? std::to_string(volFps)
|
||
: std::string("INVALID(纹理错或空渲染)");
|
||
|
||
std::cout << "\n=== renderC-partitioned 单 mapper SetPartitions 指标 ===\n";
|
||
std::cout << "离屏闸门 : OK\n";
|
||
std::cout << "体维度 : " << m.nx << " x " << m.ny << " x " << m.nz
|
||
<< "\n";
|
||
std::cout << "体素数 : " << voxels << "\n";
|
||
std::cout << "整卷字节(B) : " << wholeBytes << " ("
|
||
<< wholeBytes / (1024.0 * 1024.0) << " MB)\n";
|
||
std::cout << "分区数(px,py,pz) : " << px << "," << py << "," << pz << "\n";
|
||
std::cout << "纹理维度错误 : " << (textureErr ? "是(!!)" : "否") << "\n";
|
||
std::cout << "渲出非空像素 : " << (renderedNonEmpty ? "是" : "否(!!)")
|
||
<< " (非背景像素=" << nonBlack << ")\n";
|
||
std::cout << "体绘制 fps : " << volFpsStr << "\n";
|
||
if (!volFpsValid) {
|
||
std::cout << " (raw_fps=" << volFpsRaw << " 不可信)\n";
|
||
}
|
||
std::cout << "达交互级(≥15fps) : "
|
||
<< (interactive ? "是 ✔" : "否 ✘") << "\n";
|
||
std::cout << "进程峰值内存(MB) : " << peak << "\n";
|
||
std::cout << "源构造耗时(ms) : " << loadMs << "\n";
|
||
std::cout << "对照 renderB : 整卷单 SmartVolumeMapper=INVALID(纹理墙);"
|
||
"renderC MultiBlock=9.5 静态/1.45 换页;本探针="
|
||
<< (volFpsValid ? volFpsStr + "fps" : "INVALID") << "\n";
|
||
|
||
writeMetricLine(
|
||
"renderC-partitioned,dir=" + dir + ",nx=" + std::to_string(m.nx) +
|
||
",ny=" + std::to_string(m.ny) + ",nz=" + std::to_string(m.nz) +
|
||
",voxels=" + std::to_string(voxels) +
|
||
",wholeB=" + std::to_string(wholeBytes) +
|
||
",px=" + std::to_string(px) + ",py=" + std::to_string(py) +
|
||
",pz=" + std::to_string(pz) +
|
||
",textureErr=" + std::to_string(textureErr ? 1 : 0) +
|
||
",nonBlack=" + std::to_string(nonBlack) +
|
||
",volFpsValid=" + std::to_string(volFpsValid ? 1 : 0) +
|
||
",volFps=" + volFpsStr + ",volFpsRaw=" + std::to_string(volFpsRaw) +
|
||
",interactive=" + std::to_string(interactive ? 1 : 0) +
|
||
",loadMs=" + std::to_string(loadMs) + ",peakMB=" + std::to_string(peak));
|
||
|
||
// 写报告文件(覆盖式,含对照表)。
|
||
{
|
||
const fs::path repo =
|
||
fs::path("docs") / "superpowers" / "plans" / "poc-results-C.md";
|
||
fs::create_directories(repo.parent_path());
|
||
std::ofstream rf(repo.string());
|
||
if (rf) {
|
||
rf << "# POC-C 单 mapper SetPartitions 整卷体绘制探针结果\n\n";
|
||
rf << "## 体\n";
|
||
rf << "- 维度: " << m.nx << " x " << m.ny << " x " << m.nz << " (体素 "
|
||
<< voxels << ")\n";
|
||
rf << "- 整卷字节: " << wholeBytes << " B ("
|
||
<< wholeBytes / (1024.0 * 1024.0) << " MB, VTK_SHORT)\n";
|
||
rf << "- store: " << dir << "\n\n";
|
||
rf << "## 单 mapper SetPartitions\n";
|
||
rf << "- mapper: vtkOpenGLGPUVolumeRayCastMapper (整卷单 image,不预切块)\n";
|
||
rf << "- 分区数: SetPartitions(" << px << ", " << py << ", " << pz
|
||
<< ") 每区上限 ≤" << kMax3DTex << "\n";
|
||
rf << "- 纹理维度错误: " << (textureErr ? "是" : "否") << "\n";
|
||
rf << "- 渲出非空像素: " << (renderedNonEmpty ? "是" : "否") << " (非背景像素 "
|
||
<< nonBlack << ")\n";
|
||
rf << "- 体绘制 fps: " << volFpsStr << "\n";
|
||
rf << "- 达交互级(≥15fps): " << (interactive ? "是" : "否") << "\n";
|
||
rf << "- 进程峰值内存: " << peak << " MB\n";
|
||
rf << "- 源构造耗时: " << loadMs << " ms\n\n";
|
||
rf << "## 对照表\n\n";
|
||
rf << "| 路径 | 是否渲出 | fps |\n";
|
||
rf << "|---|---|---|\n";
|
||
rf << "| renderB 整卷单 SmartVolumeMapper | INVALID(纹理墙) | — |\n";
|
||
rf << "| renderC MultiBlock(每块一 mapper) | 渲出 | 9.5 静态/1.45 换页 |\n";
|
||
rf << "| renderC-partitioned 单 mapper SetPartitions | "
|
||
<< (volFpsValid ? "渲出" : "未渲出") << " | "
|
||
<< (volFpsValid ? volFpsStr : std::string("INVALID")) << " |\n\n";
|
||
rf << "## 判据结论\n";
|
||
if (volFpsValid && interactive) {
|
||
rf << "单 mapper SetPartitions 整卷体绘制【真渲出且达交互级】(" << volFps
|
||
<< " fps ≥15)。C production 路线钉死可行。\n";
|
||
} else if (volFpsValid) {
|
||
rf << "单 mapper SetPartitions 整卷体绘制【真渲出但未达交互级】(" << volFps
|
||
<< " fps <15)。VTK 这条路天花板暴露,需评估 OpenVDS/自建 GL。\n";
|
||
} else {
|
||
rf << "单 mapper SetPartitions 整卷体绘制【未真渲出】(纹理错="
|
||
<< (textureErr ? "是" : "否") << ",非空像素="
|
||
<< (renderedNonEmpty ? "是" : "否")
|
||
<< ")。SetPartitions 未能绕过纹理墙,如实记录。\n";
|
||
}
|
||
std::cout << "[renderC-partitioned] 报告写入 " << repo.string() << "\n";
|
||
}
|
||
}
|
||
|
||
return volFpsValid ? 0 : 1;
|
||
}
|
||
|
||
// ============================================================================
|
||
// LOD-fps 探针（POC-C 最后一根链子，Task 12c）
|
||
// ============================================================================
|
||
//
|
||
// 12b 已证整卷全分辨率 ray cast(2.08 亿体素)~10fps 是硬上限，fps 杠杆只有 LOD
|
||
// （渲更少体素）。本探针在【真实金字塔 store】上验四件事，全离屏、双闸防假帧率：
|
||
// (a) 粗层概览 fps：level2 整卷（单轴 <16384 → 单 SmartVolumeMapper）。
|
||
// (b) 全分辨率局部 fps：level0 一段 brick 列（沿线局部）。
|
||
// (c) LOD 切换动态过渡：相机从远观(level2)逐步拉近到近观局部(level0)，跨越
|
||
// LOD 切换那一下逐帧记帧耗时，标切换帧尖峰/stall。
|
||
// (d) 截图：lod-overview.png / lod-fullres-local.png / lod-transition-mid.png。
|
||
//
|
||
// 双闸（同 9c，绝不把空纹理假帧率当性能）：
|
||
// ① CapturingOutputWindow 捕获 3D 纹理维度错误；
|
||
// ② 真实回读像素，统计非背景像素 → 非空才算真渲出。
|
||
|
||
// 把金字塔某 level 重组成整卷 VTK_SHORT vtkImageData（逻辑同 WholeVolumeSource，
|
||
// 但按 level 维度 + spacing×2^level，使物理范围与 level0 一致）。
|
||
vtkSmartPointer<vtkImageData> buildLevelImage(
|
||
const geopro::data::ChunkedVolumeStore& store, int level,
|
||
const geopro::data::StoreMeta& m) {
|
||
int nx = 0, ny = 0, nz = 0;
|
||
store.dims(level, nx, ny, nz);
|
||
const int brick = m.brick;
|
||
const double sc = static_cast<double>(1 << level); // 2^level
|
||
|
||
auto img = vtkSmartPointer<vtkImageData>::New();
|
||
img->SetDimensions(nx, ny, nz);
|
||
img->SetOrigin(m.origin[0], m.origin[1], m.origin[2]);
|
||
img->SetSpacing(m.spacing[0] * sc, m.spacing[1] * sc, m.spacing[2] * sc);
|
||
|
||
vtkNew<vtkShortArray> arr;
|
||
arr->SetName("v");
|
||
arr->SetNumberOfTuples(static_cast<vtkIdType>(nx) * ny * nz);
|
||
|
||
for (int bz = 0; bz < store.bricksZ(level); ++bz) {
|
||
for (int by = 0; by < store.bricksY(level); ++by) {
|
||
for (int bx = 0; bx < store.bricksX(level); ++bx) {
|
||
const std::vector<std::int16_t> raw = store.readBrick(level, bx, by, bz);
|
||
const int i0 = bx * brick, j0 = by * brick, k0 = bz * brick;
