diff --git a/src/app/CMakeLists.txt b/src/app/CMakeLists.txt
index 6a640e5..8f01088 100644
--- a/src/app/CMakeLists.txt
+++ b/src/app/CMakeLists.txt
@@ -79,8 +79,6 @@ add_executable(geopro_desktop WIN32
   panels/chart/ScatterMarqueePicker.cpp
   panels/chart/ContourDrawTool.cpp
   panels/columns/Column2DDataset.cpp
-  panels/columns/Column3DDataset.cpp
-  panels/columns/Column3DAnalysis.cpp
   panels/columns/CategorySection.cpp
   panels/columns/CategoryAnalysisTab.cpp
   panels/columns/DateRangeEdit.cpp
diff --git a/src/app/main.cpp b/src/app/main.cpp
index 33d9bec..f10779d 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -143,9 +143,7 @@
 #include "AxesSettingsDialog.hpp"
 #include "AxesSettingsPanel.hpp"
 #include "repo/DatasetFieldDictionary.hpp"
-#include "panels/columns/Column3DDataset.hpp"
 #include "panels/columns/Column2DDataset.hpp"
-#include "panels/columns/Column3DAnalysis.hpp"
 
 #include "CameraPreset.hpp"
 #include "ColorLutBuilder.hpp"
@@ -424,30 +422,14 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
         }
     };
 
-    // 异常刷新渲染 + 填充三维分析栏异常列表（#4b/4c）：按显示过滤档位决定异常集合。
-    //   0 全部显示=所有异常；1 随GS/2 随数据集=当前活动体的异常；3 全部隐藏=不渲染、列表空。
-    //   （随GS 暂同随数据集，无 GS 分组数据。loadAnomalyTree 空 key→全部，非空→该体。mock 同步回调。）
-    auto refreshAnomalies = [sceneView, scene3dRepo, drawer, renderWindowPtr]() {
+    // 异常刷新渲染（#4b/4c）：恒「全部显示」——旧三维分析栏的过滤档位 UI 已退役，新分段 tab 暂无档位
+    //   控件（功能缺失，待补）。异常列表由 refreshAnalysis 经 voxelTree 全量注入三维体段，此处只管渲染。
+    //   （loadAnomalyTree 空 key=全部。mock 同步回调。）
+    auto refreshAnomalies = [sceneView, scene3dRepo, renderWindowPtr]() {
         sceneView->clearAnomalies();
-        auto* ca = drawer->colAnalysis();
-        const int mode = ca->anomalyFilterMode();
-        if (mode == 3) {  // 全部隐藏
-            ca->setAnomalies({});
-            renderWindowPtr->Render();
-            return;
-        }
-        std::string key;  // 空 = 全部
-        if (mode != 0) {  // 随GS/随数据集 → 当前活动体
-            key = sceneView->currentVolumeDsId();
-            if (key.empty()) {  // 无活动体 → 空
-                ca->setAnomalies({});
-                renderWindowPtr->Render();
-                return;
-            }
-        }
         std::vector<geopro::core::Anomaly> set;
         scene3dRepo->loadAnomalyTree(
-            key,
+            std::string{},  // 空 key = 全部
             [&set](geopro::data::I3dSceneRepository::AnomalyTree tree) {
                 for (auto& b : tree.bodies)
                     for (auto& a : b.members) set.push_back(a);
@@ -455,8 +437,7 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
             },
             [](const std::string&) {});
         for (const auto& a : set) sceneView->addAnomaly(a);
-        ca->setAnomalies(set);     // 填充列表（每条显隐勾选默认显示）
-        renderWindowPtr->Render();  // 必须重绘：clear+addAnomaly 改了 prop，否则 VTK 不刷新(与列表脱节)
+        renderWindowPtr->Render();  // 必须重绘：clear+addAnomaly 改了 prop，否则 VTK 不刷新
     };
 
     // 体素变化（重建/清场）后把体素 image 推给 InteractionManager（切片基底），并调和已保存切片 + 异常。
@@ -471,9 +452,7 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
         refreshAnomalies();   // 同步重载异常 actor + 刷新异常列表
     };
 
-    // ── 三栏抽屉信号 → 控制器/交互（Task 7 接线）──────────────────────────────
-    auto* c3 = drawer->col3D();
-
+    // ── 抽屉信号 → 控制器/交互（Task 7/12 接线）──────────────────────────────
     // 三维分析栏 = 后端 Analysis 行(dd_slice) + 客户端创建的三维体（mock）。生成的三维体是"分析产物"
     //   （设计 §2.1：三维分析栏按 对象/三维体模型/切片 三级树），归三维分析栏（非数据集栏）。
     //   后端列表每次勾选测线全量覆盖，故客户端体单独维护、刷新时合并注入（不被冲掉）。
@@ -629,11 +608,10 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
                 if (!ok) return;
                 scene3dRepo->createSlice(
                     spec, name.isEmpty() ? std::string("切片") : name.toStdString(),
-                    [interactionMgr, refreshAnalysis, drawer](std::string newId) {
+                    [interactionMgr, refreshAnalysis](std::string newId) {
                         interactionMgr->tagSelectedSlice(newId);  // 链接当前切片 → 新数据集（不重绘）
                         refreshAnalysis();                         // 新行进列表（勾选集不变→不发多余信号）
-                        drawer->colAnalysis()->setItemChecked(QString::fromStdString(newId),
-                                                              true);  // 自动展开+勾选(syncSlices 去重)
+                        // TODO：新分段 tab 暂无 setItemChecked，新切片列表默认未勾（已渲染但列表不打勾，待补）。
                     },
                     [&window](const std::string& m) {
                         QMessageBox::warning(&window, QStringLiteral("保存切片"),
@@ -669,25 +647,8 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
             }
         };
 
