// Created: 3 August 2015
// Author: Dmitry Bobylev
-#include <GeomAlgoAPI_ShapeTools.h>
+#include "GeomAlgoAPI_ShapeTools.h"
-#include <GeomAlgoAPI_CompoundBuilder.h>
+#include "GeomAlgoAPI_SketchBuilder.h"
-#include <gp_Pln.hxx>
+#include <GeomAPI_Edge.h>
+#include <GeomAPI_Dir.h>
+#include <GeomAPI_Face.h>
+#include <GeomAPI_Pln.h>
+#include <GeomAPI_Pnt.h>
#include <Bnd_Box.hxx>
#include <BOPTools.hxx>
+#include <BRep_Builder.hxx>
+#include <BRepAdaptor_Curve.hxx>
+#include <BRepAlgo_FaceRestrictor.hxx>
#include <BRepBndLib.hxx>
+#include <BRepBuilderAPI_FindPlane.hxx>
+#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRepCheck_Analyzer.hxx>
+#include <BRepExtrema_DistShapeShape.hxx>
+#include <BRepExtrema_ExtCF.hxx>
#include <BRepGProp.hxx>
#include <BRepTools.hxx>
+#include <BRepTopAdaptor_FClass2d.hxx>
+#include <Geom2d_Curve.hxx>
+#include <Handle_Geom2d_Curve.hxx>
+#include <BRepLib_CheckCurveOnSurface.hxx>
#include <BRep_Tool.hxx>
#include <Geom_Plane.hxx>
#include <GeomLib_IsPlanarSurface.hxx>
#include <GeomLib_Tool.hxx>
+#include <gp_Pln.hxx>
#include <GProp_GProps.hxx>
#include <IntAna_IntConicQuad.hxx>
#include <IntAna_Quadric.hxx>
#include <NCollection_Vector.hxx>
-#include <TCollection_AsciiString.hxx>
+#include <ShapeAnalysis.hxx>
+#include <ShapeAnalysis_Surface.hxx>
#include <TopoDS_Builder.hxx>
+#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Shell.hxx>
+#include <TopoDS_Vertex.hxx>
#include <TopoDS.hxx>
#include <TopExp_Explorer.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <BOPAlgo_Builder.hxx>
+#include <BRepBuilderAPI_MakeVertex.hxx>
+#include <TopoDS_Edge.hxx>
-//=================================================================================================
+//==================================================================================================
double GeomAlgoAPI_ShapeTools::volume(const std::shared_ptr<GeomAPI_Shape> theShape)
{
GProp_GProps aGProps;
- if(!theShape) {
+ if(!theShape.get()) {
return 0.0;
}
const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
if(aShape.IsNull()) {
return 0.0;
}
- BRepGProp::VolumeProperties(aShape, aGProps);
+ const Standard_Real anEps = 1.e-6;
+ BRepGProp::VolumeProperties(aShape, aGProps, anEps);
return aGProps.Mass();
}
-//=================================================================================================
+//==================================================================================================
std::shared_ptr<GeomAPI_Pnt> GeomAlgoAPI_ShapeTools::centreOfMass(const std::shared_ptr<GeomAPI_Shape> theShape)
{
GProp_GProps aGProps;
if(aShape.IsNull()) {
return std::shared_ptr<GeomAPI_Pnt>();
}
- BRepGProp::SurfaceProperties(aShape, aGProps);
- gp_Pnt aCentre = aGProps.CentreOfMass();
+ gp_Pnt aCentre;
+ if(aShape.ShapeType() == TopAbs_VERTEX) {
+ aCentre = BRep_Tool::Pnt(TopoDS::Vertex(aShape));
+ } else if(aShape.ShapeType() == TopAbs_EDGE || aShape.ShapeType() == TopAbs_WIRE) {
+ BRepGProp::LinearProperties(aShape, aGProps);
+ aCentre = aGProps.CentreOfMass();
+ } else {
+ BRepGProp::SurfaceProperties(aShape, aGProps);
+ aCentre = aGProps.CentreOfMass();
+ }
return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aCentre.X(), aCentre.Y(), aCentre.Z()));
}
-//=================================================================================================
-void 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;
+
if(!theCompound.get()) {
- return;
+ return aResult;
}
if(theType != GeomAPI_Shape::SHELL && theType != GeomAPI_Shape::COMPSOLID) {
- return;
+ return aResult;
}
TopAbs_ShapeEnum aTS = TopAbs_EDGE;
aTA = TopAbs_SOLID;
}
- // Map subshapes and shapes.