|
||
const int bw = (nx - i0 < brick) ? (nx - i0) : brick;
|
||
const int bh = (ny - j0 < brick) ? (ny - j0) : brick;
|
||
const int bd = (nz - k0 < brick) ? (nz - k0) : brick;
|
||
std::size_t w = 0;
|
||
for (int kk = 0; kk < bd; ++kk) {
|
||
const vtkIdType gk = static_cast<vtkIdType>(k0 + kk);
|
||
for (int jj = 0; jj < bh; ++jj) {
|
||
const vtkIdType gj = static_cast<vtkIdType>(j0 + jj);
|
||
vtkIdType id = (gk * ny + gj) * nx + i0;
|
||
for (int ii = 0; ii < bw; ++ii) arr->SetValue(id++, raw[w++]);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
img->GetPointData()->SetScalars(arr);
|
||
return img;
|
||
}
|
||
|
||
// 取 level0 一段 brick 列 [bx0, bx0+bxCount) × 全 Y × 全 Z 重组成局部整卷
|
||
// VTK_SHORT image（X 维 = bxCount*brick ≤ 几百，远 <16384，单 3D 纹理）。
|
||
// Origin 沿 X 偏移到该段起点，spacing 用 level0 原值。
|
||
vtkSmartPointer<vtkImageData> buildLocalLevel0Image(
|
||
const geopro::data::ChunkedVolumeStore& store,
|
||
const geopro::data::StoreMeta& m, int bx0, int bxCount) {
|
||
const int brick = m.brick;
|
||
const int nx0 = m.nx, ny0 = m.ny, nz0 = m.nz;
|
||
const int totBx = store.bricksX(0);
|
||
bx0 = std::max(0, std::min(bx0, totBx - 1));
|
||
bxCount = std::max(1, std::min(bxCount, totBx - bx0));
|
||
|
||
const int i0Global = bx0 * brick;
|
||
const int localNx = std::min(bxCount * brick, nx0 - i0Global);
|
||
|
||
auto img = vtkSmartPointer<vtkImageData>::New();
|
||
img->SetDimensions(localNx, ny0, nz0);
|
||
img->SetOrigin(m.origin[0] + i0Global * m.spacing[0], m.origin[1],
|
||
m.origin[2]);
|
||
img->SetSpacing(m.spacing[0], m.spacing[1], m.spacing[2]);
|
||
|
||
vtkNew<vtkShortArray> arr;
|
||
arr->SetName("v");
|
||
arr->SetNumberOfTuples(static_cast<vtkIdType>(localNx) * ny0 * nz0);
|
||
|
||
for (int bz = 0; bz < store.bricksZ(0); ++bz) {
|
||
for (int by = 0; by < store.bricksY(0); ++by) {
|
||
for (int bx = bx0; bx < bx0 + bxCount; ++bx) {
|
||
const std::vector<std::int16_t> raw = store.readBrick(0, bx, by, bz);
|
||
const int gi0 = bx * brick, j0 = by * brick, k0 = bz * brick;
|
||
const int li0 = gi0 - i0Global; // 局部 X 起点
|
||
const int bw = (nx0 - gi0 < brick) ? (nx0 - gi0) : brick;
|
||
const int bh = (ny0 - j0 < brick) ? (ny0 - j0) : brick;
|
||
const int bd = (nz0 - k0 < brick) ? (nz0 - k0) : brick;
|
||
std::size_t w = 0;
|
||
for (int kk = 0; kk < bd; ++kk) {
|
||
const vtkIdType gk = static_cast<vtkIdType>(k0 + kk);
|
||
for (int jj = 0; jj < bh; ++jj) {
|
||
const vtkIdType gj = static_cast<vtkIdType>(j0 + jj);
|
||
vtkIdType id = (gk * ny0 + gj) * localNx + li0;
|
||
for (int ii = 0; ii < bw; ++ii) arr->SetValue(id++, raw[w++]);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
img->GetPointData()->SetScalars(arr);
|
||
return img;
|
||
}
|
||
|
||
// 统计当前窗口前缓冲非背景像素（>10 任一通道）。
|
||
vtkIdType countNonBlackPixels(vtkRenderWindow* rw, int w, int h) {
|
||
auto px = vtkSmartPointer<vtkUnsignedCharArray>::New();
|
||
rw->GetRGBACharPixelData(0, 0, w - 1, h - 1, /*front=*/1, px);
|
||
vtkIdType nb = 0;
|
||
const vtkIdType np = px->GetNumberOfTuples();
|
||
for (vtkIdType i = 0; i < np; ++i) {
|
||
if (px->GetComponent(i, 0) > 10 || px->GetComponent(i, 1) > 10 ||
|
||
px->GetComponent(i, 2) > 10) {
|
||
++nb;
|
||
}
|
||
}
|
||
return nb;
|
||
}
|
||
|
||
// 离屏窗口截图 → PNG。
|
||
void savePng(vtkRenderWindow* rw, const std::string& path) {
|
||
rw->Render();
|
||
vtkNew<vtkWindowToImageFilter> w2i;
|
||
w2i->SetInput(rw);
|
||
w2i->SetInputBufferTypeToRGB();
|
||
w2i->ReadFrontBufferOff();
|
||
w2i->Update();
|
||
vtkNew<vtkPNGWriter> writer;
|
||
writer->SetFileName(path.c_str());
|
||
writer->SetInputConnection(w2i->GetOutputPort());
|
||
writer->Write();
|
||
}
|
||
|
||
int cmdRenderLOD(int argc, char** argv) {
|
||
const Args a = parseArgs(argc, argv, 2);
|
||
if (a.positional.empty()) {
|
||
std::cerr << "用法: gpr_poc renderLOD <storeDir> [--frames 120]\n";
|
||
return 2;
|
||
}
|
||
const std::string dir = a.positional[0];
|
||
const int frames = std::stoi(a.get("frames", "120"));
|
||
std::cout << "[renderLOD] storeDir=" << dir << " frames=" << frames << "\n";
|
||
|
||
// 闸门复检：不可渲染机不产假 fps。
|
||
std::cout << "[renderLOD] 离屏闸门复检...\n";
|
||
if (cmdOffscreenSmoke() != 0) {
|
||
std::cout << "[renderLOD] 闸门失败，中止，不产出 fps。\n";
|
||
return 1;
|
||
}
|
||
|
||
geopro::data::ChunkedVolumeStore store(dir);
|
||
const geopro::data::StoreMeta& m = store.meta();
|
||
const int totLevels = store.levels();
|
||
std::cout << "[renderLOD] level0=" << m.nx << "x" << m.ny << "x" << m.nz
|
||
<< " 总层数=" << totLevels << "\n";
|
||
if (totLevels < 3) {
|
||
std::cout << "[renderLOD] 警告: 金字塔层数 <3（需 build --levels 3）。\n";
|
||
}
|
||
|
||
const double vmin = m.vminPhys, vmax = m.vmaxPhys;
|
||
const geopro::core::ColorScale cs = makeColorScale(vmin, vmax);
|
||
|
||
const fs::path shotDir =
|
||
fs::path("docs") / "superpowers" / "plans" / "poc-lod-shots";
|
||
fs::create_directories(shotDir);
|
||
|
||
const int winW = 1024, winH = 768;
|
||
|
||
// 共用一个捕获式 OutputWindow，贯穿三段渲染。
|
||
auto capWin = vtkSmartPointer<CapturingOutputWindow>::New();
|
||
vtkOutputWindow::SetInstance(capWin);
|
||
|
||
// ---- (a) 粗层概览 fps：level2 整卷 ----
|
||
const int ovLevel = std::min(2, totLevels - 1);
|
||
std::cout << "[renderLOD] (a) 建 level" << ovLevel << " 整卷 image...\n";
|
||
vtkSmartPointer<vtkImageData> ovImg = buildLevelImage(store, ovLevel, m);
|
||
int ovNx, ovNy, ovNz;
|
||
store.dims(ovLevel, ovNx, ovNy, ovNz);
|
||
|
||
auto rwOv = makeOffscreenWindow(winW, winH);
|
||
vtkNew<vtkRenderer> renOv;
|
||
renOv->SetBackground(0.0, 0.0, 0.0);
|
||
rwOv->AddRenderer(renOv);
|
||
vtkSmartPointer<vtkVolume> ovVol =
|
||
geopro::render::buildVoxelI16FromImage(ovImg.Get(), m.quant, cs, vmin,
|
||
vmax);
|
||
renOv->AddVolume(ovVol);
|
||
// 先测 fps（benchVolumeFps 内部会 ResetCamera + 旋满一圈）。
|
||
const double ovFps = benchVolumeFps(rwOv.Get(), renOv, frames);
|
||
// 截图前重设一个利于人眼的取景：整线物理纵横比极扁(~2200m×1.5m×8m)，俯视角
|
||
// 看宽面才能呈现整条带(而非边缘线)。
|
||
renOv->ResetCamera();
|
||
renOv->GetActiveCamera()->Elevation(55.0);
|
||
