-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: GeomAlgoAPI_ShapeTools.h
-// Created: 3 August 2015
-// Author: Dmitry Bobylev
+// Copyright (C) 2014-2017 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<mailto:webmaster.salome@opencascade.com>
+//
#include "GeomAlgoAPI_ShapeTools.h"
#include <BRepTools.hxx>
#include <BRepTopAdaptor_FClass2d.hxx>
#include <Geom2d_Curve.hxx>
-#include <Handle_Geom2d_Curve.hxx>
+#include <Geom2d_Curve.hxx>
#include <BRepLib_CheckCurveOnSurface.hxx>
#include <BRep_Tool.hxx>
#include <Geom_Plane.hxx>
}
//==================================================================================================
-std::shared_ptr<GeomAPI_Pnt> GeomAlgoAPI_ShapeTools::centreOfMass(const std::shared_ptr<GeomAPI_Shape> theShape)
+std::shared_ptr<GeomAPI_Pnt>
+ GeomAlgoAPI_ShapeTools::centreOfMass(const std::shared_ptr<GeomAPI_Shape> theShape)
{
GProp_GProps aGProps;
if(!theShape) {
}
//==================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(const std::shared_ptr<GeomAPI_Shape> theCompound,
- const GeomAPI_Shape::ShapeType theType,
- ListOfShape& theCombinedShapes,
- ListOfShape& theFreeShapes)
+std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(
+ const std::shared_ptr<GeomAPI_Shape> theCompound,
+ const GeomAPI_Shape::ShapeType theType,
+ ListOfShape& theCombinedShapes,
+ ListOfShape& theFreeShapes)
{
GeomShapePtr aResult = theCompound;
// Get all shapes with common subshapes and free shapes.
NCollection_Map<TopoDS_Shape> aFreeShapes;
NCollection_Vector<NCollection_Map<TopoDS_Shape>> aShapesWithCommonSubshapes;
- for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator anIter(aMapSA); anIter.More(); anIter.Next()) {
+ for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator
+ anIter(aMapSA); anIter.More(); anIter.Next()) {
const TopoDS_Shape& aShape = anIter.Key();
BOPCol_ListOfShape& aListOfShape = anIter.ChangeValue();
if(aListOfShape.IsEmpty()) {
aFreeShapes.Remove(aF);
aFreeShapes.Remove(aL);
aListOfShape.Clear();
- for(NCollection_List<TopoDS_Shape>::Iterator aTempIter(aTempList); aTempIter.More(); aTempIter.Next()) {
+ for(NCollection_List<TopoDS_Shape>::Iterator
+ aTempIter(aTempList); aTempIter.More(); aTempIter.Next()) {
const TopoDS_Shape& aTempShape = aTempIter.Value();
- for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator anIter(aMapSA); anIter.More(); anIter.Next()) {
+ for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator
+ anIter(aMapSA); anIter.More(); anIter.Next()) {
BOPCol_ListOfShape& aTempListOfShape = anIter.ChangeValue();
if(aTempListOfShape.IsEmpty()) {
continue;
}
// Combine shapes with common subshapes.
- for(NCollection_Vector<NCollection_Map<TopoDS_Shape>>::Iterator anIter(aShapesWithCommonSubshapes); anIter.More(); anIter.Next()) {
+ for(NCollection_Vector<NCollection_Map<TopoDS_Shape>>::Iterator
+ anIter(aShapesWithCommonSubshapes); anIter.More(); anIter.Next()) {
TopoDS_Shell aShell;
TopoDS_CompSolid aCSolid;
TopoDS_Builder aBuilder;
- theType == GeomAPI_Shape::COMPSOLID ? aBuilder.MakeCompSolid(aCSolid) : aBuilder.MakeShell(aShell);
+ theType ==
+ GeomAPI_Shape::COMPSOLID ? aBuilder.MakeCompSolid(aCSolid) : aBuilder.MakeShell(aShell);
NCollection_Map<TopoDS_Shape>& aShapesMap = anIter.ChangeValue();
for(TopExp_Explorer anExp(aShapesComp, aTA); anExp.More(); anExp.Next()) {
const TopoDS_Shape& aShape = anExp.Current();
if(aShapesMap.Contains(aShape)) {