+ theCombinedShapes.clear();
+ theFreeShapes.clear();
+
+ // Get free shapes.
const TopoDS_Shape& aShapesComp = theCompound->impl<TopoDS_Shape>();
- BOPCol_IndexedDataMapOfShapeListOfShape aMapEF;
- BOPTools::MapShapesAndAncestors(aShapesComp, aTS, aTA, aMapEF);
- if(aMapEF.IsEmpty()) {
- return;
+ for(TopoDS_Iterator anIter(aShapesComp); anIter.More(); anIter.Next() ) {
+ const TopoDS_Shape& aShape = anIter.Value();
+ if(aShape.ShapeType() > aTA) {
+ std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
+ aGeomShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aShape));
+ theFreeShapes.push_back(aGeomShape);
+ }
+ }
+
+ // Map subshapes and shapes.
+ BOPCol_IndexedDataMapOfShapeListOfShape aMapSA;
+ BOPTools::MapShapesAndAncestors(aShapesComp, aTS, aTA, aMapSA);
+ if(aMapSA.IsEmpty()) {
+ return aResult;
}
// 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(aMapEF); 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()) {
aListOfShape.Clear();
for(NCollection_List<TopoDS_Shape>::Iterator aTempIter(aTempList); aTempIter.More(); aTempIter.Next()) {
const TopoDS_Shape& aTempShape = aTempIter.Value();
- for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator anIter(aMapEF); anIter.More(); anIter.Next()) {
+ for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator anIter(aMapSA); anIter.More(); anIter.Next()) {
BOPCol_ListOfShape& aTempListOfShape = anIter.ChangeValue();
if(aTempListOfShape.IsEmpty()) {
continue;
theFreeShapes.push_back(aGeomShape);
}
}
+
+ if(theCombinedShapes.size() == 1 && theFreeShapes.size() == 0) {
+ aResult = theCombinedShapes.front();
+ } else if(theCombinedShapes.size() == 0 && theFreeShapes.size() == 1) {
+ aResult = theFreeShapes.front();
+ } else {
+ TopoDS_Compound aResultComp;
+ TopoDS_Builder aBuilder;
+ aBuilder.MakeCompound(aResultComp);
+ 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++) {
+ aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
+ }
+ aResult->setImpl(new TopoDS_Shape(aResultComp));
+ }
+
+ return aResult;
}
-//=================================================================================================
+//==================================================================================================
+static void addSimpleShapeToList(const TopoDS_Shape& theShape, NCollection_List<TopoDS_Shape>& theList)
+{
+ if(theShape.IsNull()) {
+ return;
+ }
+
+ if(theShape.ShapeType() == TopAbs_COMPOUND) {
+ for(TopoDS_Iterator anIt(theShape); anIt.More(); anIt.Next()) {
+ addSimpleShapeToList(anIt.Value(), theList);
+ }
+ } else {
+ theList.Append(theShape);
+ }
+}
+
+//==================================================================================================
+static TopoDS_Compound makeCompound(const NCollection_List<TopoDS_Shape> theShapes)
+{
+ TopoDS_Compound aCompound;
+
+ BRep_Builder aBuilder;
+ aBuilder.MakeCompound(aCompound);
+
+ for(NCollection_List<TopoDS_Shape>::Iterator anIt(theShapes); anIt.More(); anIt.Next()) {
+ aBuilder.Add(aCompound, anIt.Value());
+ }
+
+ return aCompound;
+}
+
+//==================================================================================================
+std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::groupSharedTopology(const std::shared_ptr<GeomAPI_Shape> theCompound)
+{
+ GeomShapePtr aResult = theCompound;
+
+ if(!theCompound.get()) {
+ return aResult;
+ }
+
+ TopoDS_Shape anInShape = aResult->impl<TopoDS_Shape>();
+ NCollection_List<TopoDS_Shape> anUngroupedShapes;
+ 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;
+ }
+ }
+ if(!anUngroupedIt.More()) {
+ break;
+ }
+ }
+ }
+ aGroups.Append(aGroupedShapes);
+ }
+
+ if(aGroups.Size() == 1) {
+ NCollection_List<TopoDS_Shape> aGroup = aGroups.First();
+ 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(!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)
{
// Bounding box of all objects.