renOv->GetActiveCamera()->Azimuth(20.0);
|
||
renOv->ResetCameraClippingRange();
|
||
rwOv->Render();
|
||
const vtkIdType ovNonBlack = countNonBlackPixels(rwOv.Get(), winW, winH);
|
||
savePng(rwOv.Get(), (shotDir / "lod-overview.png").string());
|
||
std::cout << "[renderLOD] (a) 概览 fps=" << ovFps << " 非空像素=" << ovNonBlack
|
||
<< " (level" << ovLevel << " " << ovNx << "x" << ovNy << "x" << ovNz
|
||
<< ")\n";
|
||
|
||
// ---- (b) 全分辨率局部 fps：level0 一段 brick 列 ----
|
||
const int totBx = store.bricksX(0);
|
||
const int localBx = std::min(4, totBx); // 4 brick 列 ≈ 256 体素宽
|
||
const int bx0 = std::max(0, totBx / 2 - localBx / 2); // 取沿线中段
|
||
std::cout << "[renderLOD] (b) 建 level0 局部 image (brick列 [" << bx0 << ","
|
||
<< (bx0 + localBx) << ") / " << totBx << ")...\n";
|
||
vtkSmartPointer<vtkImageData> locImg =
|
||
buildLocalLevel0Image(store, m, bx0, localBx);
|
||
int locDims[3];
|
||
locImg->GetDimensions(locDims);
|
||
|
||
auto rwLoc = makeOffscreenWindow(winW, winH);
|
||
vtkNew<vtkRenderer> renLoc;
|
||
renLoc->SetBackground(0.0, 0.0, 0.0);
|
||
rwLoc->AddRenderer(renLoc);
|
||
vtkSmartPointer<vtkVolume> locVol =
|
||
geopro::render::buildVoxelI16FromImage(locImg.Get(), m.quant, cs, vmin,
|
||
vmax);
|
||
renLoc->AddVolume(locVol);
|
||
const double locFps = benchVolumeFps(rwLoc.Get(), renLoc, frames);
|
||
// 截图取景：局部块(256×29×162)斜俯视，呈现全分辨率细节供与概览对比。
|
||
renLoc->ResetCamera();
|
||
renLoc->GetActiveCamera()->Elevation(35.0);
|
||
renLoc->GetActiveCamera()->Azimuth(25.0);
|
||
renLoc->ResetCameraClippingRange();
|
||
rwLoc->Render();
|
||
const vtkIdType locNonBlack = countNonBlackPixels(rwLoc.Get(), winW, winH);
|
||
savePng(rwLoc.Get(), (shotDir / "lod-fullres-local.png").string());
|
||
std::cout << "[renderLOD] (b) 局部 fps=" << locFps << " 非空像素="
|
||
<< locNonBlack << " (level0 局部 " << locDims[0] << "x" << locDims[1]
|
||
<< "x" << locDims[2] << ")\n";
|
||
|
||
// ---- (c) LOD 切换动态过渡 ----
|
||
// 同一窗口：相机从远观（看整卷，用 level2 概览体）逐步 dolly 拉近，到一半处
|
||
// 跨越 LOD 切换——把体从 level2 整卷换成 level0 局部体（重设 mapper 输入/相机
|
||
// 目标），逐帧记帧耗时，标切换帧尖峰。
|
||
std::cout << "[renderLOD] (c) LOD 切换动态过渡（" << frames << " 帧 dolly）...\n";
|
||
auto rwTr = makeOffscreenWindow(winW, winH);
|
||
vtkNew<vtkRenderer> renTr;
|
||
renTr->SetBackground(0.0, 0.0, 0.0);
|
||
rwTr->AddRenderer(renTr);
|
||
|
||
// 远观体 = level2 概览（新建一份，避免与 (a) 共享 actor 状态）。
|
||
vtkSmartPointer<vtkVolume> farVol =
|
||
geopro::render::buildVoxelI16FromImage(ovImg.Get(), m.quant, cs, vmin,
|
||
vmax);
|
||
// 近观体 = level0 局部（复用 (b) 的 image）。
|
||
vtkSmartPointer<vtkVolume> nearVol =
|
||
geopro::render::buildVoxelI16FromImage(locImg.Get(), m.quant, cs, vmin,
|
||
vmax);
|
||
|
||
renTr->AddVolume(farVol);
|
||
renTr->ResetCamera(); // 框住整卷（level2 与 level0 物理范围一致）
|
||
vtkCamera* camTr = renTr->GetActiveCamera();
|
||
camTr->Elevation(20.0);
|
||
renTr->ResetCameraClippingRange();
|
||
rwTr->Render(); // 预热远观
|
||
|
||
// dolly 目标：从当前（远）拉近到局部段中心。
|
||
double locCenter[3];
|
||
locImg->GetCenter(locCenter);
|
||
const int switchFrame = frames / 2;
|
||
const double dollyPerFrame =
|
||
std::pow(6.0, 1.0 / std::max(1, switchFrame)); // 切换前累计 dolly≈6×
|
||
|
||
std::vector<double> frameMs(frames, 0.0);
|
||
bool switched = false;
|
||
double switchStallMs = 0.0;
|
||
|
||
for (int f = 0; f < frames; ++f) {
|
||
Stopwatch swF;
|
||
if (f == switchFrame && !switched) {
|
||
// —— LOD 切换那一下 ——：换体 + 把相机焦点移到局部段中心。
|
||
renTr->RemoveVolume(farVol);
|
||
renTr->AddVolume(nearVol);
|
||
camTr->SetFocalPoint(locCenter[0], locCenter[1], locCenter[2]);
|
||
renTr->ResetCameraClippingRange();
|
||
switched = true;
|
||
}
|
||
// 渐进拉近（切换前 dolly 进；切换后继续推近 + 轻微环绕，逐步框满局部块）。
|
||
camTr->Dolly(switched ? 1.04 : dollyPerFrame);
|
||
if (switched) camTr->Azimuth(0.5);
|
||
renTr->ResetCameraClippingRange();
|
||
rwTr->Render();
|
||
frameMs[f] = swF.elapsedMs();
|
||
if (f == switchFrame) switchStallMs = frameMs[f];
|
||
// 切换后推近一小段再截“过渡中间帧”，使局部块已明显呈现（而非切换瞬间仍很远）。
|
||
if (f == switchFrame + (frames - switchFrame) / 3) {
|
||
savePng(rwTr.Get(), (shotDir / "lod-transition-mid.png").string());
|
||
}
|
||
}
|
||
|
||
// 过渡帧耗时统计：平均、最大、切换帧、切换帧相对邻帧的尖峰倍数。
|
||
double sum = 0, mx = 0;
|
||
for (double v : frameMs) {
|
||
sum += v;
|
||
mx = std::max(mx, v);
|
||
}
|
||
const double avgMs = frames > 0 ? sum / frames : 0.0;
|
||
const double preMs =
|
||
switchFrame > 0 ? frameMs[switchFrame - 1] : avgMs;
|
||
const double spikeRatio = preMs > 0 ? switchStallMs / preMs : 0.0;
|
||
// 可感知卡顿判据（绝对耗时为准，尖峰倍数仅作次级信号）：当两端帧耗时是亚毫秒
|
||
// 时，一次性换体的 ~9ms 抖动倍数虽大但仍 <1 个 60Hz 帧(16.7ms)，人眼不可感。
|
||
// 故：切换帧 >1 个 60Hz 帧(16.7ms)才记“轻微”，>2 帧(33ms)记“可感知卡顿”。
|
||
constexpr double kFrame60Ms = 1000.0 / 60.0; // 16.7ms
|
||
const bool perceptibleStall = switchStallMs > 2.0 * kFrame60Ms; // >33ms
|
||
const bool minorHitch =
|
||
!perceptibleStall && switchStallMs > kFrame60Ms; // 16.7~33ms 轻微
|
||
const vtkIdType trNonBlack = countNonBlackPixels(rwTr.Get(), winW, winH);
|
||
|
||
const bool textureErr = capWin->textureError();
|
||
vtkOutputWindow::SetInstance(nullptr);
|
||
|
||
// 双闸：无纹理错 + 三段均渲出非空像素。
|
||
const bool renderedNonEmpty =
|
||
(ovNonBlack > 0) && (locNonBlack > 0) && (trNonBlack > 0);
|
||
const bool valid = !textureErr && renderedNonEmpty;
|
||
|
||
const double ovFpsV = valid ? ovFps : -1.0;
|
||
const double locFpsV = valid ? locFps : -1.0;
|
||
const bool ovInteractive = valid && ovFps >= 15.0;
|
||
const bool locInteractive = valid && locFps >= 15.0;
|
||
const double peak = Probe::peakMemMB();
|
||
|
||
const char* stallTxt =
|
||
perceptibleStall ? "可感知卡顿" : (minorHitch ? "轻微抖动(<2帧)" : "无");
|
||
std::cout << "[renderLOD] (c) 过渡帧耗时 avg=" << avgMs << "ms max=" << mx
|
||
<< "ms 切换帧=" << switchStallMs << "ms (邻帧 " << preMs << "ms, 尖峰 "
|
||
<< spikeRatio << "×) 卡顿=" << stallTxt << "\n";
|
||
|
||
std::cout << "\n=== renderLOD LOD-fps 探针指标 ===\n";
|
||
std::cout << "离屏闸门 : OK\n";
|
||
std::cout << "纹理维度错误 : " << (textureErr ? "是(!!)" : "否") << "\n";
|
||
std::cout << "三段均渲出非空 : " << (renderedNonEmpty ? "是" : "否(!!)")