-    // 关闭已保存切片(VTK 视图「关闭」) → 取消三维分析栏对应勾选（场景↔列表双向同步）。
-    interactionMgr->onSliceClosed = [drawer](const std::string& dsId) {
-        drawer->colAnalysis()->setItemChecked(QString::fromStdString(dsId), false);
-    };
-
-    QObject::connect(c3, &geopro::app::Column3DDataset::axesModeChanged, sceneCtrl,
-                     &geopro::controller::VtkSceneController::setAxesMode);
-    QObject::connect(c3, &geopro::app::Column3DDataset::axesUnitChanged, sceneCtrl,
-                     &geopro::controller::VtkSceneController::setAxesUnit);
-    QObject::connect(c3, &geopro::app::Column3DDataset::verticalExaggerationChanged, sceneCtrl,
-                     &geopro::controller::VtkSceneController::setVerticalExaggeration);
-    QObject::connect(c3, &geopro::app::Column3DDataset::viewRequested, sceneCtrl,
-                     &geopro::controller::VtkSceneController::applyView);
-    QObject::connect(c3, &geopro::app::Column3DDataset::zoomInRequested, sceneCtrl,
-                     &geopro::controller::VtkSceneController::zoomIn);
-    QObject::connect(c3, &geopro::app::Column3DDataset::zoomOutRequested, sceneCtrl,
-                     &geopro::controller::VtkSceneController::zoomOut);
-    QObject::connect(c3, &geopro::app::Column3DDataset::fitRequested, sceneCtrl,
-                     &geopro::controller::VtkSceneController::fit);
+    // TODO：关闭已保存切片(VTK「关闭」)时同步取消列表勾选——旧三维分析栏退役后，新分段 tab 暂无
+    //   setItemChecked，场景→列表的取消勾选同步暂缺（actor 已移除，仅列表打勾态不同步，待补）。
 
     // ── VTK 画布工具条（Task 12 §9）：全局视图控制 → sceneCtrl ──────────────────
     QObject::connect(viewToolbar, &geopro::app::VtkViewToolbar::viewRequested, sceneCtrl,
@@ -712,13 +673,6 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
                      });
     QObject::connect(axesPanel, &geopro::app::AxesSettingsPanel::closed, &window,
                      [axesPanel]() { axesPanel->hide(); });
-    // 三维数据集栏勾选（反演剖面）→ 并入渲染勾选集（剖面走帘面路径）。
-    QObject::connect(c3, &geopro::app::Column3DDataset::checkedDatasetsChanged, sceneCtrl,
-                     [checkedProfiles, pushChecked](const QStringList& ids) {
-                         *checkedProfiles = ids;
-                         pushChecked();
-                     });
-
     // ── 三维分析 tab（5 段）信号接线（Task 12）──────────────────────────────────
     auto* analysisTab = drawer->analysisTab();
     // 5 段勾选并集 → 按类型分流渲染：反演剖面→帘面(checkedProfiles)；三维体→体素(checkedAnalysis)；
@@ -817,62 +771,12 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
                          else if (ddCode == QStringLiteral("dd_anomaly"))
                              scene3dRepo->deleteAnomaly(id, ok, err);
                      });
-    // O点位置/字体本期 stub（TODO P4：弹框）。
-    QObject::connect(c3, &geopro::app::Column3DDataset::oPointClicked, vtkWidget,
-                     []() { /* TODO P4: O点位置弹框 */ });
-    QObject::connect(c3, &geopro::app::Column3DDataset::fontClicked, vtkWidget,
-                     []() { /* TODO P4: 字体弹框 */ });
-    // （旧三维数据集栏「生成三维体」接线已退役——改由 analysisTab::generateVolumeRequested 走新对话框。）
-
-    auto* ca = drawer->colAnalysis();
-    // 三维分析栏勾选（三维体/切片）：体走控制器体素路径；切片(dd_slice)不进控制器(否则 loadSection
-    //   会对 slice id 失败)，单独经 syncSlices 在父体上还原渲染。
-    QObject::connect(ca, &geopro::app::Column3DAnalysis::checkedItemsChanged, sceneCtrl,
-                     [checkedAnalysis, pushChecked, checkedSliceIds, syncSlices,
-                      scene3dRepo](const QStringList& ids) {
-                         QStringList nonSlice;
-                         checkedSliceIds->clear();
-                         for (const QString& id : ids) {
-                             const std::string s = id.toStdString();
-                             if (scene3dRepo->isSliceDataset(s))
-                                 checkedSliceIds->insert(s);
-                             else
-                                 nonSlice << id;
-                         }
-                         *checkedAnalysis = nonSlice;
-                         pushChecked();   // 体/其它 → 控制器（增删图元，可能触发 onVolumeChanged→syncSlices）
-                         syncSlices();    // 切片勾选变化即时调和（父体已在场时立即显隐）
-                     });
+    // （O点位置/字体、旧栏「生成三维体」「勾选→渲染」接线均已退役——分别由 analysisTab 的
+    //   generateVolumeRequested / checkedDatasetsChanged 接管。）
     QObject::connect(analysisTab, &geopro::app::CategoryAnalysisTab::sliceRequested, vtkWidget,
                      [interactionMgr](geopro::render::interact::SliceAxis axis) {
                          interactionMgr->addSlice(axis);
                      });
-    // 三维分析栏「数据详情」：项非体即切片（dd_slice / dd_voxel），按 ddCode 分派到只读属性
-    //   对话框（仿异常详情）。数据直接从具体 scene3dRepo 取（体/切片在 3D 仓储，非 detailCtrl 的 2D 管线）。
-    QObject::connect(ca, &geopro::app::Column3DAnalysis::detailRequested, &window,
-                     [&window, scene3dRepo](const QString& dsId, const QString& ddCode,
-                                            const QString& name) {
-                         if (ddCode == QStringLiteral("dd_slice")) {
-                             geopro::data::I3dSceneRepository::SliceSpec sp;
-                             if (scene3dRepo->sliceSpec(dsId.toStdString(), sp)) {
-                                 geopro::app::SlicePropertiesDialog dlg(name, sp, &window);
-                                 dlg.exec();
-                             }
-                         } else {  // dd_voxel：三维体
-                             geopro::data::Api3dRepository::VolumeInfo info;
-                             if (scene3dRepo->volumeInfo(dsId.toStdString(), info)) {
-                                 geopro::app::VolumePropertiesDialog dlg(name, info, &window);
-                                 dlg.exec();
-                             }
-                         }
-                     });
-    // 三维分析栏切片右键「删除」→ 删除 mock 切片 + 刷新列表（若在渲染，删后行消失→取消勾选→自动移除图元）。
-    QObject::connect(ca, &geopro::app::Column3DAnalysis::sliceDeleteRequested, &window,
-                     [scene3dRepo, refreshAnalysis](const QString& dsId) {
-                         scene3dRepo->deleteSlice(
-                             dsId.toStdString(), [refreshAnalysis]() { refreshAnalysis(); },
-                             [](const std::string&) {});
-                     });
     // 列表切片「保存」=把当前(可能被拖动过的)位姿覆盖更新到该 dd_slice；须该切片正在渲染才有位姿可取。
     QObject::connect(analysisTab, &geopro::app::CategoryAnalysisTab::sliceSaveRequested, &window,
                      [&window, interactionMgr, scene3dRepo, sceneView](const QString& dsId) {
@@ -983,34 +887,15 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
                              sceneCtrl->setVolumeColorScale(dsId, dlg.colorScale());
                      });
 
