From e15930d8fb37e55d6454cf07d634662c6ea5752f Mon Sep 17 00:00:00 2001
From: gaozheng <gaozheng.cn@gmail.com>
Date: Wed, 17 Jun 2026 15:30:59 +0800
Subject: [PATCH] =?UTF-8?q?fix(vtk):=20=E6=B2=BB=E9=A6=96=E5=B8=A7?=
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---
 src/app/VtkSceneView.cpp | 4 ++++
 src/app/VtkSceneView.hpp | 3 +++
 src/app/main.cpp         | 2 ++
 3 files changed, 9 insertions(+)

diff --git a/src/app/VtkSceneView.cpp b/src/app/VtkSceneView.cpp
index 5893001..e335d4b 100644
--- a/src/app/VtkSceneView.cpp
+++ b/src/app/VtkSceneView.cpp
@@ -188,11 +188,13 @@ void VtkSceneView::applyCameraView(geopro::controller::ViewDir dir) {
         scene_.renderer()->ResetCamera(bounds);  // 重新取景到数据(否则被~公里级底图推到超远)
     scene_.renderer()->ResetCameraClippingRange();  // 裁剪面含底图
     if (renderWindow_) renderWindow_->Render();
+    if (onCameraChanged) onCameraChanged();  // 相机变了 → 底图按新视锥重算覆盖
 }
 
 void VtkSceneView::zoom(double factor) {
     geopro::render::zoomBy(scene_.renderer(), factor);
     if (renderWindow_) renderWindow_->Render();
+    if (onCameraChanged) onCameraChanged();
 }
 
 void VtkSceneView::fitView() {
@@ -203,6 +205,7 @@ void VtkSceneView::fitView() {
         geopro::render::fitView(scene_.renderer());
     scene_.renderer()->ResetCameraClippingRange();  // 裁剪面含底图 → 不被"蒙版"切掉
     if (renderWindow_) renderWindow_->Render();
+    if (onCameraChanged) onCameraChanged();  // 取景后 → 底图按新视锥重算覆盖(治首帧部分瓦片不出)
 }
 
 void VtkSceneView::rebuildAxes() {
@@ -246,6 +249,7 @@ void VtkSceneView::render(bool is2D) {
         scene_.renderer()->ResetCamera();
     scene_.renderer()->ResetCameraClippingRange();  // 裁剪面含底图 → 不被"蒙版"切掉
     if (renderWindow_) renderWindow_->Render();
+    if (onCameraChanged) onCameraChanged();  // 取景后 → 底图按新视锥重算覆盖
 }
 
 void VtkSceneView::renderIncremental() {
diff --git a/src/app/VtkSceneView.hpp b/src/app/VtkSceneView.hpp
index ae67e60..615947d 100644
--- a/src/app/VtkSceneView.hpp
+++ b/src/app/VtkSceneView.hpp
@@ -62,6 +62,9 @@ public:
     // frame 原点重锚（首个带经纬剖面到达）后回调，供底图等随之刷新到数据所在位置。
     std::function<void()> onFrameReanchored;
 
+    // 相机程序化变化(取景/预设/缩放)后回调，供底图按新视锥重算覆盖(否则首帧部分瓦片要手动微动才出)。
+    std::function<void()> onCameraChanged;
+
 private:
     // 按当前坐标轴设置 + 场景包围盒重建坐标轴 prop（render 末尾调）。
     void rebuildAxes();
diff --git a/src/app/main.cpp b/src/app/main.cpp
index 2892f5a..75345f2 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -412,6 +412,8 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
     sceneView->onFrameReanchored = [basemap, basemapKind]() {
         if (*basemapKind != geopro::app::TileBasemap::Hidden) basemap->show(*basemapKind);
     };
+    // 相机程序化变化(取景/预设/缩放)后，底图按新视锥重算覆盖(治首帧部分瓦片需手动微动才出)。
+    sceneView->onCameraChanged = [basemap]() { basemap->refresh(); };
 
     // ── 中央“空状态”引导浮层：未接入真实 sections 时，引导首次使用者从左侧入手。──
     // 透明背景 + 鼠标穿透（不挡 QVTK 交互）；CenterOverlay 随视口尺寸保持居中；