x

2026-04-30 16:06:15 +08:00
parent f9acdb767b
commit 838604fddf
3 changed files with 104 additions and 0 deletions
@@ -578,6 +578,34 @@ class BaseMoldGenerator:
                "face_count": 0,
            }

+    def _extract_plane_metadata(self, surface: Any) -> Dict[str, Any]:
+        """从分型面提取平面元数据（法向量、原点、边界）"""
+        metadata = {
+            "normal": [0.0, 0.0, 1.0],
+            "origin": [0.0, 0.0, 0.0],
+            "bounds": {"min": [0.0, 0.0, 0.0], "max": [0.0, 0.0, 0.0]},
+        }
+        try:
+            surface_adaptor = BRepAdaptor_Surface(surface)
+            if surface_adaptor.GetType() == 0:
+                plane = surface_adaptor.Plane()
+                axis = plane.Axis()
+                normal = axis.Direction()
+                origin = plane.Location()
+                metadata["normal"] = [float(normal.X()), float(normal.Y()), float(normal.Z())]
+                metadata["origin"] = [float(origin.X()), float(origin.Y()), float(origin.Z())]
+
+            bbox = Bnd_Box()
+            brepbndlib.Add(surface, bbox)
+            xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
+            metadata["bounds"] = {
+                "min": [float(xmin), float(ymin), float(zmin)],
+                "max": [float(xmax), float(ymax), float(zmax)],
+            }
+        except Exception as e:
+            logger.warning(f"提取平面元数据失败: {e}")
+        return metadata
+
    def _calculate_product_weight(self, analysis: Dict) -> str:
        volume_cm3 = analysis.get("volume", 0) / 1000
        weight_g = volume_cm3 * self.material_density