Issue #17342: 3D Model defeaturing

[modules/shaper.git] / src / GeomAlgoAPI / GeomAlgoAPI_Defeaturing.cpp

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_Defeaturing.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_Defeaturing.cpp
new file mode 100644 (file)
index 0000000..9b058e8
--- /dev/null
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_Defeaturing.cpp
@@ -0,0 +1,66 @@
+// Copyright (C) 2020  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#include <GeomAlgoAPI_Defeaturing.h>
+#include <GeomAlgoAPI_DFLoader.h>
+
+#include <BRepAlgoAPI_Defeaturing.hxx>
+
+GeomAlgoAPI_Defeaturing::GeomAlgoAPI_Defeaturing(const GeomShapePtr& theBaseSolid,
+                                                 const ListOfShape&  theFacesToRemove)
+{
+  build(theBaseSolid, theFacesToRemove);
+}
+
+void GeomAlgoAPI_Defeaturing::build(const GeomShapePtr& theBaseSolid,
+                                    const ListOfShape&  theFacesToRemove)
+{
+  if (!theBaseSolid || theFacesToRemove.empty())
+    return;
+
+  BRepAlgoAPI_Defeaturing* aDefeaturing = new BRepAlgoAPI_Defeaturing;
+  aDefeaturing->SetShape(theBaseSolid->impl<TopoDS_Shape>());
+  aDefeaturing->SetRunParallel(Standard_True);
+
+  // collect faces to remove
+  TopTools_ListOfShape aFaces;
+  for (ListOfShape::const_iterator anIt = theFacesToRemove.begin();
+       anIt != theFacesToRemove.end(); ++anIt)
+    aDefeaturing->AddFaceToRemove((*anIt)->impl<TopoDS_Shape>());
+
+  setImpl(aDefeaturing);
+  setBuilderType(OCCT_BRepBuilderAPI_MakeShape);
+
+  // build and get result
+  aDefeaturing->Build();
+  if (!aDefeaturing->IsDone() || aDefeaturing->HasErrors() || aDefeaturing->HasWarnings()) {
+    std::ostringstream errors;
+    aDefeaturing->DumpErrors(errors);
+    aDefeaturing->DumpWarnings(errors);
+    myError = errors.str();
+    return;
+  }
+
+  TopoDS_Shape aResult = GeomAlgoAPI_DFLoader::refineResult(aDefeaturing->Shape());
+
+  std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
+  aShape->setImpl(new TopoDS_Shape(aResult));
+  setShape(aShape);
+  setDone(true);
+}