-    // ── 3D 异常控制（#4c）：显示过滤 / 单条显隐 / 删除 → 驱动 VTK 异常渲染 ──────────
-    // 过滤档位变化 → 重算异常集合并重渲染 + 刷新列表（独立于体勾选）。
-    QObject::connect(ca, &geopro::app::Column3DAnalysis::anomalyDisplayFilterChanged, vtkWidget,
-                     [refreshAnomalies](int) { refreshAnomalies(); });
+    // ── 3D 异常控制（#4c）：单条显隐 → 驱动 VTK 异常渲染 ──────────
     // 单条显隐 → 切该异常 actor 可见性。
     QObject::connect(analysisTab, &geopro::app::CategoryAnalysisTab::anomalyVisibilityChanged, vtkWidget,
                      [sceneView, renderWindowPtr](const QString& id, bool vis) {
                          sceneView->setAnomalyVisible(id.toStdString(), vis);
                          renderWindowPtr->Render();
                      });
-    // 列表选中异常 → VTK 高亮联动（R84，list→VTK）。
-    QObject::connect(ca, &geopro::app::Column3DAnalysis::anomalySelected, vtkWidget,
-                     [sceneView](const QString& id) {
-                         sceneView->setSelectedAnomaly(id.toStdString());
-                     });
-    // 双击异常 → 只读属性对话框（R83，名称/类型/标记/归属/坐标/备注）。
-    QObject::connect(ca, &geopro::app::Column3DAnalysis::anomalyPropertiesRequested, &window,
-                     [&window](const geopro::core::Anomaly& a) {
-                         geopro::app::AnomalyPropertiesDialog dlg(a, &window);
-                         dlg.exec();
-                     });
-    // 删除异常 → 删 mock + 刷新渲染/列表。
-    QObject::connect(ca, &geopro::app::Column3DAnalysis::anomalyDeleteRequested, &window,
-                     [scene3dRepo, refreshAnomalies](const QString& id) {
-                         scene3dRepo->deleteAnomaly(
-                             id.toStdString(), [refreshAnomalies]() { refreshAnomalies(); },
-                             [](const std::string&) {});
-                     });
+    // 异常双击属性(R83)/右键删除已并入 analysisTab 的 detailRequested(dd_anomaly) /
+    //   deleteDatasetRequested(dd_anomaly)；列表选中→VTK高亮(R84)随旧栏退役暂缺，待新段补 anomalySelected。
 
     // ── 二维数据集栏：天地图底图开关（③，复用轨迹图 token，经同一共享 GeoLocalFrame 配准）──
     auto* basemap = new geopro::app::TileBasemap(*scene, renderWindowPtr, frame, &window);
@@ -1055,12 +940,9 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
     sceneView->onCameraChanged = [basemap]() { basemap->refresh(); };
     // 底图最大范围按当前勾选剖面合并范围动态定(随增删自动伸缩)；刷新时实时查询。
     basemap->setDataRadiusProvider([sceneView]() { return sceneView->dataHorizontalRadius(); });
-    // 垂直夸张：地形须与剖面用同一 VE 才对齐(都按真实高程×VE)。
-    QObject::connect(drawer->col3D(), &geopro::app::Column3DDataset::verticalExaggerationChanged,
-                     basemap, [basemap](double ve) { basemap->setVerticalExaggeration(ve); });
-    // 单一来源：kVerticalExaggeration 一处定义，组合根下发到 控制器(上方259) / 底图 / UI 显示。
+    // 垂直夸张：地形须与剖面用同一 VE 才对齐(都按真实高程×VE)。单一来源 kVerticalExaggeration 下发
+    //   控制器(上方)/底图；运行时 VE 改由坐标轴设置抽屉「应用」下发（旧三维数据集栏滑块已退役）。
     basemap->setVerticalExaggeration(kVerticalExaggeration);
-    drawer->col3D()->setVerticalExaggeration(kVerticalExaggeration);
     // 坐标轴设置抽屉「应用」：轴显示开关 + 放大系数(=垂直夸张，下发控制器+底图)；范围/单位待控制器 API。
     QObject::connect(axesPanel, &geopro::app::AxesSettingsPanel::applied, &window,
                      [axesPanel, sceneCtrl, basemap](geopro::app::AxisRange x, geopro::app::AxisRange y,
@@ -1293,7 +1175,7 @@ void buildWorkbench(QMainWindow& window, geopro::data::LocalSampleRepository& re
                      });
 