- theType == GeomAPI_Shape::COMPSOLID ? aBuilder.Add(aCSolid, aShape) : aBuilder.Add(aShell, aShape);
+ theType ==
+ GeomAPI_Shape::COMPSOLID ? aBuilder.Add(aCSolid, aShape) : aBuilder.Add(aShell, aShape);
aShapesMap.Remove(aShape);
}
}
std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
- TopoDS_Shape* aSh = theType == GeomAPI_Shape::COMPSOLID ? new TopoDS_Shape(aCSolid) : new TopoDS_Shape(aShell);
+ TopoDS_Shape* aSh = theType == GeomAPI_Shape::COMPSOLID ? new TopoDS_Shape(aCSolid) :
+ new TopoDS_Shape(aShell);
aGeomShape->setImpl<TopoDS_Shape>(aSh);
theCombinedShapes.push_back(aGeomShape);
}
TopoDS_Compound aResultComp;
TopoDS_Builder aBuilder;
aBuilder.MakeCompound(aResultComp);
- for(ListOfShape::const_iterator anIter = theCombinedShapes.cbegin(); anIter != theCombinedShapes.cend(); anIter++) {
+ for(ListOfShape::const_iterator anIter = theCombinedShapes.cbegin();
+ anIter != theCombinedShapes.cend(); anIter++) {
aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
}
- for(ListOfShape::const_iterator anIter = theFreeShapes.cbegin(); anIter != theFreeShapes.cend(); anIter++) {
+ for(ListOfShape::const_iterator anIter = theFreeShapes.cbegin();
+ anIter != theFreeShapes.cend(); anIter++) {
aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
}
aResult->setImpl(new TopoDS_Shape(aResultComp));
}
//==================================================================================================
-static void addSimpleShapeToList(const TopoDS_Shape& theShape, NCollection_List<TopoDS_Shape>& theList)
+static void addSimpleShapeToList(const TopoDS_Shape& theShape,
+ NCollection_List<TopoDS_Shape>& theList)
{
if(theShape.IsNull()) {
return;
}
//==================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::groupSharedTopology(const std::shared_ptr<GeomAPI_Shape> theCompound)
+std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::groupSharedTopology(
+ const std::shared_ptr<GeomAPI_Shape> theCompound)
{
GeomShapePtr aResult = theCompound;
}
TopoDS_Shape anInShape = aResult->impl<TopoDS_Shape>();
- NCollection_List<TopoDS_Shape> anUngroupedShapes;
+ NCollection_List<TopoDS_Shape> anUngroupedShapes, aStillUngroupedShapes;
addSimpleShapeToList(anInShape, anUngroupedShapes);
- NCollection_Vector<NCollection_List<TopoDS_Shape>> aGroups;
- while(!anUngroupedShapes.IsEmpty()) {
- NCollection_List<TopoDS_Shape> aGroupedShapes;
- aGroupedShapes.Append(anUngroupedShapes.First());
- anUngroupedShapes.RemoveFirst();
- for(NCollection_List<TopoDS_Shape>::Iterator aGroupIt(aGroupedShapes); aGroupIt.More(); aGroupIt.Next()) {
- const TopoDS_Shape& aGroupShape = aGroupIt.Value();
- for(NCollection_List<TopoDS_Shape>::Iterator anUngroupedIt(anUngroupedShapes); anUngroupedIt.More(); anUngroupedIt.Next()) {
- const TopoDS_Shape& anUngroupedShape = anUngroupedIt.Value();
- bool isFound = false;
- for(TopExp_Explorer aGroupShapeExp(aGroupShape, TopAbs_VERTEX); aGroupShapeExp.More(); aGroupShapeExp.Next()) {
- const TopoDS_Shape& aVertex1 = aGroupShapeExp.Current();
- for(TopExp_Explorer anUngroupedShapeExp(anUngroupedShape, TopAbs_VERTEX); anUngroupedShapeExp.More(); anUngroupedShapeExp.Next()) {
- const TopoDS_Shape& aVertex2 = anUngroupedShapeExp.Current();
- if(aVertex1.IsSame(aVertex2)) {
- aGroupedShapes.Append(anUngroupedShape);
- anUngroupedShapes.Remove(anUngroupedIt);
- isFound = true;
- break;
- }
- }
- if(isFound) {
- break;
+ // Iterate over all shapes and find shapes with shared vertices.