|
||
<< " (概览=" << ovNonBlack << " 局部=" << locNonBlack
|
||
<< " 过渡=" << trNonBlack << ")\n";
|
||
std::cout << "(a) 粗层概览 fps : "
|
||
<< (valid ? std::to_string(ovFpsV) : std::string("INVALID"))
|
||
<< " (level" << ovLevel << " " << ovNx << "x" << ovNy << "x" << ovNz
|
||
<< ") 交互级=" << (ovInteractive ? "是 ✔" : "否 ✘") << "\n";
|
||
std::cout << "(b) 全分辨率局部fps: "
|
||
<< (valid ? std::to_string(locFpsV) : std::string("INVALID"))
|
||
<< " (level0 局部 " << locDims[0] << "x" << locDims[1] << "x"
|
||
<< locDims[2] << ") 交互级=" << (locInteractive ? "是 ✔" : "否 ✘")
|
||
<< "\n";
|
||
std::cout << "(c) 过渡平均/最大 : " << avgMs << " / " << mx << " ms\n";
|
||
std::cout << " 切换帧耗时 : " << switchStallMs << " ms (邻帧 " << preMs
|
||
<< " ms, 尖峰 " << spikeRatio << "×)\n";
|
||
std::cout << " 可感知卡顿 : " << stallTxt
|
||
<< (perceptibleStall ? " ✘" : " ✔") << " (判据:切换帧 >33ms 才记卡顿"
|
||
"; 1 帧 60Hz=16.7ms)\n";
|
||
std::cout << "进程峰值内存(MB) : " << peak << "\n";
|
||
std::cout << "截图 : " << shotDir.string()
|
||
<< " (lod-overview / lod-fullres-local / lod-transition-mid)\n";
|
||
|
||
writeMetricLine(
|
||
"renderLOD,dir=" + dir + ",totLevels=" + std::to_string(totLevels) +
|
||
",ovLevel=" + std::to_string(ovLevel) +
|
||
",ovDims=" + std::to_string(ovNx) + "x" + std::to_string(ovNy) + "x" +
|
||
std::to_string(ovNz) +
|
||
",ovFps=" + (valid ? std::to_string(ovFpsV) : "INVALID") +
|
||
",ovNonBlack=" + std::to_string(ovNonBlack) +
|
||
",locDims=" + std::to_string(locDims[0]) + "x" +
|
||
std::to_string(locDims[1]) + "x" + std::to_string(locDims[2]) +
|
||
",locFps=" + (valid ? std::to_string(locFpsV) : "INVALID") +
|
||
",locNonBlack=" + std::to_string(locNonBlack) +
|
||
",trAvgMs=" + std::to_string(avgMs) + ",trMaxMs=" + std::to_string(mx) +
|
||
",switchMs=" + std::to_string(switchStallMs) +
|
||
",switchSpike=" + std::to_string(spikeRatio) +
|
||
",stall=" + std::to_string(perceptibleStall ? 1 : 0) +
|
||
",trNonBlack=" + std::to_string(trNonBlack) +
|
||
",textureErr=" + std::to_string(textureErr ? 1 : 0) +
|
||
",valid=" + std::to_string(valid ? 1 : 0) +
|
||
",peakMB=" + std::to_string(peak));
|
||
|
||
// 写 poc-results-C.md 的 LOD 段（追加，不覆盖 renderC-partitioned 段）。
|
||
{
|
||
const fs::path repo =
|
||
fs::path("docs") / "superpowers" / "plans" / "poc-results-C.md";
|
||
fs::create_directories(repo.parent_path());
|
||
std::ofstream rf(repo.string(), std::ios::app);
|
||
if (rf) {
|
||
rf << "\n\n# POC-C LOD-fps 探针结果（Task 12c）\n\n";
|
||
rf << "金字塔 store: " << dir << "（level0=" << m.nx << "x" << m.ny << "x"
|
||
<< m.nz << "，总 " << totLevels << " 层）\n\n";
|
||
rf << "| 项 | 维度 | 结果 |\n|---|---|---|\n";
|
||
rf << "| (a) 粗层概览 fps | level" << ovLevel << " " << ovNx << "x" << ovNy
|
||
<< "x" << ovNz << " | " << (valid ? std::to_string(ovFpsV) : "INVALID")
|
||
<< " fps " << (ovInteractive ? "(交互级)" : "(未达交互级)") << " |\n";
|
||
rf << "| (b) 全分辨率局部 fps | level0 局部 " << locDims[0] << "x"
|
||
<< locDims[1] << "x" << locDims[2] << " | "
|
||
<< (valid ? std::to_string(locFpsV) : "INVALID") << " fps "
|
||
<< (locInteractive ? "(交互级)" : "(未达交互级)") << " |\n";
|
||
rf << "| (c) LOD 切换过渡 | 切换帧 " << switchFrame << "/" << frames
|
||
<< " | 平均 " << avgMs << "ms，切换帧 " << switchStallMs << "ms（尖峰 "
|
||
<< spikeRatio << "×），"
|
||
<< (perceptibleStall ? "可感知卡顿"
|
||
: (minorHitch ? "轻微抖动" : "无可感知卡顿"))
|
||
<< " |\n\n";
|
||
rf << "- 卡顿判据：切换帧绝对耗时 >33ms(2 个 60Hz 帧)才记可感知卡顿；"
|
||
"16.7~33ms 记轻微抖动；亚毫秒基线下尖峰倍数大但绝对值低不算卡顿。\n";
|
||
rf << "- 双闸：纹理维度错误=" << (textureErr ? "是" : "否")
|
||
<< "；三段均渲出非空像素=" << (renderedNonEmpty ? "是" : "否")
|
||
<< "（概览 " << ovNonBlack << " / 局部 " << locNonBlack << " / 过渡 "
|
||
<< trNonBlack << "）。\n";
|
||
rf << "- 截图（人眼判“概览糊→拉近清晰”）：docs/superpowers/plans/poc-lod-shots/"
|
||
"lod-overview.png、lod-fullres-local.png、lod-transition-mid.png\n";
|
||
rf << "- 进程峰值内存: " << peak << " MB\n\n";
|
||
rf << "## 判据结论\n";
|
||
if (valid && ovInteractive && locInteractive && !perceptibleStall) {
|
||
rf << "粗层概览 + 全分辨率局部【都达交互级】且切换【无不可接受卡顿】→ "
|
||
"LOD-based C 路线钉死可行。\n";
|
||
} else if (valid && ovInteractive && !locInteractive) {
|
||
rf << "粗层快但全分辨率局部仍慢 → VTK 体绘制有真实天花板，记录，"
|
||
"评估 OpenVDS/自建 GL。\n";
|
||
} else if (valid && perceptibleStall) {
|
||
rf << "两端 fps 可接受但切换卡顿明显（切换帧 " << switchStallMs
|
||
<< "ms）→ 为后续 morphing/淡入提供依据。\n";
|
||
} else if (!valid) {
|
||
rf << "双闸未过（纹理错或空渲染）→ 数字不可信，如实标 INVALID。\n";
|
||
} else {
|
||
rf << "部分达标，详见上表。\n";
|
||
}
|
||
rf << "\n**最低配未验声明**：本探针仅在本机（RTX 3060）跑得上限数字，"
|
||
"最低配机器未验证，需用户在目标机跑或提供型号。\n";
|
||
}
|
||
std::cout << "[renderLOD] 报告追加写入 " << repo.string() << "\n";
|
||
}
|
||
|
||
return valid ? 0 : 1;
|
||
}
|
||
|
||
// ============================================================================
|
||
// ① 视觉调优：出一帧能看结构的图 + 调优前后 fps 对照（Task 12d）
|
||
// ============================================================================
|
||
//
|
||
// 在【真实金字塔 store】上对局部段(level0 一段 brick 列)与粗层概览(level2 整卷)
|
||
// 各跑两遍体绘制 fps：调优前(默认色阶 0.15 不透明度 无夸张) vs 调优后(结构色阶 +
|
||
// --opacity + --exagg 垂向夸张)，离屏存 lod-tuned-local.png / lod-tuned-overview.png，
|
||
// 并打印前后 fps 对照——证实「视觉调优对 fps 近乎中性」这一探针认知。双闸防假帧率。
|
||
int cmdTune(int argc, char** argv) {
|
||
const Args a = parseArgs(argc, argv, 2);
|
||
if (a.positional.empty()) {
|
||
std::cerr << "用法: gpr_poc tune <storeDir> [--opacity 0.5] [--exagg 8] "
|
||
"[--frames 120] [--localBricks 4]\n";
|
||
return 2;
|
||
}
|
||
const std::string dir = a.positional[0];
|
||
const double opacity = std::stod(a.get("opacity", "0.5"));
|
||
const double exagg = std::stod(a.get("exagg", "8"));
|
||
const int frames = std::stoi(a.get("frames", "120"));
|
||
const int localBricks = std::stoi(a.get("localBricks", "4"));
|
||
std::cout << "[tune] storeDir=" << dir << " opacity=" << opacity
|
||
<< " exagg=" << exagg << " frames=" << frames << "\n";
|
||
|
||
std::cout << "[tune] 离屏闸门复检...\n";
|
||
if (cmdOffscreenSmoke() != 0) {
|
||
std::cout << "[tune] 闸门失败,中止。\n";
|
||
return 1;
|
||
}
|
||
|
||
geopro::data::ChunkedVolumeStore store(dir);
|
||
const geopro::data::StoreMeta& m = store.meta();