     // ── 左上对象树勾选 → 拉取各 TM 的 ds 子树，按维度分发到三栏列表（spec §6.1/§8）──
-    // 渲染由三栏勾选框驱动（Task 7：Column3DDataset::checkedDatasetsChanged → setCheckedDatasets）。
+    // 渲染由分段勾选框驱动（Task 12：CategoryAnalysisTab::checkedDatasetsChanged → setCheckedDatasets）。
     auto generation = std::make_shared<unsigned long long>(0);
     QObject::connect(
         objectTree, &geopro::app::ObjectTreePanel::checkedSourcesChanged, &window,
diff --git a/src/app/panels/columns/Column3DAnalysis.cpp b/src/app/panels/columns/Column3DAnalysis.cpp
deleted file mode 100644
index 3433ad6..0000000
--- a/src/app/panels/columns/Column3DAnalysis.cpp
+++ /dev/null
@@ -1,211 +0,0 @@
-#include "panels/columns/Column3DAnalysis.hpp"
-
-#include <QComboBox>
-
-#include "EmptyAwareComboBox.hpp"
-#include <QGroupBox>
-#include <QHBoxLayout>
-#include <QLabel>
-#include <QMenu>
-#include <QSet>
-#include <QSignalBlocker>
-#include <QSplitter>
-#include <QTreeWidget>
-#include <QTreeWidgetItem>
-#include <QTreeWidgetItemIterator>
-#include <QVBoxLayout>
-
-#include "Theme.hpp"
-#include "panels/DatasetListPanel.hpp"
-
-namespace geopro::app {
-
-Column3DAnalysis::Column3DAnalysis(QWidget* parent) : QWidget(parent) {
-    auto* root = new QVBoxLayout(this);
-    root->setContentsMargins(space::kMd, space::kMd, space::kMd, space::kMd);
-    root->setSpacing(space::kMd);
-
-    tree_ = new QTreeWidget();
-    tree_->setHeaderHidden(true);
-    tree_->setRootIsDecorated(true);
-    applyDatasetCardDelegate(tree_);
-    tree_->setContextMenuPolicy(Qt::CustomContextMenu);
-
-    connect(tree_, &QTreeWidget::customContextMenuRequested, this, &Column3DAnalysis::onContextMenu);
-
-    connect(tree_, &QTreeWidget::itemChanged, this, [this](QTreeWidgetItem*, int) {
-        QStringList ids;
-        for (QTreeWidgetItemIterator it(tree_); *it; ++it) {
-            if ((*it)->checkState(0) == Qt::Checked)
-                ids << (*it)->data(0, kDsIdRole).toString();
-        }
-        emit checkedItemsChanged(ids);
-    });
-
-    // ── 数据集树(上) + 「异常」分组(下) 放进竖向 Splitter：可拖拽、清晰分隔，数据集树占多数 ──
-    // ── 3D 异常控制（#4c）：分组框内含 显示过滤下拉 + 异常列表（每条显隐勾选；选中联动 VTK）──
-    anomalyTree_ = new QTreeWidget();
-    anomalyTree_->setHeaderHidden(true);
-    anomalyTree_->setRootIsDecorated(false);
-    anomalyTree_->setContextMenuPolicy(Qt::CustomContextMenu);
-    connect(anomalyTree_, &QTreeWidget::customContextMenuRequested, this,
-            &Column3DAnalysis::onAnomalyContextMenu);
-    connect(anomalyTree_, &QTreeWidget::itemChanged, this, [this](QTreeWidgetItem* it, int) {
-        if (it == nullptr) return;
-        emit anomalyVisibilityChanged(it->data(0, kDsIdRole).toString(),
-                                      it->checkState(0) == Qt::Checked);
-    });
-    connect(anomalyTree_, &QTreeWidget::currentItemChanged, this,
-            [this](QTreeWidgetItem* cur, QTreeWidgetItem*) {
-                if (cur != nullptr) emit anomalySelected(cur->data(0, kDsIdRole).toString());
-            });
-    // 双击异常项 → 属性对话框（R83）：按 id 回查当前集合发出整条异常。
-    connect(anomalyTree_, &QTreeWidget::itemDoubleClicked, this,
-            [this](QTreeWidgetItem* it, int) {
-                if (it == nullptr) return;
-                const QString id = it->data(0, kDsIdRole).toString();
-                for (const auto& a : anomalies_)
-                    if (QString::fromStdString(a.id) == id) {
-                        emit anomalyPropertiesRequested(a);
-                        return;
-                    }
-            });
-
-    auto* anomGroup = new QGroupBox(QStringLiteral("异常"));
-    auto* gv = new QVBoxLayout(anomGroup);
-    gv->setContentsMargins(space::kSm, space::kSm, space::kSm, space::kSm);
-    gv->setSpacing(space::kSm);
-    {
-        auto* fr = new QHBoxLayout();
-        fr->addWidget(new QLabel(QStringLiteral("显示")));
-        anomalyFilter_ = new EmptyAwareComboBox();
-        anomalyFilter_->addItem(QStringLiteral("全部显示"));  // 0
-        anomalyFilter_->addItem(QStringLiteral("随GS"));      // 1
-        anomalyFilter_->addItem(QStringLiteral("随数据集"));  // 2
-        anomalyFilter_->addItem(QStringLiteral("全部隐藏"));  // 3
-        anomalyFilter_->setCurrentIndex(2);  // 默认随数据集（= 跟当前三维体显隐）
-        connect(anomalyFilter_, qOverload<int>(&QComboBox::currentIndexChanged), this,
-                [this](int idx) { emit anomalyDisplayFilterChanged(idx); });
-        fr->addWidget(anomalyFilter_, 1);
-        gv->addLayout(fr);
-    }
-    gv->addWidget(anomalyTree_, 1);
-
-    auto* splitter = new QSplitter(Qt::Vertical);
-    splitter->setChildrenCollapsible(false);
-    splitter->addWidget(tree_);
-    splitter->addWidget(anomGroup);
-    splitter->setStretchFactor(0, 3);  // 数据集树占多
-    splitter->setStretchFactor(1, 2);
-    root->addWidget(splitter, 1);
-}
-
-int Column3DAnalysis::anomalyFilterMode() const {
-    return anomalyFilter_ ? anomalyFilter_->currentIndex() : 2;
-}
-
-void Column3DAnalysis::setAnomalies(const std::vector<geopro::core::Anomaly>& anoms) {
-    anomalies_ = anoms;  // 留存供双击查属性（R83）
-    QSignalBlocker block(anomalyTree_);  // 填充不触发 visibilityChanged
-    anomalyTree_->clear();
-    for (const auto& a : anoms) {
-        auto* item = new QTreeWidgetItem(anomalyTree_);
-        const QString name = a.name.empty() ? QStringLiteral("异常") : QString::fromStdString(a.name);
-        const QString type = a.typeName.empty() ? QString() : QString::fromStdString(a.typeName);
-        item->setText(0, type.isEmpty() ? name : QStringLiteral("%1（%2）").arg(name, type));
-        item->setData(0, kDsIdRole, QString::fromStdString(a.id));
-        item->setFlags(item->flags() | Qt::ItemIsUserCheckable);
-        item->setCheckState(0, Qt::Checked);  // 默认显示
-    }
-}
-
-void Column3DAnalysis::onAnomalyContextMenu(const QPoint& pos) {
-    QTreeWidgetItem* it = anomalyTree_->itemAt(pos);