+ TopTools_ListOfShape aMapOrder;
+ BOPCol_DataMapOfShapeListOfShape aVertexShapesMap;
+ for(NCollection_List<TopoDS_Shape>::Iterator aShapesIt(anUngroupedShapes);
+ aShapesIt.More();
+ aShapesIt.Next()) {
+ const TopoDS_Shape& aShape = aShapesIt.Value();
+ for(TopExp_Explorer aShapeExp(aShape, TopAbs_VERTEX);
+ aShapeExp.More();
+ aShapeExp.Next()) {
+ const TopoDS_Shape& aVertex = aShapeExp.Current();
+ if (!aVertexShapesMap.IsBound(aVertex)) {
+ NCollection_List<TopoDS_Shape> aList;
+ aList.Append(aShape);
+ aMapOrder.Append(aVertex);
+ aVertexShapesMap.Bind(aVertex, aList);
+ } else {
+ if(!aVertexShapesMap.ChangeFind(aVertex).Contains(aShape)) {
+ aVertexShapesMap.ChangeFind(aVertex).Append(aShape);
+ }
+ }
+ }
+ }
+
+ // Iterate over the map and group shapes.
+ NCollection_Vector<TopTools_ListOfShape> aGroups;
+ while (!aMapOrder.IsEmpty()) {
+ // Get first group of shapes in map, and then unbind it.
+ const TopoDS_Shape& aKey = aMapOrder.First();
+ TopTools_ListOfShape aGroupedShapes = aVertexShapesMap.Find(aKey);
+ aVertexShapesMap.UnBind(aKey);
+ aMapOrder.Remove(aKey);
+ // Iterate over shapes in this group and add to it shapes from groups in map.
+ for(TopTools_ListOfShape::Iterator aGroupIt(aGroupedShapes);
+ aGroupIt.More(); aGroupIt.Next()) {
+ const TopoDS_Shape& aGroupedShape = aGroupIt.Value();
+ TopTools_ListOfShape aKeysToUnbind;
+ for(TopTools_ListOfShape::Iterator aKeysIt(aMapOrder);
+ aKeysIt.More();
+ aKeysIt.Next()) {
+ const TopTools_ListOfShape& aGroupInMap = aVertexShapesMap(aKeysIt.Value());
+ if(!aGroupInMap.Contains(aGroupedShape)) {
+ // Group in map does not containt shape from our group, so go to the next group in map.
+ continue;
+ }
+ // Iterate over shape in group in map, and add new shapes into our group.
+ for(TopTools_ListOfShape::Iterator aGroupInMapIt(aGroupInMap);
+ aGroupInMapIt.More();
+ aGroupInMapIt.Next()) {
+ const TopoDS_Shape& aShape = aGroupInMapIt.Value();
+ if (!aGroupedShapes.Contains(aShape)) {
+ aGroupedShapes.Append(aShape);
}
}
- if(!anUngroupedIt.More()) {
- break;
+ // Save key to unbind from this map.
+ aKeysToUnbind.Append(aKeysIt.Value());
+ }
+ // Unbind groups from map that we added to our group.
+ for(TopTools_ListOfShape::Iterator aKeysIt(aKeysToUnbind);
+ aKeysIt.More();
+ aKeysIt.Next()) {
+ aVertexShapesMap.UnBind(aKeysIt.Value());
+ aMapOrder.Remove(aKeysIt.Value());
+ }
+ }
+ // Sort shapes.
+ TopTools_ListOfShape aSortedGroup;
+ for(int aST = TopAbs_COMPOUND; aST <= TopAbs_SHAPE; ++aST) {
+ TopTools_ListOfShape::Iterator anIt(aGroupedShapes);
+ while (anIt.More()) {
+ if(anIt.Value().ShapeType() == aST) {
+ aSortedGroup.Append(anIt.Value());
+ aGroupedShapes.Remove(anIt);
+ } else {
+ anIt.Next();
}
}
}
- aGroups.Append(aGroupedShapes);
+ aGroups.Append(aSortedGroup);
}
- if(aGroups.Size() == 1) {
- NCollection_List<TopoDS_Shape> aGroup = aGroups.First();
+ TopoDS_Compound aCompound;
+ BRep_Builder aBuilder;
+ aBuilder.MakeCompound(aCompound);
+ ListOfShape aCompSolids, aFreeSolids;
+ for(NCollection_Vector<NCollection_List<TopoDS_Shape>>::Iterator
+ anIt(aGroups); anIt.More(); anIt.Next()) {
+ NCollection_List<TopoDS_Shape> aGroup = anIt.Value();
GeomShapePtr aGeomShape(new GeomAPI_Shape());
- aGeomShape->setImpl(new TopoDS_Shape(makeCompound(aGroup)));
- ListOfShape aCompSolids, aFreeSolids;
- aGeomShape = GeomAlgoAPI_ShapeTools::combineShapes(aGeomShape,
- GeomAPI_Shape::COMPSOLID,
- aCompSolids,
- aFreeSolids);
- aResult = aGeomShape;
- } else {
- TopoDS_Compound aCompound;
- BRep_Builder aBuilder;
- aBuilder.MakeCompound(aCompound);
- ListOfShape aCompSolids, aFreeSolids;
- for(NCollection_Vector<NCollection_List<TopoDS_Shape>>::Iterator anIt(aGroups); anIt.More(); anIt.Next()) {