|
||
const int totLevels = store.levels();
|
||
const double vmin = m.vminPhys, vmax = m.vmaxPhys;
|
||
|
||
const geopro::core::ColorScale csPlain = makeColorScale(vmin, vmax);
|
||
const geopro::core::ColorScale csTuned = makeStructuralColorScale(vmin, vmax);
|
||
|
||
const fs::path shotDir =
|
||
fs::path("docs") / "superpowers" / "plans" / "poc-lod-shots";
|
||
fs::create_directories(shotDir);
|
||
const int winW = 1024, winH = 768;
|
||
|
||
auto capWin = vtkSmartPointer<CapturingOutputWindow>::New();
|
||
vtkOutputWindow::SetInstance(capWin);
|
||
|
||
// ---- 局部段：level0 一段 brick 列（沿线中段）----
|
||
const int totBx = store.bricksX(0);
|
||
const int localBx = std::min(localBricks, totBx);
|
||
const int bx0 = std::max(0, totBx / 2 - localBx / 2);
|
||
vtkSmartPointer<vtkImageData> locImg =
|
||
buildLocalLevel0Image(store, m, bx0, localBx);
|
||
int locDims[3];
|
||
locImg->GetDimensions(locDims);
|
||
|
||
// 调优前局部 fps（默认色阶 0.15 无夸张）。
|
||
auto rwA = makeOffscreenWindow(winW, winH);
|
||
vtkNew<vtkRenderer> renA;
|
||
renA->SetBackground(0.0, 0.0, 0.0);
|
||
rwA->AddRenderer(renA);
|
||
vtkSmartPointer<vtkVolume> volA =
|
||
buildTunedVolume(locImg.Get(), m.quant, csPlain, vmin, vmax, 0.15, 1.0,
|
||
/*structuralOpacity=*/false); // 原始线性单斜坡基线
|
||
renA->AddVolume(volA);
|
||
const double locFpsBefore = benchVolumeFps(rwA.Get(), renA, frames);
|
||
|
||
// 调优后局部 fps（结构色阶 + opacity + exagg）。
|
||
auto rwB = makeOffscreenWindow(winW, winH);
|
||
vtkNew<vtkRenderer> renB;
|
||
renB->SetBackground(0.04, 0.04, 0.08); // 深蓝灰背景，衬托体
|
||
rwB->AddRenderer(renB);
|
||
vtkSmartPointer<vtkVolume> volB =
|
||
buildTunedVolume(locImg.Get(), m.quant, csTuned, vmin, vmax, opacity,
|
||
exagg);
|
||
renB->AddVolume(volB);
|
||
const double locFpsAfter = benchVolumeFps(rwB.Get(), renB, frames);
|
||
// 调优后取景：夸张后块更"立体"，斜俯视呈现截面层次；Zoom 拉近填满画面。
|
||
renB->ResetCamera();
|
||
renB->GetActiveCamera()->Elevation(28.0);
|
||
renB->GetActiveCamera()->Azimuth(30.0);
|
||
renB->GetActiveCamera()->Zoom(1.7);
|
||
renB->ResetCameraClippingRange();
|
||
rwB->Render();
|
||
const vtkIdType locNonBlack = countNonBlackPixels(rwB.Get(), winW, winH);
|
||
savePng(rwB.Get(), (shotDir / "lod-tuned-local.png").string());
|
||
|
||
// ---- 概览：level2 整卷（接受它就是细带）----
|
||
const int ovLevel = std::min(2, totLevels - 1);
|
||
vtkSmartPointer<vtkImageData> ovImg = buildLevelImage(store, ovLevel, m);
|
||
auto rwO = makeOffscreenWindow(winW, winH);
|
||
vtkNew<vtkRenderer> renO;
|
||
renO->SetBackground(0.04, 0.04, 0.08);
|
||
rwO->AddRenderer(renO);
|
||
vtkSmartPointer<vtkVolume> volO =
|
||
buildTunedVolume(ovImg.Get(), m.quant, csTuned, vmin, vmax, opacity,
|
||
exagg);
|
||
renO->AddVolume(volO);
|
||
const double ovFpsAfter = benchVolumeFps(rwO.Get(), renO, frames);
|
||
renO->ResetCamera();
|
||
renO->GetActiveCamera()->Elevation(50.0);
|
||
renO->GetActiveCamera()->Azimuth(20.0);
|
||
renO->ResetCameraClippingRange();
|
||
rwO->Render();
|
||
const vtkIdType ovNonBlack = countNonBlackPixels(rwO.Get(), winW, winH);
|
||
savePng(rwO.Get(), (shotDir / "lod-tuned-overview.png").string());
|
||
|
||
const bool textureErr = capWin->textureError();
|
||
vtkOutputWindow::SetInstance(nullptr);
|
||
const bool valid =
|
||
!textureErr && locNonBlack > 0 && ovNonBlack > 0;
|
||
|
||
const double dropPct =
|
||
locFpsBefore > 0 ? (locFpsBefore - locFpsAfter) / locFpsBefore * 100.0
|
||
: 0.0;
|
||
|
||
std::cout << "\n=== tune 视觉调优指标 ===\n";
|
||
std::cout << "局部段维度 : " << locDims[0] << "x" << locDims[1] << "x"
|
||
<< locDims[2] << " (level0)\n";
|
||
std::cout << "调优前局部 fps : "
|
||
<< (valid ? std::to_string(locFpsBefore) : "INVALID")
|
||
<< " (默认蓝白红, 不透明度 0.15, 无夸张)\n";
|
||
std::cout << "调优后局部 fps : "
|
||
<< (valid ? std::to_string(locFpsAfter) : "INVALID")
|
||
<< " (结构色阶, 不透明度 " << opacity << ", 夸张 " << exagg
|
||
<< "x)\n";
|
||
std::cout << "fps 变化 : " << dropPct
|
||
<< "% (正=变慢/负=变快; 探针预期近乎中性)\n";
|
||
std::cout << "调优后概览 fps : "
|
||
<< (valid ? std::to_string(ovFpsAfter) : "INVALID") << " (level"
|
||
<< ovLevel << ")\n";
|
||
std::cout << "双闸 : 纹理错=" << (textureErr ? "是" : "否")
|
||
<< " 局部非空=" << locNonBlack << " 概览非空=" << ovNonBlack
|
||
<< " → " << (valid ? "可信" : "INVALID") << "\n";
|
||
std::cout << "截图 : " << shotDir.string()
|
||
<< " (lod-tuned-local.png / lod-tuned-overview.png)\n";
|
||
|
||
writeMetricLine(
|
||
"tune,dir=" + dir + ",opacity=" + std::to_string(opacity) +
|
||
",exagg=" + std::to_string(exagg) +
|
||
",locDims=" + std::to_string(locDims[0]) + "x" +
|
||
std::to_string(locDims[1]) + "x" + std::to_string(locDims[2]) +
|
||
",locFpsBefore=" + (valid ? std::to_string(locFpsBefore) : "INVALID") +
|
||
",locFpsAfter=" + (valid ? std::to_string(locFpsAfter) : "INVALID") +
|
||
",dropPct=" + std::to_string(dropPct) +
|
||
",ovFpsAfter=" + (valid ? std::to_string(ovFpsAfter) : "INVALID") +
|
||
",locNonBlack=" + std::to_string(locNonBlack) +
|
||
",ovNonBlack=" + std::to_string(ovNonBlack) +
|
||
",valid=" + std::to_string(valid ? 1 : 0));
|
||
return valid ? 0 : 1;
|
||
}
|
||
|
||
// ============================================================================
|
||
// ② fps 预算：递增全分辨率(level0)窗口找「每帧体素预算」（Task 12d）
|
||
// ============================================================================
|
||
//
|
||
// 对递增的 level0 brick 列段（4,16,64,128,256 brick，可 --bricks 覆盖）各重组成
|
||
// 局部整卷 image 跑体绘制 fps，输出表 brick数/体素数/fps，找出 fps 跌破 30 的体素
|
||
// 阈值 = production LOD 每帧渲染的全分辨率块数上限。双闸防假帧率。
|
||
int cmdFpsBudget(int argc, char** argv) {
|
||
const Args a = parseArgs(argc, argv, 2);
|
||
if (a.positional.empty()) {
|
||
std::cerr << "用法: gpr_poc fps-budget <storeDir> [--frames 90] "
|
||
"[--bricks 4,16,64,128,256]\n";
|
||
return 2;
|
||
}
|
||
const std::string dir = a.positional[0];
|
||
const int frames = std::stoi(a.get("frames", "90"));
|
||
const double opacity = std::stod(a.get("opacity", "0.5"));
|
||
const double exagg = std::stod(a.get("exagg", "8"));
|
||
|
||
// 解析 brick 段列表（逗号分隔）。
|
||
std::vector<int> brickSteps;
|
||