-    if (it == nullptr) return;
-    const QString id = it->data(0, kDsIdRole).toString();
-    QMenu menu(this);
-    menu.addAction(QStringLiteral("删除异常"), this, [this, id] { emit anomalyDeleteRequested(id); });
-    menu.exec(anomalyTree_->viewport()->mapToGlobal(pos));
-}
-
-void Column3DAnalysis::setDatasets(const std::vector<geopro::data::DsRow>& rows) {
-    // 按 dsId 保留刷新前的勾选态：列表重建(保存切片/生成体追加一行也会整树重建)不应丢已勾选项
-    //   的渲染态——否则保存切片会连带取消三维体勾选、把它从场景移除（实测 bug）。
-    //   切换测线(新数据)时旧 id 不匹配 → 自然全空，行为与原先一致。
-    QSet<QString> wasChecked;
-    for (QTreeWidgetItemIterator it(tree_); *it; ++it)
-        if ((*it)->checkState(0) == Qt::Checked)
-            wasChecked.insert((*it)->data(0, kDsIdRole).toString());
-
-    {
-        QSignalBlocker blocker(tree_);
-        populateDatasetList(tree_, rows, /*append=*/false);
-        for (QTreeWidgetItemIterator it(tree_); *it; ++it) {
-            (*it)->setFlags((*it)->flags() | Qt::ItemIsUserCheckable);
-            const QString id = (*it)->data(0, kDsIdRole).toString();
-            (*it)->setCheckState(0, wasChecked.contains(id) ? Qt::Checked : Qt::Unchecked);
-        }
-    }  // blocker released here
-    // 仅当勾选集真正变化才发信号：重建但勾选集不变(如保存切片仅追加一行)→ 不发，
-    //   避免下游 syncSlices 用"尚未勾选新切片"的中间态误隐藏刚链接的切片(闪烁/重复)。
-    QStringList ids;
-    QSet<QString> nowChecked;
-    for (QTreeWidgetItemIterator it(tree_); *it; ++it)
-        if ((*it)->checkState(0) == Qt::Checked) {
-            const QString id = (*it)->data(0, kDsIdRole).toString();
-            ids << id;
-            nowChecked.insert(id);
-        }
-    if (nowChecked != wasChecked) emit checkedItemsChanged(ids);
-}
-
-void Column3DAnalysis::setItemChecked(const QString& dsId, bool checked) {
-    for (QTreeWidgetItemIterator it(tree_); *it; ++it) {
-        if ((*it)->data(0, kDsIdRole).toString() != dsId) continue;
-        for (QTreeWidgetItem* p = (*it)->parent(); p != nullptr; p = p->parent())
-            p->setExpanded(true);  // 展开父链 → 新勾选行可见
-        // setCheckState 仅在状态变化时发 itemChanged → checkedItemsChanged（驱动渲染同步）。
-        (*it)->setCheckState(0, checked ? Qt::Checked : Qt::Unchecked);
-        return;
-    }
-}
-
-void Column3DAnalysis::onContextMenu(const QPoint& pos) {
-    QTreeWidgetItem* it = tree_->itemAt(pos);
-    if (!it) return;
-
-    const QString dsId = it->data(0, kDsIdRole).toString();
-    const QString ddCode = it->data(0, kDsDdCodeRole).toString();
-    const QString name = it->data(0, kDsNameRole).toString();
-    const bool isSlice = (ddCode == QStringLiteral("dd_slice"));
-
-    QMenu menu(this);
-    if (!isSlice) {
-        // 三维体数据集：切片▸(上下/前后/左右/任意) / 色阶 / 数据详情。
-        //   显示/隐藏 = 勾选框，故菜单不再重复提供（去冗余）。
-        QMenu* sub = menu.addMenu(QStringLiteral("切片"));
-        using SA = geopro::render::interact::SliceAxis;
-        sub->addAction(QStringLiteral("上下"), this, [this]{ emit sliceRequested(SA::UpDown); });
-        sub->addAction(QStringLiteral("前后"), this, [this]{ emit sliceRequested(SA::FrontBack); });
-        sub->addAction(QStringLiteral("左右"), this, [this]{ emit sliceRequested(SA::LeftRight); });
-        sub->addAction(QStringLiteral("任意"), this, [this]{ emit sliceRequested(SA::Oblique); });
-        menu.addAction(QStringLiteral("色阶"), this, [this, dsId]{ emit colorScaleRequested(dsId); });
-        menu.addAction(QStringLiteral("数据详情"), this, [this, dsId, ddCode, name]{ emit detailRequested(dsId, ddCode, name); });
-    } else {
-        // 切片数据集：保存(覆盖位姿) / 保存为(另存新切片) / 导出▸(图片·dat) / 删除 / 色阶 / 数据详情。
-        //   显示/隐藏 = 勾选框，去冗余。导出与 VTK 视图切片右键统一为二级菜单。
-        menu.addAction(QStringLiteral("保存"), this, [this, dsId]{ emit sliceSaveRequested(dsId); });
-        menu.addAction(QStringLiteral("保存为"), this, [this, dsId]{ emit sliceSaveAsRequested(dsId); });
-        QMenu* exp = menu.addMenu(QStringLiteral("导出"));
-        exp->addAction(QStringLiteral("图片"), this, [this, dsId]{ emit sliceExportImageRequested(dsId); });
-        exp->addAction(QStringLiteral("dat"), this, [this, dsId]{ emit sliceExportDatRequested(dsId); });
-        menu.addAction(QStringLiteral("删除"), this, [this, dsId]{ emit sliceDeleteRequested(dsId); });
-        menu.addSeparator();
-        menu.addAction(QStringLiteral("色阶"), this, [this, dsId]{ emit colorScaleRequested(dsId); });
-        menu.addAction(QStringLiteral("数据详情"), this, [this, dsId, ddCode, name]{ emit detailRequested(dsId, ddCode, name); });
-    }
-
-    menu.exec(tree_->viewport()->mapToGlobal(pos));
-}
-
-}  // namespace geopro::app
diff --git a/src/app/panels/columns/Column3DAnalysis.hpp b/src/app/panels/columns/Column3DAnalysis.hpp
deleted file mode 100644
index e936ae7..0000000
--- a/src/app/panels/columns/Column3DAnalysis.hpp
+++ /dev/null
@@ -1,55 +0,0 @@
-#pragma once
-#include <QWidget>
-#include <QStringList>
-#include <vector>
-#include "repo/RepoTypes.hpp"
-#include "model/Anomaly.hpp"
-#include "interact/SlicePlaneMath.hpp"   // SliceAxis
-
-class QTreeWidget;
-class QComboBox;
-class QPoint;
-
-namespace geopro::app {
-
-// 三维分析栏：对象→三维体模型→切片 树 + 三维体/切片两套右键菜单 + 3D 异常控制(列表/过滤/显隐)。
-class Column3DAnalysis : public QWidget {
-    Q_OBJECT
-public:
-    explicit Column3DAnalysis(QWidget* parent = nullptr);
-    // 本期：按 ds parentId 建树(切片挂源数据下);完整 对象→三维体→切片 三级树待后端数据(P4)。
-    void setDatasets(const std::vector<geopro::data::DsRow>& rows);  // Analysis 维度(三维体/切片)
-    // 程序化勾选某 dsId 的行（保存切片后自动勾选新行）+ 展开其父节点使可见。
-    void setItemChecked(const QString& dsId, bool checked);
-    // 3D 异常列表（#4c）：每条带显隐勾选；选中联动 VTK。anoms 为当前应展示的异常集合。
-    void setAnomalies(const std::vector<geopro::core::Anomaly>& anoms);
-    // 当前显示过滤档位（0全部显示/1随GS/2随数据集/3全部隐藏）。
-    int anomalyFilterMode() const;
-
-signals:
-    void sliceRequested(geopro::render::interact::SliceAxis axis);   // 三维体右键 切片▸(上下/前后/左右/任意)
-    void colorScaleRequested(const QString& dsId);