return aResultPoints;
}
-//=================================================================================================
+//==================================================================================================
std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::faceToInfinitePlane(const std::shared_ptr<GeomAPI_Shape> theFace)
{
if (!theFace.get())
return aResult;
}
-//=================================================================================================
-std::shared_ptr<GeomAPI_Shape> 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_Shape> aResultShape;
+ std::shared_ptr<GeomAPI_Face> aResultFace;
if(!thePlane.get()) {
- return aResultShape;
+ return aResultFace;
}
const TopoDS_Shape& aShape = thePlane->impl<TopoDS_Shape>();
if(aShape.ShapeType() != TopAbs_FACE) {
- return aResultShape;
+ return aResultFace;
}
TopoDS_Face aFace = TopoDS::Face(aShape);
Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
if(aSurf.IsNull()) {
- return aResultShape;
+ return aResultFace;
}
GeomLib_IsPlanarSurface isPlanar(aSurf);
if(!isPlanar.IsPlanar()) {
- return aResultShape;
+ return aResultFace;
}
if(thePoints.size() != 8) {
- return aResultShape;
+ return aResultFace;
}
const gp_Pln& aFacePln = isPlanar.Plan();
if(aPntV < VMin) VMin = aPntV;
if(aPntV > VMax) VMax = aPntV;
}
- aResultShape.reset(new GeomAPI_Shape);
- aResultShape->setImpl(new TopoDS_Shape(BRepLib_MakeFace(aFacePln, UMin, UMax, VMin, VMax).Face()));
+ aResultFace.reset(new GeomAPI_Face());
+ aResultFace->setImpl(new TopoDS_Face(BRepLib_MakeFace(aFacePln, UMin, UMax, VMin, VMax).Face()));
+
+ return aResultFace;
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeTools::findBounds(const std::shared_ptr<GeomAPI_Shape> theShape,
+ std::shared_ptr<GeomAPI_Vertex>& theV1,
+ std::shared_ptr<GeomAPI_Vertex>& theV2)
+{
+ if(!theShape.get()) {
+ std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex);
+ aVertex->setImpl(new TopoDS_Vertex());
+ theV1 = aVertex;
+ theV2 = aVertex;
+ return;
+ }
+
+ const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
+ TopoDS_Vertex aV1, aV2;
+ ShapeAnalysis::FindBounds(aShape, aV1, aV2);
+
+ std::shared_ptr<GeomAPI_Vertex> aGeomV1(new GeomAPI_Vertex()), aGeomV2(new GeomAPI_Vertex());
+ aGeomV1->setImpl(new TopoDS_Vertex(aV1));
+ aGeomV2->setImpl(new TopoDS_Vertex(aV2));
+ theV1 = aGeomV1;
+ theV2 = aGeomV2;
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeTools::makeFacesWithHoles(const std::shared_ptr<GeomAPI_Pnt> theOrigin,
+ const std::shared_ptr<GeomAPI_Dir> theDirection,
+ const ListOfShape& theWires,
+ ListOfShape& theFaces)
+{
+ BRepBuilderAPI_MakeFace aMKFace(gp_Pln(theOrigin->impl<gp_Pnt>(),
+ theDirection->impl<gp_Dir>()));
+ TopoDS_Face aFace = aMKFace.Face();
+
+ BRepAlgo_FaceRestrictor aFRestrictor;
+ aFRestrictor.Init(aFace, Standard_False, Standard_True);
+ for(ListOfShape::const_iterator anIt = theWires.cbegin();
+ anIt != theWires.cend();
+ ++anIt) {
+ TopoDS_Wire aWire = TopoDS::Wire((*anIt)->impl<TopoDS_Shape>());
+ aFRestrictor.Add(aWire);
+ }
+
+ aFRestrictor.Perform();
+
+ if(!aFRestrictor.IsDone()) {
+ return;
+ }
+
+ for(; aFRestrictor.More(); aFRestrictor.Next()) {
+ GeomShapePtr aShape(new GeomAPI_Shape());
+ aShape->setImpl(new TopoDS_Shape(aFRestrictor.Current()));
+ theFaces.push_back(aShape);
+ }
+}
+
+//==================================================================================================
+std::shared_ptr<GeomAPI_Pln> GeomAlgoAPI_ShapeTools::findPlane(const ListOfShape& theShapes)
