Update sample

sample

@@ -17,3 +17,82 @@ Formula (inverse-frequency, mean-normalized):
 
 Computed weights (class 0..6):
 [0.189313, 0.312012, 1.356881, 2.309691, 0.639101, 0.517706, 1.675296]
+
+
+
+
+
+
+### Check No of faces
+
+# compare_step_faces.py
+from OCC.Core.STEPControl import STEPControl_Reader
+from OCC.Core.IFSelect import IFSelect_RetDone
+from OCC.Core.TopExp import TopExp_Explorer
+from OCC.Core.TopAbs import TopAbs_FACE
+from OCC.Core.TopoDS import topods
+
+try:
+    # pythonocc (common) helper
+    from OCC.Extend.TopologyUtils import TopologyExplorer
+except Exception as e:
+    TopologyExplorer = None
+
+from occwl.io import load_step
+
+
+def _load_shape_stepcontrol(step_path: str):
+    reader = STEPControl_Reader()
+    status = reader.ReadFile(step_path)
+    if status != IFSelect_RetDone:
+        raise RuntimeError(f"STEP read failed: status={status}")
+    reader.TransferRoots()
+    shape = reader.OneShape()
+    return shape
+
+
+def count_faces_method1(step_path: str) -> int:
+    if TopologyExplorer is None:
+        raise RuntimeError("TopologyExplorer not available. Check pythonocc installation.")
+    shape = _load_shape_stepcontrol(step_path)
+    top_exp = TopologyExplorer(shape, ignore_orientation=True)
+    faces = [f for f in top_exp.faces()]
+    return len(faces)
+
+
+def count_faces_method2(step_path: str) -> int:
+    shape = _load_shape_stepcontrol(step_path)
+    explorer = TopExp_Explorer(shape, TopAbs_FACE)
+    count = 0
+    while explorer.More():
+        _face = topods.Face(explorer.Current())
+        count += 1
+        explorer.Next()
+    return count
+
+
+def count_faces_method3(step_path: str) -> int:
+    solids = load_step(step_path)
+    if len(solids) != 1:
+        raise RuntimeError(f"Expected 1 solid, got {len(solids)}")
+    solid = solids[0]
+    faces = [f for f in solid.faces()]
+    return len(faces)
+
+
+def compare_counts(step_path: str):
+    m1 = count_faces_method1(step_path)
+    m2 = count_faces_method2(step_path)
+    m3 = count_faces_method3(step_path)
+
+    print(f"Method 1 (TopologyExplorer): {m1}")
+    print(f"Method 2 (TopExp_Explorer):  {m2}")
+    print(f"Method 3 (occwl load_step): {m3}")
+
+    all_same = (m1 == m2 == m3)
+    print(f"All methods match: {all_same}")
+
+
+if __name__ == "__main__":
+    step_path = r"C:\Users\FCI\Desktop\0m-3623639.stp"
+    compare_counts(step_path)