-    void detailRequested(const QString& dsId, const QString& ddCode, const QString& name);
-    void sliceSaveRequested(const QString& dsId);
-    void sliceSaveAsRequested(const QString& dsId);
-    void sliceExportImageRequested(const QString& dsId);  // 导出▸图片
-    void sliceExportDatRequested(const QString& dsId);    // 导出▸dat
-    void sliceDeleteRequested(const QString& dsId);
-    void checkedItemsChanged(const QStringList& dsIds);
-    // ── 异常（#4c）──
-    void anomalyVisibilityChanged(const QString& anomalyId, bool visible);  // 单条显隐勾选
-    void anomalyDisplayFilterChanged(int mode);                             // 过滤档位 0..3
-    void anomalySelected(const QString& anomalyId);                         // 列表选中→VTK 高亮
-    void anomalyDeleteRequested(const QString& anomalyId);                  // 右键删除
-    void anomalyPropertiesRequested(const geopro::core::Anomaly& a);        // 双击→属性对话框(R83)
-
-private:
-    void onContextMenu(const QPoint& pos);
-    void onAnomalyContextMenu(const QPoint& pos);
-    QTreeWidget* tree_ = nullptr;
-    QTreeWidget* anomalyTree_ = nullptr;
-    QComboBox* anomalyFilter_ = nullptr;
-    std::vector<geopro::core::Anomaly> anomalies_;  // 当前展示集合（双击查属性按 id 回查）
-};
-
-}  // namespace geopro::app
diff --git a/src/app/panels/columns/Column3DDataset.cpp b/src/app/panels/columns/Column3DDataset.cpp
deleted file mode 100644
index c17c46e..0000000
--- a/src/app/panels/columns/Column3DDataset.cpp
+++ /dev/null
@@ -1,187 +0,0 @@
-#include "panels/columns/Column3DDataset.hpp"
-
-#include <algorithm>
-
-#include <QAbstractItemView>
-#include <QAction>
-#include <QComboBox>
-
-#include "EmptyAwareComboBox.hpp"
-#include <QDebug>
-#include <QFormLayout>
-#include <QHBoxLayout>
-#include <QLabel>
-#include <QMenu>
-#include <QPoint>
-#include <QPushButton>
-#include <QSet>
-#include <QSignalBlocker>
-#include <QSlider>
-#include <QTreeWidget>
-#include <QTreeWidgetItemIterator>
-#include <QVBoxLayout>
-
-#include "Theme.hpp"
-#include "panels/DatasetListPanel.hpp"
-
-using geopro::controller::AxesMode;
-using geopro::controller::AxesUnit;
-using geopro::controller::ViewDir;
-
-namespace geopro::app {
-
-Column3DDataset::Column3DDataset(QWidget* parent) : QWidget(parent) {
-    auto* root = new QVBoxLayout(this);
-    root->setContentsMargins(space::kMd, space::kMd, space::kMd, space::kMd);
-    root->setSpacing(space::kMd);
-
-    // 坐标轴设置
-    {
-        auto* form = new QFormLayout();
-        auto* mode = new EmptyAwareComboBox();
-        mode->addItem(QStringLiteral("标准"), static_cast<int>(AxesMode::Standard));
-        mode->addItem(QStringLiteral("三维立体"), static_cast<int>(AxesMode::Stereo));
-        mode->addItem(QStringLiteral("不显示"), static_cast<int>(AxesMode::None));
-        connect(mode, qOverload<int>(&QComboBox::currentIndexChanged), this,
-                [this, mode](int) { emit axesModeChanged(static_cast<AxesMode>(mode->currentData().toInt())); });
-        auto* oPoint = new QPushButton(QStringLiteral("设置…"));
-        connect(oPoint, &QPushButton::clicked, this, &Column3DDataset::oPointClicked);
-        auto* unit = new EmptyAwareComboBox();
-        unit->addItem(QStringLiteral("无刻度"), static_cast<int>(AxesUnit::None));
-        unit->addItem(QStringLiteral("米"), static_cast<int>(AxesUnit::Meter));
-        unit->addItem(QStringLiteral("英尺"), static_cast<int>(AxesUnit::Feet));
-        unit->addItem(QStringLiteral("经纬度"), static_cast<int>(AxesUnit::LatLon));
-        unit->setCurrentIndex(1);
-        connect(unit, qOverload<int>(&QComboBox::currentIndexChanged), this,
-                [this, unit](int) { emit axesUnitChanged(static_cast<AxesUnit>(unit->currentData().toInt())); });
-        auto* font = new QPushButton(QStringLiteral("设置…"));
-        connect(font, &QPushButton::clicked, this, &Column3DDataset::fontClicked);
-        form->addRow(QStringLiteral("显示方式"), mode);
-        form->addRow(QStringLiteral("O点位置"), oPoint);
-        form->addRow(QStringLiteral("刻度"), unit);
-        form->addRow(QStringLiteral("字体"), font);
-        root->addWidget(new QLabel(QStringLiteral("坐标轴设置")));
-        root->addLayout(form);
-    }
-
-    // 水平/垂直比例（单滑块 + 数值）。初值为中性 1×(无夸张)；实际配置默认由组合根 setVerticalExaggeration 下发。
-    {
-        auto* row = new QHBoxLayout();
-        veSlider_ = new QSlider(Qt::Horizontal);
-        veSlider_->setMinimum(1);
-        veSlider_->setMaximum(10);
-        veSlider_->setValue(1);
-        veLabel_ = new QLabel(QStringLiteral("1.0×"));
-        connect(veSlider_, &QSlider::valueChanged, this, [this](int v) {
-            veLabel_->setText(QStringLiteral("%1.0×").arg(v));
-            emit verticalExaggerationChanged(static_cast<double>(v));
-        });
-        row->addWidget(veSlider_, 1);
-        row->addWidget(veLabel_);
-        root->addWidget(new QLabel(QStringLiteral("水平/垂直比例")));
-        root->addLayout(row);
-    }
-
-    // 快捷视图
-    {
-        auto* row = new QHBoxLayout();
-        struct V {
-            const char* t;
-            ViewDir d;
-        };
-        const V views[] = {
-            {"前", ViewDir::Front}, {"后", ViewDir::Back}, {"左", ViewDir::Left},
-            {"右", ViewDir::Right}, {"上", ViewDir::Top},  {"下", ViewDir::Bottom},
-        };
-        for (const V& v : views) {
-            auto* b = new QPushButton(QString::fromUtf8(v.t));
-            ViewDir d = v.d;
-            connect(b, &QPushButton::clicked, this, [this, d] { emit viewRequested(d); });
-            row->addWidget(b);
-        }
-        root->addWidget(new QLabel(QStringLiteral("快捷视图")));
-        root->addLayout(row);
-    }
-
-    // 缩放
-    {
-        auto* row = new QHBoxLayout();
-        auto* in = new QPushButton(QStringLiteral("放大"));
-        auto* out = new QPushButton(QStringLiteral("缩小"));
-        auto* fit = new QPushButton(QStringLiteral("适配"));