- NCollection_List<TopoDS_Shape> aGroup = anIt.Value();
- GeomShapePtr aGeomShape(new GeomAPI_Shape());
- if(aGroup.Size() == 1) {
- aGeomShape->setImpl(new TopoDS_Shape(aGroup.First()));
- } else {
- aGeomShape->setImpl(new TopoDS_Shape(makeCompound(aGroup)));
- aGeomShape = GeomAlgoAPI_ShapeTools::combineShapes(aGeomShape,
- GeomAPI_Shape::COMPSOLID,
- aCompSolids,
- aFreeSolids);
- }
- aBuilder.Add(aCompound, aGeomShape->impl<TopoDS_Shape>());
+ if(aGroup.Size() == 1) {
+ aGeomShape->setImpl(new TopoDS_Shape(aGroup.First()));
+ } else {
+ aGeomShape->setImpl(new TopoDS_Shape(makeCompound(aGroup)));
+ aGeomShape = GeomAlgoAPI_ShapeTools::combineShapes(aGeomShape,
+ GeomAPI_Shape::COMPSOLID,
+ aCompSolids,
+ aFreeSolids);
}
+ aBuilder.Add(aCompound, aGeomShape->impl<TopoDS_Shape>());
+ }
- if(!aCompound.IsNull()) {
- aResult->setImpl(new TopoDS_Shape(aCompound));
- }
+ if(!aCompound.IsNull()) {
+ aResult->setImpl(new TopoDS_Shape(aCompound));
}
return aResult;
}
//==================================================================================================
-std::list<std::shared_ptr<GeomAPI_Pnt> > GeomAlgoAPI_ShapeTools::getBoundingBox(const ListOfShape& theShapes, const double theEnlarge)
+std::list<std::shared_ptr<GeomAPI_Pnt> >
+ GeomAlgoAPI_ShapeTools::getBoundingBox(const ListOfShape& theShapes, const double theEnlarge)
{
// Bounding box of all objects.
Bnd_Box aBndBox;
// Getting box.
- for (ListOfShape::const_iterator anObjectsIt = theShapes.begin(); anObjectsIt != theShapes.end(); anObjectsIt++) {
+ for (ListOfShape::const_iterator
+ anObjectsIt = theShapes.begin(); anObjectsIt != theShapes.end(); anObjectsIt++) {
const TopoDS_Shape& aShape = (*anObjectsIt)->impl<TopoDS_Shape>();
BRepBndLib::Add(aShape, aBndBox);
}
}
//==================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::faceToInfinitePlane(const std::shared_ptr<GeomAPI_Shape> theFace)
+std::shared_ptr<GeomAPI_Shape>
+ GeomAlgoAPI_ShapeTools::faceToInfinitePlane(const std::shared_ptr<GeomAPI_Shape> theFace)
{
if (!theFace.get())
return std::shared_ptr<GeomAPI_Shape>();
}
//==================================================================================================
-std::shared_ptr<GeomAPI_Face> GeomAlgoAPI_ShapeTools::fitPlaneToBox(const std::shared_ptr<GeomAPI_Shape> thePlane,
- const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints)
+std::shared_ptr<GeomAPI_Face> GeomAlgoAPI_ShapeTools::fitPlaneToBox(
+ const std::shared_ptr<GeomAPI_Shape> thePlane,
+ const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints)
{
std::shared_ptr<GeomAPI_Face> aResultFace;
IntAna_Quadric aQuadric(aFacePln);
Standard_Real UMin, UMax, VMin, VMax;
UMin = UMax = VMin = VMax = 0;
- for (std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPointsIt = thePoints.begin(); aPointsIt != thePoints.end(); aPointsIt++) {
+ for (std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator
+ aPointsIt = thePoints.begin(); aPointsIt != thePoints.end(); aPointsIt++) {
const gp_Pnt& aPnt = (*aPointsIt)->impl<gp_Pnt>();
gp_Lin aLin(aPnt, aFacePln.Axis().Direction());
IntAna_IntConicQuad anIntAna(aLin, aQuadric);
}
//==================================================================================================
-bool GeomAlgoAPI_ShapeTools::isSubShapeInsideShape(const std::shared_ptr<GeomAPI_Shape> theSubShape,
- const std::shared_ptr<GeomAPI_Shape> theBaseShape)
+bool GeomAlgoAPI_ShapeTools::isSubShapeInsideShape(
+ const std::shared_ptr<GeomAPI_Shape> theSubShape,
+ const std::shared_ptr<GeomAPI_Shape> theBaseShape)
{
if(!theSubShape.get() || !theBaseShape.get()) {
return false;
// No intersections found. Edge is inside or outside face. Check it.