{
|
||
const std::string raw = a.get("bricks", "4,16,64,128,256");
|
||
std::string cur;
|
||
for (char ch : raw) {
|
||
if (ch == ',') {
|
||
if (!cur.empty()) brickSteps.push_back(std::stoi(cur));
|
||
cur.clear();
|
||
} else {
|
||
cur.push_back(ch);
|
||
}
|
||
}
|
||
if (!cur.empty()) brickSteps.push_back(std::stoi(cur));
|
||
}
|
||
|
||
std::cout << "[fps-budget] storeDir=" << dir << " frames=" << frames << "\n";
|
||
std::cout << "[fps-budget] 离屏闸门复检...\n";
|
||
if (cmdOffscreenSmoke() != 0) {
|
||
std::cout << "[fps-budget] 闸门失败,中止,不产出 fps。\n";
|
||
return 1;
|
||
}
|
||
|
||
geopro::data::ChunkedVolumeStore store(dir);
|
||
const geopro::data::StoreMeta& m = store.meta();
|
||
const int totBx = store.bricksX(0);
|
||
const double vmin = m.vminPhys, vmax = m.vmaxPhys;
|
||
const geopro::core::ColorScale cs = makeStructuralColorScale(vmin, vmax);
|
||
|
||
std::cout << "[fps-budget] level0=" << m.nx << "x" << m.ny << "x" << m.nz
|
||
<< " 总 brick列=" << totBx << " brick=" << m.brick << "\n";
|
||
|
||
struct Row {
|
||
int bricks;
|
||
long long voxels;
|
||
double fps;
|
||
bool valid;
|
||
};
|
||
std::vector<Row> rows;
|
||
|
||
constexpr double kTargetFps = 30.0;
|
||
long long budgetVoxels = -1; // fps 跌破 30 前的最大体素数
|
||
int budgetBricks = -1;
|
||
long long firstBelowVoxels = -1;
|
||
int firstBelowBricks = -1;
|
||
|
||
auto capWin = vtkSmartPointer<CapturingOutputWindow>::New();
|
||
vtkOutputWindow::SetInstance(capWin);
|
||
|
||
for (int nb : brickSteps) {
|
||
const int localBx = std::min(nb, totBx);
|
||
if (localBx <= 0) continue;
|
||
const int bx0 = std::max(0, totBx / 2 - localBx / 2);
|
||
vtkSmartPointer<vtkImageData> img =
|
||
buildLocalLevel0Image(store, m, bx0, localBx);
|
||
int d[3];
|
||
img->GetDimensions(d);
|
||
const long long voxels =
|
||
static_cast<long long>(d[0]) * d[1] * d[2];
|
||
|
||
auto rw = makeOffscreenWindow(1024, 768);
|
||
vtkNew<vtkRenderer> ren;
|
||
ren->SetBackground(0.0, 0.0, 0.0);
|
||
rw->AddRenderer(ren);
|
||
vtkSmartPointer<vtkVolume> vol =
|
||
buildTunedVolume(img.Get(), m.quant, cs, vmin, vmax, opacity, exagg);
|
||
ren->AddVolume(vol);
|
||
|
||
const double fps = benchVolumeFps(rw.Get(), ren, frames);
|
||
// 双闸：纹理无错 + 该段渲出非空像素。
|
||
ren->ResetCamera();
|
||
rw->Render();
|
||
const vtkIdType nonBlack = countNonBlackPixels(rw.Get(), 1024, 768);
|
||
const bool valid = !capWin->textureError() && nonBlack > 0;
|
||
|
||
rows.push_back({localBx, voxels, fps, valid});
|
||
std::cout << "[fps-budget] brick=" << localBx << " (" << d[0] << "x" << d[1]
|
||
<< "x" << d[2] << ") 体素=" << voxels << " fps="
|
||
<< (valid ? std::to_string(fps) : "INVALID")
|
||
<< " 非空=" << nonBlack << "\n";
|
||
|
||
if (valid) {
|
||
if (fps >= kTargetFps) {
|
||
if (voxels > budgetVoxels) {
|
||
budgetVoxels = voxels;
|
||
budgetBricks = localBx;
|
||
}
|
||
} else if (firstBelowVoxels < 0) {
|
||
firstBelowVoxels = voxels;
|
||
firstBelowBricks = localBx;
|
||
}
|
||
}
|
||
}
|
||
|
||
const bool textureErr = capWin->textureError();
|
||
vtkOutputWindow::SetInstance(nullptr);
|
||
const double peak = Probe::peakMemMB();
|
||
|
||
std::cout << "\n=== fps-budget 每帧体素预算表 ===\n";
|
||
std::cout << "| brick段 | 维度体素数 | 体绘制 fps | ≥30 |\n";
|
||
std::cout << "|---|---|---|---|\n";
|
||
for (const auto& r : rows) {
|
||
std::cout << "| " << r.bricks << " | " << r.voxels << " | "
|
||
<< (r.valid ? std::to_string(r.fps) : std::string("INVALID"))
|
||
<< " | " << (r.valid && r.fps >= kTargetFps ? "是" : "否")
|
||
<< " |\n";
|
||
}
|
||
std::cout << "\n每帧体素预算(fps≥30 上限) : "
|
||
<< (budgetVoxels >= 0 ? std::to_string(budgetVoxels) +
|
||
" 体素 (" + std::to_string(budgetBricks) +
|
||
" brick列)"
|
||
: std::string("未触达(所有测点均 ≥30)"))
|
||
<< "\n";
|
||
std::cout << "首个跌破 30 的窗口 : "
|
||
<< (firstBelowVoxels >= 0
|
||
? std::to_string(firstBelowVoxels) + " 体素 (" +
|
||
std::to_string(firstBelowBricks) + " brick列)"
|
||
: std::string("无(测点未跌破; 需更大 --bricks)"))
|
||
<< "\n";
|
||
std::cout << "纹理维度错误 : " << (textureErr ? "是(!!)" : "否")
|
||
<< "\n";
|
||
std::cout << "进程峰值内存(MB) : " << peak << "\n";
|
||
|
||
// 落 last-metrics + 追加写 poc-results-C.md。
|
||
for (const auto& r : rows) {
|
||
writeMetricLine(
|
||
"fps-budget,dir=" + dir + ",bricks=" + std::to_string(r.bricks) +
|
||
",voxels=" + std::to_string(r.voxels) +
|
||
",fps=" + (r.valid ? std::to_string(r.fps) : "INVALID") +
|
||
",valid=" + std::to_string(r.valid ? 1 : 0));
|
||
}
|
||
|
||
{
|
||
const fs::path repo =
|
||
fs::path("docs") / "superpowers" / "plans" / "poc-results-C.md";
|
||
fs::create_directories(repo.parent_path());
|
||
std::ofstream rf(repo.string(), std::ios::app);
|
||
if (rf) {
|
||
rf << "\n\n# POC-C fps 预算探针结果（Task 12d ②）\n\n";
|
||
rf << "金字塔 store: " << dir << "（level0=" << m.nx << "x" << m.ny << "x"
|
||
<< m.nz << "，brick=" << m.brick << "）\n\n";
|
||
rf << "递增 level0 局部窗口（沿线中段 brick 列）体绘制 fps：\n\n";
|
||
rf << "| brick段 | 体素数 | 体绘制 fps | ≥30fps |\n|---|---|---|---|\n";
|
||
for (const auto& r : rows) {
|
||
rf << "| " << r.bricks << " | " << r.voxels << " | "
|
||
<< (r.valid ? std::to_string(r.fps) : "INVALID") << " | "
|
||
<< (r.valid && r.fps >= kTargetFps ? "是" : "否") << " |\n";
|
||
}
|
||
rf << "\n- **每帧体素预算（fps≥30 上限）**: "
|
||
<< (budgetVoxels >= 0
|
||
? std::to_string(budgetVoxels) + " 体素（" +
|
||
std::to_string(budgetBricks) + " brick 列）"
|
||
: "未触达，所有测点 ≥30fps")
|
||
<< "\n";
|
||
rf << "- 首个跌破 30 的窗口: "
|
||
<< (firstBelowVoxels >= 0
|
||
? std::to_string(firstBelowVoxels) + " 体素（" +
|
||
std::to_string(firstBelowBricks) + " brick 列）"
|
||
: "无（需更大 --bricks 段触达天花板）")
|
||
<< "\n";
|
||
rf << "- 双闸：纹理维度错误=" << (textureErr ? "是" : "否")
|
||
<< "；每段均按非空像素校验。\n";
|
||
rf << "- production LOD 应把【每帧渲染的全分辨率块】卡在此预算以内。\n";
|
||
rf << "- **本机 RTX 3060 上限数；最低配需用户在目标机跑 fps-budget/view。**\n";
|
||
}
|
||
std::cout << "[fps-budget] 报告追加写入 " << repo.string() << "\n";
|
||
}
|
||
|
||
return textureErr ? 1 : 0;
|
||
}
|
||
|
||
// ============================================================================
|
||
