feat: 完善 Face 一级关系编辑和稳定性

step_editor/ui_helpers.py

@@ -462,7 +462,7 @@ INFO_LABELS = {
     "ellipse_edge_major_radius": "椭圆Edge主半径",
     "ellipse_edge_minor_radius": "椭圆Edge小半径",
     "reference_radius": "参考半径",
-    "semi_angle": "半角",
+    "semi_angle": "圆锥半角",
     "angular_span": "角度跨度",
     "height_estimate": "估算高度",
     "hole_depth_estimate": "孔/槽深度估算",
@@ -606,6 +606,12 @@ INFO_LABELS = {
     "existing_fillet_radius_estimate": "已有圆角半径估算",
     "feature_reference_radius": "特征参考半径",
     "feature_reference_diameter": "特征参考直径",
+    "feature_cone_small_radius": "锥孔小端半径",
+    "feature_cone_small_diameter": "锥孔小端直径",
+    "feature_cone_large_radius": "锥孔大端半径",
+    "feature_cone_large_diameter": "锥孔大端直径",
+    "feature_cone_height": "锥孔高度",
+    "feature_cone_boundary_half_angle_degrees": "锥孔半角",
     "feature_sphere_radius": "球面半径",
     "feature_sphere_diameter": "球面直径",
     "feature_torus_major_radius": "环面主半径",
@@ -768,6 +774,32 @@ SELECTION_MODE_LABELS = {
 SELECTION_MODE_VALUES = {label: mode for mode, label in SELECTION_MODE_LABELS.items()}
 
 
+SURFACE_VALUE_LABELS = {
+    "plane": "平面",
+    "cylinder": "圆柱面",
+    "cone": "圆锥面 / 拔模面",
+    "sphere": "球面",
+    "torus": "环面",
+    "bezier surface": "Bezier 曲面",
+    "b-spline surface": "B-spline 曲面",
+    "surface of revolution": "旋转曲面",
+    "surface of extrusion": "拉伸曲面",
+    "offset surface": "偏移曲面",
+    "other surface": "其它曲面",
+}
+
+CURVE_VALUE_LABELS = {
+    "line": "直线",
+    "circle": "圆 / 圆弧",
+    "ellipse": "椭圆 / 椭圆弧",
+    "hyperbola": "双曲线",
+    "parabola": "抛物线",
+    "bezier curve": "Bezier 曲线",
+    "b-spline curve": "B-spline 曲线",
+    "other curve": "其它曲线",
+}
+
+
 def _selection_mode_label(mode: object) -> str:
     mode_text = str(mode or "")
     return SELECTION_MODE_LABELS.get(mode_text, mode_text or "Face")
@@ -783,7 +815,7 @@ def _format_float(value: float) -> str:
 
 
 def _info_to_text(info: dict[str, object]) -> str:
-    return "\n".join(f"{INFO_LABELS.get(key, key)}: {_format_value(value)}" for key, value in info.items())
+    return "\n".join(f"{INFO_LABELS.get(key, key)}: {_format_info_value(key, value)}" for key, value in info.items())
 
 
 def _part_tree_kind_label(kind: str) -> str:
@@ -807,25 +839,21 @@ def _enable_overlay_depth_offset(mapper) -> None:
 
 
 def _smooth_surface_polydata(polydata):
-    clean = vtk.vtkCleanPolyData()
-    clean.SetInputData(polydata)
-    clean.PointMergingOn()
-    clean.SetTolerance(1e-7)
-    clean.Update()
-
     normals = vtk.vtkPolyDataNormals()
-    normals.SetInputConnection(clean.GetOutputPort())
+    # build_face_polydata owns a separate point set for each B-Rep Face.
+    # Keep those boundary points separate: averaging a side-wall normal into a
+    # planar cap creates the dark triangular gradients seen in the UI.
+    normals.SetInputData(polydata)
     normals.ComputePointNormalsOn()
     normals.ComputeCellNormalsOff()
     normals.ConsistencyOn()
-    normals.SplittingOn()
-    normals.SetFeatureAngle(35.0)
-    if hasattr(normals, "AutoOrientNormalsOn"):
-        normals.AutoOrientNormalsOn()
+    normals.SplittingOff()
+    if hasattr(normals, "NonManifoldTraversalOff"):
+        normals.NonManifoldTraversalOff()
     normals.Update()
 
     smoothed = vtk.vtkPolyData()
-    smoothed.DeepCopy(normals.GetOutput())
+    smoothed.ShallowCopy(normals.GetOutput())
     return smoothed
 
 
@@ -882,6 +910,17 @@ def _format_value(value: object) -> str:
     return str(value)
 
 
+def _format_info_value(key: object, value: object) -> str:
+    key_text = str(key or "")
+    if key_text == "surface":
+        value_text = str(value or "")
+        return SURFACE_VALUE_LABELS.get(value_text, value_text)
+    if key_text == "curve":
+        value_text = str(value or "")
+        return CURVE_VALUE_LABELS.get(value_text, value_text)
+    return _format_value(value)
+
+
 def _int_values(value: object) -> list[int]:
     if value is None or value == "":
         return []