BRepAdaptor_Curve aCurveAdaptor(anEdge);
- gp_Pnt aPointToCheck = aCurveAdaptor.Value((aCurveAdaptor.FirstParameter() + aCurveAdaptor.LastParameter()) / 2.0);
+ gp_Pnt aPointToCheck =
+ aCurveAdaptor.Value((aCurveAdaptor.FirstParameter() +
+ aCurveAdaptor.LastParameter()) / 2.0);
Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
ShapeAnalysis_Surface aSAS(aSurface);
gp_Pnt2d aPointOnFace = aSAS.ValueOfUV(aPointToCheck, Precision::Confusion());
}
//==================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::getFaceOuterWire(const std::shared_ptr<GeomAPI_Shape> theFace)
+std::shared_ptr<GeomAPI_Shape>
+ GeomAlgoAPI_ShapeTools::getFaceOuterWire(const std::shared_ptr<GeomAPI_Shape> theFace)
{
GeomShapePtr anOuterWire;
//==================================================================================================
void GeomAlgoAPI_ShapeTools::splitShape(const std::shared_ptr<GeomAPI_Shape>& theBaseShape,
+ const GeomAlgoAPI_ShapeTools::PointToRefsMap& thePointsInfo,
+ std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
+{
+ // to split shape at least one point should be presented in the points container
+ if (thePointsInfo.empty())
+ return;
+
+ // General Fuse to split edge by vertices
+ BOPAlgo_Builder aBOP;
+ TopoDS_Edge aBaseEdge = theBaseShape->impl<TopoDS_Edge>();
+ // Rebuild closed edge to place vertex to one of split points.
+ // This will prevent edge to be split on same vertex.
+ if (BRep_Tool::IsClosed(aBaseEdge))
+ {
+ Standard_Real aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve(aBaseEdge, aFirst, aLast);
+
+ PointToRefsMap::const_iterator aPIt = thePointsInfo.begin();
+ std::shared_ptr<GeomAPI_Pnt> aPnt = aPIt->first;
+ gp_Pnt aPoint(aPnt->x(), aPnt->y(), aPnt->z());
+
+ TopAbs_Orientation anOrientation = aBaseEdge.Orientation();
+ aBaseEdge = BRepBuilderAPI_MakeEdge(aCurve, aPoint, aPoint).Edge();
+ aBaseEdge.Orientation(anOrientation);
+ }
+ aBOP.AddArgument(aBaseEdge);
+
+ PointToRefsMap::const_iterator aPIt = thePointsInfo.begin();
+ for (; aPIt != thePointsInfo.end(); ++aPIt) {
+ std::shared_ptr<GeomAPI_Pnt> aPnt = aPIt->first;
+ TopoDS_Vertex aV = BRepBuilderAPI_MakeVertex(gp_Pnt(aPnt->x(), aPnt->y(), aPnt->z()));
+ aBOP.AddArgument(aV);
+ }
+
+ aBOP.Perform();
+ if (aBOP.ErrorStatus())
+ return;
+
+ // Collect splits
+ const TopTools_ListOfShape& aSplits = aBOP.Modified(aBaseEdge);
+ TopTools_ListIteratorOfListOfShape anIt(aSplits);
+ for (; anIt.More(); anIt.Next()) {
+ std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
+ anEdge->setImpl(new TopoDS_Shape(anIt.Value()));
+ theShapes.insert(anEdge);
+ }
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeTools::splitShape_p(const std::shared_ptr<GeomAPI_Shape>& theBaseShape,
const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints,
std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
{
aBOP.Perform();
if (aBOP.ErrorStatus())
return;
-
+
// Collect splits
const TopTools_ListOfShape& aSplits = aBOP.Modified(aBaseEdge);
TopTools_ListIteratorOfListOfShape anIt(aSplits);
