src/app/DatasetDimension.cpp

@@ -7,7 +7,7 @@ namespace {
 enum class Dim { D3, D2, Analysis, Other };
 Dim dimOf(const std::string& c) {
     if (c == "dd_voxel" || c == "dd_Structual3D" || c == "dd_Property3D" ||
-        c == "dd_section" || c == "dd_inversion_data")
+        c == "dd_section" || c == "dd_inversion_data" || c == "dd_radar_3d")
         return Dim::D3;
     if (c == "dd_slice") return Dim::Analysis;
     if (c == "dd_trajectory_data") return Dim::D2;

src/data/api/Api3dRepository.cpp

@@ -40,7 +40,7 @@ DsDimension Api3dRepository::dimensionOf(const DsRow& ds) const {
     // TODO(P3): 与 LocalSample3dRepository 重复，宜提取共享映射(后续清理)。
     const std::string& c = ds.ddCode;
     if (c == "dd_voxel" || c == "dd_Structual3D" || c == "dd_Property3D" || c == "dd_section" ||
-        c == "dd_inversion_data") {
+        c == "dd_inversion_data" || c == "dd_radar_3d") {
         return DsDimension::Dim3D;
     }
     if (c == "dd_slice") return DsDimension::Analysis3D;

src/data/repo/LocalSample3dRepository.cpp

@@ -44,7 +44,7 @@ DsDimension LocalSample3dRepository::dimensionOf(const DsRow& ds) const {
     const std::string& c = ds.ddCode;
     // 真三维体 / 体素 / 帘面（dd_section/反演剖面摆成竖直帘面）入三维数据集。
     if (c == "dd_voxel" || c == "dd_Structual3D" || c == "dd_Property3D" || c == "dd_section" ||
-        c == "dd_inversion_data") {
+        c == "dd_inversion_data" || c == "dd_radar_3d") {
         return DsDimension::Dim3D;
     }
     // 切片：三维分析栏。

tests/app/test_dataset_dimension.cpp

@@ -14,14 +14,16 @@ TEST(DatasetDimension, SplitsByDdCode) {
     std::vector<DsRow> in{
         row("a", "dd_section"),          // 3D
         row("b", "dd_voxel"),            // 3D
+        row("f", "dd_radar_3d"),         // 3D（三维雷达体，spec §6.1）
         row("c", "dd_trajectory_data"),  // 2D
         row("d", "dd_slice"),            // Analysis
         row("e", "dd_unknownxyz"),       // Other -> not in any bucket
     };
     DimBuckets b = splitByDimension(in);
-    ASSERT_EQ(b.dim3D.size(), 2u);
+    ASSERT_EQ(b.dim3D.size(), 3u);
     EXPECT_EQ(b.dim3D[0].id, "a");
     EXPECT_EQ(b.dim3D[1].id, "b");
+    EXPECT_EQ(b.dim3D[2].id, "f");
     ASSERT_EQ(b.dim2D.size(), 1u);
     EXPECT_EQ(b.dim2D[0].id, "c");
     ASSERT_EQ(b.analysis.size(), 1u);

tests/data/test_3d_repo.cpp

@@ -42,6 +42,8 @@ TEST(LocalSample3dRepo, DimensionOfMapsDdCode) {
     EXPECT_EQ(repo.dimensionOf(rowWith("dd_Property3D")), DsDimension::Dim3D);
     EXPECT_EQ(repo.dimensionOf(rowWith("dd_section")), DsDimension::Dim3D);
     EXPECT_EQ(repo.dimensionOf(rowWith("dd_inversion_data")), DsDimension::Dim3D);
+    // 三维雷达体（数据字典 DD0623 dd_radar_3d）→ 三维数据集（spec §6.1）。
+    EXPECT_EQ(repo.dimensionOf(rowWith("dd_radar_3d")), DsDimension::Dim3D);
     EXPECT_EQ(repo.dimensionOf(rowWith("dd_slice")), DsDimension::Analysis3D);
     // 足迹型 → 二维：数据字典 DD0623 只 dd_trajectory_data 为统一通用轨迹「保留」；
     //   瞬变电磁/雷达通道/RTK 等轨迹型字典均「删除」→ 不再归 2D（落 Other）。
@@ -155,6 +157,17 @@ TEST(Api3dRepo, LoadMapLineNullHandleCallsOnError) {
     EXPECT_TRUE(errCalled);
 }
 
+// dimensionOf（Api，与 LocalSample3dRepository 同口径）：三维雷达体 dd_radar_3d → 三维（spec §6.1）。
+TEST(Api3dRepo, DimensionOfMapsDdRadar3dToDim3D) {
+    StubAsyncRepo dsRepo;
+    auto frame = std::make_shared<geopro::core::GeoLocalFrame>(22.0, 114.0);
+    Api3dRepository repo(dsRepo, frame);
+
+    EXPECT_EQ(repo.dimensionOf(rowWith("dd_radar_3d")), DsDimension::Dim3D);
+    EXPECT_EQ(repo.dimensionOf(rowWith("dd_voxel")), DsDimension::Dim3D);
+    EXPECT_EQ(repo.dimensionOf(rowWith("dd_unknown_xyz")), DsDimension::Other);
+}
+
 // volumeInfo：未知 dsId（非三维体）→ 返回 false，不弹空对话框。
 TEST(Api3dRepo, VolumeInfoUnknownIdReturnsFalse) {
     StubAsyncRepo dsRepo;