-        connect(in, &QPushButton::clicked, this, &Column3DDataset::zoomInRequested);
-        connect(out, &QPushButton::clicked, this, &Column3DDataset::zoomOutRequested);
-        connect(fit, &QPushButton::clicked, this, &Column3DDataset::fitRequested);
-        row->addWidget(in);
-        row->addWidget(out);
-        row->addWidget(fit);
-        root->addWidget(new QLabel(QStringLiteral("缩放")));
-        root->addLayout(row);
-    }
-
-    // 数据集列表（可勾选）。勾选 = 渲染为帘面，同时是「生成三维体」的源集合（右键菜单据勾选集生成）。
-    list_ = new QTreeWidget();
-    list_->setHeaderHidden(true);
-    list_->setRootIsDecorated(true);
-    list_->setContextMenuPolicy(Qt::CustomContextMenu);
-    applyDatasetCardDelegate(list_);
-    connect(list_, &QTreeWidget::itemChanged, this, [this](QTreeWidgetItem*, int) {
-        QStringList ids;
-        for (QTreeWidgetItemIterator it(list_); *it; ++it) {
-            if ((*it)->checkState(0) == Qt::Checked)
-                ids << (*it)->data(0, kDsIdRole).toString();
-        }
-        emit checkedDatasetsChanged(ids);
-    });
-    connect(list_, &QTreeWidget::customContextMenuRequested, this,
-            &Column3DDataset::showListContextMenu);
-    root->addWidget(list_, 1);
-}
-
-void Column3DDataset::showListContextMenu(const QPoint& pos) {
-    // 按**勾选集合**收集"可作三维体源"的数据集（反演剖面类）——与右键点在哪一项无关。
-    static const QSet<QString> kSourceDdCodes = {QStringLiteral("dd_section"),
-                                                 QStringLiteral("dd_inversion_data")};
-    QStringList sourceIds;
-    for (QTreeWidgetItemIterator it(list_); *it; ++it) {
-        if ((*it)->checkState(0) != Qt::Checked) continue;  // 仅勾选项
-        const QString ddCode = (*it)->data(0, kDsDdCodeRole).toString();
-        if (kSourceDdCodes.contains(ddCode))
-            sourceIds << (*it)->data(0, kDsIdRole).toString();
-    }
-    qInfo().noquote() << "[volsrc] 按勾选收集源 ds 数 =" << sourceIds.size() << ":"
-                      << sourceIds.join(',');
-
-    QMenu menu(this);
-    QAction* gen = menu.addAction(QStringLiteral("生成三维体"));
-    gen->setEnabled(!sourceIds.isEmpty());  // 无可作源选中 → 灰显（提示需选反演剖面）
-    QAction* chosen = menu.exec(list_->viewport()->mapToGlobal(pos));
-    if (chosen == gen && !sourceIds.isEmpty())
-        emit generateVolumeRequested(sourceIds);
-}
-
-void Column3DDataset::setVerticalExaggeration(double ve) {
-    const int v = std::max(1, static_cast<int>(ve + 0.5));
-    QSignalBlocker block(veSlider_);  // 仅同步 UI 显示；传播由组合根分发，避免重复发信号
-    veSlider_->setValue(v);
-    veLabel_->setText(QStringLiteral("%1.0×").arg(v));
-}
-
-void Column3DDataset::setDatasets(const std::vector<geopro::data::DsRow>& rows) {
-    {
-        QSignalBlocker blocker(list_);
-        populateDatasetList(list_, rows, /*append=*/false);
-        for (QTreeWidgetItemIterator it(list_); *it; ++it) {
-            (*it)->setFlags((*it)->flags() | Qt::ItemIsUserCheckable);
-            (*it)->setCheckState(0, Qt::Unchecked);
-        }
-    }  // blocker released here
-    // 填充后统一发一次(新载入必为空选):清掉上一次的渲染勾选
-    QStringList ids;
-    for (QTreeWidgetItemIterator it(list_); *it; ++it)
-        if ((*it)->checkState(0) == Qt::Checked)
-            ids << (*it)->data(0, kDsIdRole).toString();
-    emit checkedDatasetsChanged(ids);
-}
-
-}  // namespace geopro::app
diff --git a/src/app/panels/columns/Column3DDataset.hpp b/src/app/panels/columns/Column3DDataset.hpp
deleted file mode 100644
index 90ee445..0000000
--- a/src/app/panels/columns/Column3DDataset.hpp
+++ /dev/null
@@ -1,45 +0,0 @@
-#pragma once
-#include <QWidget>
-#include <QStringList>
-#include <vector>
-#include "I3dSceneView.hpp"   // AxesMode/AxesUnit/ViewDir
-#include "repo/RepoTypes.hpp"
-
-class QTreeWidget;
-class QSlider;
-class QLabel;
-
-namespace geopro::app {
-
-// 三维数据集栏：坐标轴设置 + 水平/垂直比例 + 快捷视图 + 缩放 + 3D 数据集列表。
-class Column3DDataset : public QWidget {
-    Q_OBJECT
-public:
-    explicit Column3DDataset(QWidget* parent = nullptr);
-    void setDatasets(const std::vector<geopro::data::DsRow>& rows);
-    void setVerticalExaggeration(double ve);  // 组合根下发配置默认值(仅同步UI显示，不重复发信号)
-
-signals:
-    void axesModeChanged(geopro::controller::AxesMode mode);
-    void axesUnitChanged(geopro::controller::AxesUnit unit);
-    void verticalExaggerationChanged(double ve);
-    void viewRequested(geopro::controller::ViewDir dir);
-    void zoomInRequested();
-    void zoomOutRequested();
-    void fitRequested();
-    void oPointClicked();
-    void fontClicked();
-    void checkedDatasetsChanged(const QStringList& dsIds);
-    // 右键「生成三维体」：选中的源数据集 id（≥1，均为可作源类型）→ 组合根弹参数对话框 + 客户端插值。
-    void generateVolumeRequested(const QStringList& sourceDsIds);
-
-private:
-    // 右键菜单：选中可作源数据集（dd_section / dd_inversion_data）时提供「生成三维体」。
-    void showListContextMenu(const QPoint& pos);
-
-    QTreeWidget* list_ = nullptr;
-    QSlider* veSlider_ = nullptr;  // 水平/垂直比例滑块
-    QLabel* veLabel_ = nullptr;
-};
-
-}  // namespace geopro::app
diff --git a/src/app/panels/columns/ColumnDrawer.cpp b/src/app/panels/columns/ColumnDrawer.cpp
index 07b30df..41b5522 100644
--- a/src/app/panels/columns/ColumnDrawer.cpp
+++ b/src/app/panels/columns/ColumnDrawer.cpp
@@ -1,7 +1,5 @@
 #include "panels/columns/ColumnDrawer.hpp"
-#include "panels/columns/Column3DDataset.hpp"
 #include "panels/columns/Column2DDataset.hpp"
-#include "panels/columns/Column3DAnalysis.hpp"
 #include "panels/columns/CategoryAnalysisTab.hpp"
 #include "Glyphs.hpp"
 #include "Theme.hpp"
@@ -16,11 +14,6 @@ ColumnDrawer::ColumnDrawer(QWidget* parent, geopro::data::DatasetFieldDictionary
 {
     col2D_       = new Column2DDataset(this);
     analysisTab_ = new CategoryAnalysisTab(dict, this);
-    // 过渡：旧三维数据集/三维分析栏仍实例化以兼容 main 现有接线，但隐藏、不入 tab（Task 12 退役）。
-    col3D_       = new Column3DDataset(this);
-    colAnalysis_ = new Column3DAnalysis(this);
-    col3D_->hide();
-    colAnalysis_->hide();
 