// ③ view：真窗口可交互（给用户肉眼测 + 最低配机跑）（Task 12d）
|
||
// ============================================================================
|
||
//
|
||
// 真 vtkRenderWindow + vtkRenderWindowInteractor(TrackballCamera)，挂
|
||
// OutOfCoreSource：相机变化时 source.update(camera) 重选 LOD/视野块再渲（确保
|
||
// 拖动/缩放时 LOD 真切换）；屏幕左上角 vtkTextActor 实时显示 fps + 当前 level。
|
||
// 默认取景对准局部段 + 默认垂向夸张/不透明度（同 ①）。
|
||
//
|
||
// 离屏 smoke：--smoke 时不开真窗口，只离屏建管线 + 渲一帧 + 验非空像素，确保不崩。
|
||
|
||
// 整卷单张 3D 纹理的轴上限（同 renderLOD/renderB 实测 GL_MAX_3D_TEXTURE_SIZE）。
|
||
constexpr int kViewMax3DTex = 16384;
|
||
|
||
// view 的每帧回调共享状态（挂到 interactor 的 EndInteraction/Timer/Render 上）。
|
||
struct ViewState {
|
||
geopro::render::OutOfCoreSource* src = nullptr;
|
||
geopro::data::ChunkedVolumeStore* store = nullptr; // 整卷粗层渲染走它
|
||
vtkMultiBlockVolumeMapper* mapper = nullptr;
|
||
vtkCamera* cam = nullptr;
|
||
vtkTextActor* fpsText = nullptr;
|
||
vtkRenderWindow* rw = nullptr;
|
||
Stopwatch frameTimer;
|
||
double exagg = 8.0;
|
||
int lastLevel = -1;
|
||
// 整卷粗层 image 缓存（按 level 缓存，避免每帧重组整卷）。
|
||
int cachedWholeLevel = -1;
|
||
vtkSmartPointer<vtkImageData> cachedWholeImg;
|
||
};
|
||
|
||
// 某 level 整卷各轴是否都 ≤16384（可成单张 3D 纹理 → 整卷单 mapper 渲染）。
|
||
bool levelFitsSingleTexture(const geopro::data::ChunkedVolumeStore& store,
|
||
int level) {
|
||
int nx = 0, ny = 0, nz = 0;
|
||
store.dims(level, nx, ny, nz);
|
||
return nx <= kViewMax3DTex && ny <= kViewMax3DTex && nz <= kViewMax3DTex;
|
||
}
|
||
|
||
// 给定相机选中的 level，返回真正用于整卷渲染的 level：从 picked 起向粗逐层找，
|
||
// 取第一个整卷各轴 ≤16384 的层（如 level0/1 长线 X 超 16384，则升到 level2）。
|
||
// 找不到（极端情况）返回 -1，调用方退回分块路径。
|
||
int wholeVolumeLevelFor(const geopro::data::ChunkedVolumeStore& store,
|
||
int picked) {
|
||
const int maxLevel = store.levels() - 1;
|
||
for (int lv = std::max(0, picked); lv <= maxLevel; ++lv) {
|
||
if (levelFitsSingleTexture(store, lv)) {
|
||
return lv;
|
||
}
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
// 用 source 当前工作集刷新 mapper 输入。返回喂给 mapper 的块数。
|
||
//
|
||
// 策略（同 12c renderLOD 已验，修概览空窗）：
|
||
// - 概览/中远视角（相机选中粗层）→ 升到最细的“整卷各轴 ≤16384”层，整卷重组成
|
||
// 单张 image 单块喂 mapper（忽略 budget，粗层本就小），任何缩放都显示完整体，
|
||
// 不再是 budget 砍后 9% 稀疏。本数据 level0/1 的 X(44476/22238)>16384 → 升 level2。
|
||
// - 只有拉近到要全分辨率（相机选中 level0，X=44476 无法成单纹理）→ 退回分块 +
|
||
// budget 路径（核外 LRU 驻留，只渲视野内子区域）。
|
||
std::size_t viewRefreshBlocks(ViewState* st) {
|
||
// 先让 source 按相机选好 LOD（同时刷新 lastLevel/视野统计供 fps 文本用）。
|
||
st->src->update(st->cam);
|
||
const int picked = st->src->lastLevel();
|
||
|
||
// 仅当相机选中 level0（最近、要全分辨率）才分块；其余（概览/中远）整卷渲染。
|
||
if (st->store != nullptr && picked > 0) {
|
||
const int wlv = wholeVolumeLevelFor(*st->store, picked);
|
||
if (wlv >= 0) {
|
||
// 整卷粗层：按 level 缓存整卷 image，仅在 level 变化时重组。
|
||
if (st->cachedWholeLevel != wlv || st->cachedWholeImg == nullptr) {
|
||
st->cachedWholeImg =
|
||
buildLevelImage(*st->store, wlv, st->store->meta());
|
||
st->cachedWholeLevel = wlv;
|
||
}
|
||
std::vector<vtkSmartPointer<vtkImageData>> one{st->cachedWholeImg};
|
||
auto mb = makeMultiBlock(one);
|
||
st->mapper->SetInputDataObject(mb);
|
||
st->mapper->Update();
|
||
return one.size();
|
||
}
|
||
}
|
||
|
||
// 全分辨率长线：分块 + budget。
|
||
auto imgs = st->src->currentImages();
|
||
auto mb = makeMultiBlock(imgs);
|
||
st->mapper->SetInputDataObject(mb);
|
||
st->mapper->Update();
|
||
return imgs.size();
|
||
}
|
||
|
||
// interactor 回调：每次交互(旋转/缩放)结束后重选 LOD + 刷新 fps 文本。
|
||
void viewOnInteract(vtkObject*, unsigned long, void* clientData, void*) {
|
||
auto* st = static_cast<ViewState*>(clientData);
|
||
const double frameMs = st->frameTimer.elapsedMs();
|
||
const std::size_t blocks = viewRefreshBlocks(st);
|
||
const int lvl = st->src->lastLevel();
|
||
const double fps = frameMs > 0 ? 1000.0 / frameMs : 0.0;
|
||
|
||
char buf[256];
|
||
std::snprintf(buf, sizeof(buf),
|
||
"fps: %.1f | LOD level: %d | blocks: %zu | exagg: %.0fx",
|
||
fps, lvl, blocks, st->exagg);
|
||
st->fpsText->SetInput(buf);
|
||
st->lastLevel = lvl;
|
||
st->rw->Render();
|
||
st->frameTimer.reset();
|
||
}
|
||
|
||
int cmdView(int argc, char** argv) {
|
||
const Args a = parseArgs(argc, argv, 2);
|
||
if (a.positional.empty()) {
|
||
std::cerr << "用法: gpr_poc view <storeDir> [--exagg 8] [--opacity 0.5] "
|
||
"[--budget 64] [--smoke]\n";
|
||
return 2;
|
||
}
|
||
const std::string dir = a.positional[0];
|
||
const double exagg = std::stod(a.get("exagg", "8"));
|
||
const double opacity = std::stod(a.get("opacity", "0.5"));
|
||
const std::size_t budget =
|
||
static_cast<std::size_t>(std::stoul(a.get("budget", "64")));
|
||
const bool smoke = a.kv.count("smoke") > 0 ||
|
||
std::find(a.positional.begin(), a.positional.end(),
|
||
"--smoke") != a.positional.end();
|
||
std::cout << "[view] storeDir=" << dir << " exagg=" << exagg
|
||
<< " opacity=" << opacity << " budget=" << budget
|
||
<< (smoke ? " [SMOKE 离屏]" : " [真窗口交互]") << "\n";
|
||
|
||
const int winW = 1280, winH = 800;
|
||
|
||
// 核外源（读 meta + 建 pager，不载整卷）。
|
||
geopro::render::OutOfCoreSource src(dir, budget);
|
||
// 整卷粗层渲染另开 store（粗层各轴 ≤16384 时整卷单 mapper 渲，绕过 budget 稀疏）。
|
||
geopro::data::ChunkedVolumeStore store(dir);
|
||
const auto& m = src.meta();
|
||
src.setAspect(static_cast<double>(winW) / winH);
|
||
const double vmin = m.vminPhys, vmax = m.vmaxPhys;
|
||
const geopro::core::ColorScale cs = makeStructuralColorScale(vmin, vmax);
|
||
vtkSmartPointer<vtkVolumeProperty> prop =
|
||
makeTunedVolumeProperty(m.quant, cs, vmin, vmax, opacity);
|
||
|
||
// 渲染窗口：smoke 走离屏，否则真窗口。
|
||
vtkSmartPointer<vtkRenderWindow> rw;
|
||
if (smoke) {
|
||
rw = makeOffscreenWindow(winW, winH);
|
||
} else {
|
||
rw = vtkSmartPointer<vtkRenderWindow>::New();
|
||
rw->SetSize(winW, winH);
|
||
rw->SetWindowName("gpr_poc view —— 核外 LOD 体绘制 (滚轮缩放切 LOD, 左键旋转)");
|
||
}
|
||
|
||
vtkNew<vtkRenderer> ren;
|
||
ren->SetBackground(0.04, 0.04, 0.08);
|
||
rw->AddRenderer(ren);
|
||
|
||
vtkNew<vtkMultiBlockVolumeMapper> mapper;
|
||
mapper->SetRequestedRenderMode(vtkSmartVolumeMapper::GPURenderMode);
|
