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Part: for vertex, edge, wire use BRepExtrema_DistShapeShape to check whether point is inside

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wmayer
2021-10-23 16:39:28 +02:00
parent 7dc3f5ff28
commit 12fe72e66e
1 changed files with 34 additions and 10 deletions
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44
src/Mod/Part/App/TopoShapePyImp.cpp
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@@ -26,6 +26,7 @@
# include <sstream>
# include <BRepMesh_IncrementalMesh.hxx>
# include <BRepBuilderAPI_Copy.hxx>
# include <BRepBuilderAPI_MakeVertex.hxx>
# include <BRepBuilderAPI_Sewing.hxx>
# include <BRepBuilderAPI_Transform.hxx>
# include <BRepClass3d_SolidClassifier.hxx>
@@ -2198,26 +2199,49 @@ PyObject* TopoShapePy::isInside(PyObject *args)
PyObject* checkFace = Py_False;
TopAbs_State stateIn = TopAbs_IN;
if (!PyArg_ParseTuple(args, "O!dO!", &(Base::VectorPy::Type), &point, &tolerance, &PyBool_Type, &checkFace))
return NULL;
return nullptr;
try {
TopoDS_Shape shape = getTopoShapePtr()->getShape();
BRepClass3d_SolidClassifier solidClassifier(shape);
if (shape.IsNull()) {
PyErr_SetString(PartExceptionOCCError, "Cannot handle null shape");
return nullptr;
}
Base::Vector3d pnt = static_cast<Base::VectorPy*>(point)->value();
gp_Pnt vertex = gp_Pnt(pnt.x,pnt.y,pnt.z);
solidClassifier.Perform(vertex, tolerance);
Standard_Boolean test = (solidClassifier.State() == stateIn);
if (PyObject_IsTrue(checkFace) && (solidClassifier.IsOnAFace()))
test = Standard_True;
return Py_BuildValue("O", (test ? Py_True : Py_False));
if (shape.ShapeType() == TopAbs_VERTEX ||
shape.ShapeType() == TopAbs_EDGE ||
shape.ShapeType() == TopAbs_WIRE) {
BRepBuilderAPI_MakeVertex mkVertex(vertex);
BRepExtrema_DistShapeShape extss;
extss.LoadS1(mkVertex.Vertex());
extss.LoadS2(shape);
if (!extss.Perform()) {
PyErr_SetString(PartExceptionOCCError, "Failed to determine distance to shape");
return nullptr;
}
Standard_Boolean test = (extss.Value() <= tolerance);
return Py_BuildValue("O", (test ? Py_True : Py_False));
}
else {
BRepClass3d_SolidClassifier solidClassifier(shape);
solidClassifier.Perform(vertex, tolerance);
Standard_Boolean test = (solidClassifier.State() == stateIn);
if (PyObject_IsTrue(checkFace) && (solidClassifier.IsOnAFace()))
test = Standard_True;
return Py_BuildValue("O", (test ? Py_True : Py_False));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return NULL;
return nullptr;
}
catch (const std::exception& e) {
PyErr_SetString(PartExceptionOCCError, e.what());
return NULL;
return nullptr;
}
}