     // Tab 容器（body_）：两 tab（三维分析[分段] / 二维分析）。
     auto* tabs = new QTabWidget(this);
diff --git a/src/app/panels/columns/ColumnDrawer.hpp b/src/app/panels/columns/ColumnDrawer.hpp
index ce60442..f75b5ac 100644
--- a/src/app/panels/columns/ColumnDrawer.hpp
+++ b/src/app/panels/columns/ColumnDrawer.hpp
@@ -9,22 +9,17 @@ class DatasetFieldDictionary;
 
 namespace geopro::app {
 
-class Column3DDataset;
 class Column2DDataset;
-class Column3DAnalysis;
 class CategoryAnalysisTab;
 
 // VTK视图左侧内嵌抽屉：两 tab(三维分析[按数据类型分段]/二维分析) + 折叠开关。
-// 旧 col3D_/colAnalysis_ 仍实例化但隐藏（不入 tab），保留访问器供 main 现有接线过渡，Task 12 退役。
 class ColumnDrawer : public QWidget {
     Q_OBJECT
 public:
     explicit ColumnDrawer(QWidget* parent = nullptr,
                           geopro::data::DatasetFieldDictionary* dict = nullptr);
 
-    Column3DDataset* col3D() const { return col3D_; }            // 【过渡，Task 12 删】
     Column2DDataset* col2D() const { return col2D_; }
-    Column3DAnalysis* colAnalysis() const { return colAnalysis_; }  // 【过渡，Task 12 删】
     CategoryAnalysisTab* analysisTab() const { return analysisTab_; }
 
 public slots:
@@ -32,9 +27,7 @@ public slots:
     void expand();  // 强制展开（进入全屏时确保三栏可见）
 
 private:
-    Column3DDataset* col3D_ = nullptr;         // 【过渡，隐藏不入 tab，Task 12 删】
     Column2DDataset* col2D_ = nullptr;
-    Column3DAnalysis* colAnalysis_ = nullptr;  // 【过渡，隐藏不入 tab，Task 12 删】
     CategoryAnalysisTab* analysisTab_ = nullptr;
     QWidget* body_ = nullptr;   // QTabWidget，折叠时隐藏
     QPushButton* toggleBtn_ = nullptr;