||
|
||
auto volume = vtkSmartPointer<vtkVolume>::New();
|
||
volume->SetMapper(mapper);
|
||
volume->SetProperty(prop);
|
||
volume->SetScale(1.0, exagg, exagg); // 垂向夸张（同 ①）
|
||
ren->AddVolume(volume);
|
||
|
||
// 屏幕左上角实时 fps 文本。
|
||
vtkNew<vtkTextActor> fpsText;
|
||
fpsText->SetInput("fps: -- | LOD level: --");
|
||
fpsText->GetTextProperty()->SetFontSize(20);
|
||
fpsText->GetTextProperty()->SetColor(1.0, 1.0, 0.4);
|
||
fpsText->SetDisplayPosition(12, winH - 30);
|
||
ren->AddViewProp(fpsText);
|
||
|
||
// 捕获式 OutputWindow（拦截块上传纹理错）。
|
||
auto capWin = vtkSmartPointer<CapturingOutputWindow>::New();
|
||
vtkOutputWindow::SetInstance(capWin);
|
||
|
||
ViewState st;
|
||
st.src = &src;
|
||
st.store = &store;
|
||
st.mapper = mapper.Get();
|
||
st.fpsText = fpsText.Get();
|
||
st.rw = rw.Get();
|
||
st.exagg = exagg;
|
||
|
||
// 相机初始定向：先框整体选出工作集，再 ResetCamera 到工作集包围盒（同 renderC）。
|
||
ren->ResetCamera(m.origin[0], m.origin[0] + m.nx * m.spacing[0],
|
||
m.origin[1], m.origin[1] + m.ny * m.spacing[1] * exagg,
|
||
m.origin[2], m.origin[2] + m.nz * m.spacing[2] * exagg);
|
||
st.cam = ren->GetActiveCamera();
|
||
|
||
const std::size_t warm = viewRefreshBlocks(&st);
|
||
{
|
||
double b[6];
|
||
mapper->GetBounds(b);
|
||
if (b[0] <= b[1]) {
|
||
// 工作集包围盒需按 exagg 缩放后再框（actor 已 SetScale）。
|
||
ren->ResetCamera();
|
||
}
|
||
}
|
||
st.cam->Elevation(25.0);
|
||
st.cam->Azimuth(25.0);
|
||
ren->ResetCameraClippingRange();
|
||
rw->Render();
|
||
|
||
std::cout << "[view] 预热: level=" << src.lastLevel() << " 视野块="
|
||
<< src.lastVisibleCount() << "/" << src.lastLevelBrickTotal()
|
||
<< " 驻留=" << src.residentCount() << " 渲染块=" << warm << "\n";
|
||
|
||
const vtkIdType nonBlack = countNonBlackPixels(rw.Get(), winW, winH);
|
||
const bool textureErr = capWin->textureError();
|
||
const bool renderedOk = !textureErr && nonBlack > 0;
|
||
|
||
if (smoke) {
|
||
// 离屏 smoke：模拟一次缩放 → 验 LOD 切换 + 不崩。
|
||
const int lvlNear = src.lastLevel();
|
||
st.cam->Dolly(0.2); // 拉远 → 期望切粗 LOD
|
||
ren->ResetCameraClippingRange();
|
||
const std::size_t blocksFar = viewRefreshBlocks(&st);
|
||
const int lvlFar = src.lastLevel();
|
||
rw->Render();
|
||
st.cam->Dolly(8.0); // 拉近 → 期望切细 LOD
|
||
ren->ResetCameraClippingRange();
|
||
viewRefreshBlocks(&st);
|
||
const int lvlNear2 = src.lastLevel();
|
||
rw->Render();
|
||
const vtkIdType nb2 = countNonBlackPixels(rw.Get(), winW, winH);
|
||
|
||
vtkOutputWindow::SetInstance(nullptr);
|
||
const bool lodSwitched = (lvlFar != lvlNear) || (lvlNear2 != lvlFar);
|
||
const bool ok = renderedOk && nb2 > 0 && !capWin->textureError();
|
||
std::cout << "\n=== view --smoke 离屏冒烟 ===\n";
|
||
std::cout << "近观 level=" << lvlNear << " → 拉远 level=" << lvlFar
|
||
<< " → 再拉近 level=" << lvlNear2 << "\n";
|
||
std::cout << "LOD 随缩放切换 : " << (lodSwitched ? "是 ✔" : "否(测点档位未跨界)")
|
||
<< " (blocksFar=" << blocksFar << ")\n";
|
||
std::cout << "纹理维度错误 : " << (textureErr ? "是(!!)" : "否") << "\n";
|
||
std::cout << "渲出非空像素 : " << (renderedOk ? "是" : "否(!!)")
|
||
<< " (近=" << nonBlack << " 远拉近=" << nb2 << ")\n";
|
||
std::cout << "smoke 结果 : " << (ok ? "OK ✔ 不崩" : "FAIL ✘") << "\n";
|
||
return ok ? 0 : 1;
|
||
}
|
||
|
||
vtkOutputWindow::SetInstance(nullptr);
|
||
if (!renderedOk) {
|
||
std::cout << "[view] 警告: 首帧未渲出非空像素(纹理错=" << textureErr
|
||
<< ")；窗口仍开,供人工排查。\n";
|
||
}
|
||
|
||
// 真窗口交互：TrackballCamera + 每次交互结束重选 LOD + 刷 fps 文本。
|
||
vtkNew<vtkRenderWindowInteractor> iren;
|
||
iren->SetRenderWindow(rw);
|
||
vtkNew<vtkInteractorStyleTrackballCamera> style;
|
||
iren->SetInteractorStyle(style);
|
||
|
||
vtkNew<vtkCallbackCommand> cb;
|
||
cb->SetCallback(viewOnInteract);
|
||
cb->SetClientData(&st);
|
||
// EndInteraction：旋转/缩放松手后重选 LOD（保证 LOD 真切换 + fps 刷新）。
|
||
iren->AddObserver(vtkCommand::EndInteractionEvent, cb);
|
||
// 每帧 Render 后也更新一次 fps 文本（连续拖动时实时反馈）。
|
||
rw->AddObserver(vtkCommand::EndEvent, cb);
|
||
|
||
std::cout << "[view] 打开真窗口。左键旋转 / 滚轮缩放(切 LOD) / q 退出。\n";
|
||
st.frameTimer.reset();
|
||
iren->Initialize();
|
||
rw->Render();
|
||
iren->Start();
|
||
|
||
std::cout << "[view] 窗口关闭，退出。\n";
|
||
return 0;
|
||
}
|
||
|
||
void usage() {
|
||
std::cerr << "gpr_poc —— POC-B headless 度量 CLI\n"
|
||
" gpr_poc build <dir> [--line 001] [--cellXY 0.2] "
|
||
"[--cellZ 0.05] [--out <storeDir>] [--levels 2]\n"
|
||
" gpr_poc load <storeDir>\n"
|
||
" gpr_poc selftest\n"
|
||
" gpr_poc offscreen-smoke\n"
|
||
" gpr_poc renderB <storeDir> [--frames 120]\n"
|
||
" gpr_poc renderC <storeDir> [--budget 64] [--frames 120]\n"
|
||
" gpr_poc renderC-partitioned <storeDir> [--frames 120]\n"
|
||
" gpr_poc renderLOD <storeDir> [--frames 120]\n"
|
||
" gpr_poc tune <storeDir> [--opacity 0.5] [--exagg 8] "
|
||
"[--frames 120] [--localBricks 4]\n"
|
||
" gpr_poc fps-budget <storeDir> [--frames 90] "
|
||
"[--bricks 4,16,64,128,256]\n"
|
||
" gpr_poc view <storeDir> [--exagg 8] [--opacity 0.5] "
|
||
"[--budget 64] [--smoke]\n";
|
||
}
|
||
|
||
} // namespace
|
||
|
||
int main(int argc, char** argv) {
|
||
#ifdef _WIN32
|
||
// Windows 控制台默认 GBK，会把 UTF-8 中文输出显示为乱码。设为 UTF-8 码页修复。
|
||
SetConsoleOutputCP(CP_UTF8);
|
||
#endif
|
||
if (argc < 2) {
|
||
usage();
|
||
return 2;
|
||
}
|
||
const std::string cmd = argv[1];
|
||
try {
|
||
if (cmd == "build") return cmdBuild(argc, argv);
|
||
if (cmd == "load") return cmdLoad(argc, argv);
|
||
if (cmd == "selftest") return cmdSelftest();
|
||
if (cmd == "offscreen-smoke") return cmdOffscreenSmoke();
|
||
if (cmd == "renderB") return cmdRenderB(argc, argv);
|
||
if (cmd == "renderC") return cmdRenderC(argc, argv);
|
||
if (cmd == "renderC-partitioned")
|
||
return cmdRenderCPartitioned(argc, argv);
|
||
if (cmd == "renderLOD") return cmdRenderLOD(argc, argv);
|
||
if (cmd == "tune") return cmdTune(argc, argv);
|
||
if (cmd == "fps-budget") return cmdFpsBudget(argc, argv);
|
||
if (cmd == "view") return cmdView(argc, argv);
|
||
} catch (const std::exception& e) {
|
||
std::cerr << "错误: " << e.what() << "\n";
|
||
return 1;
|
||
}
|
||
usage();
|
||
return 2;
|
||
}
|