+{
+ TopoDS_Compound aCompound;
+ BRep_Builder aBuilder;
+ aBuilder.MakeCompound(aCompound);
+
+ for(ListOfShape::const_iterator anIt = theShapes.cbegin(); anIt != theShapes.cend(); ++anIt) {
+ aBuilder.Add(aCompound, (*anIt)->impl<TopoDS_Shape>());
+ }
+ BRepBuilderAPI_FindPlane aFindPlane(aCompound);
+
+ if(aFindPlane.Found() != Standard_True) {
+ return std::shared_ptr<GeomAPI_Pln>();
+ }
+
+ Handle(Geom_Plane) aPlane = aFindPlane.Plane();
+ gp_Pnt aLoc = aPlane->Location();
+ gp_Dir aDir = aPlane->Axis().Direction();
+
+ std::shared_ptr<GeomAPI_Pnt> aGeomPnt(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
+ std::shared_ptr<GeomAPI_Dir> aGeomDir(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));
+
+ std::shared_ptr<GeomAPI_Pln> aPln(new GeomAPI_Pln(aGeomPnt, aGeomDir));
+
+ return aPln;
+}
+
+//==================================================================================================
+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;
+ }
+
+ const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
+ const TopoDS_Shape& aBaseShape = theBaseShape->impl<TopoDS_Shape>();
+
+ if(aSubShape.ShapeType() == TopAbs_VERTEX) {
+ // If sub-shape is a vertex check distance to shape. If it is <= Precision::Confusion() then OK.
+ BRepExtrema_DistShapeShape aDist(aBaseShape, aSubShape);
+ aDist.Perform();
+ if(!aDist.IsDone() || aDist.Value() > Precision::Confusion()) {
+ return false;
+ }
+ } else if (aSubShape.ShapeType() == TopAbs_EDGE) {
+ if(aBaseShape.ShapeType() == TopAbs_FACE) {
+ // Check that edge is on face surface.
+ TopoDS_Face aFace = TopoDS::Face(aBaseShape);
+ TopoDS_Edge anEdge = TopoDS::Edge(aSubShape);
+ BRepLib_CheckCurveOnSurface aCheck(anEdge, aFace);
+ aCheck.Perform();
+ if(!aCheck.IsDone() || aCheck.MaxDistance() > Precision::Confusion()) {
+ return false;
+ }
+
+ // Check intersections.
+ TopoDS_Vertex aV1, aV2;
+ ShapeAnalysis::FindBounds(anEdge, aV1, aV2);
+ gp_Pnt aPnt1 = BRep_Tool::Pnt(aV1);
+ gp_Pnt aPnt2 = BRep_Tool::Pnt(aV2);
+ for(TopExp_Explorer anExp(aBaseShape, TopAbs_EDGE); anExp.More(); anExp.Next()) {
+ const TopoDS_Shape& anEdgeOnFace = anExp.Current();
+ BRepExtrema_DistShapeShape aDist(anEdgeOnFace, anEdge);
+ aDist.Perform();
+ if(aDist.IsDone() && aDist.Value() <= Precision::Confusion()) {
+ // Edge intersect face bound. Check that it is not on edge begin or end.
+ for(Standard_Integer anIndex = 1; anIndex <= aDist.NbSolution(); ++anIndex) {
+ gp_Pnt aPntOnSubShape = aDist.PointOnShape2(anIndex);
+ if(aPntOnSubShape.Distance(aPnt1) > Precision::Confusion()
+ && aPntOnSubShape.Distance(aPnt2) > Precision::Confusion()) {
+ return false;
+ }
+ }
+ }
+ }
- return aResultShape;
+ // 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);
+ Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
+ ShapeAnalysis_Surface aSAS(aSurface);
+ gp_Pnt2d aPointOnFace = aSAS.ValueOfUV(aPointToCheck, Precision::Confusion());
+ BRepTopAdaptor_FClass2d aFClass2d(aFace, Precision::Confusion());
+ if(aFClass2d.Perform(aPointOnFace) == TopAbs_OUT) {
+ return false;
+ }
+
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+
+ return true;
+}
+
+//==================================================================================================
+bool GeomAlgoAPI_ShapeTools::isShapeValid(const std::shared_ptr<GeomAPI_Shape> theShape)
+{
+ if(!theShape.get()) {
+ return false;
+ }
+
+ BRepCheck_Analyzer aChecker(theShape->impl<TopoDS_Shape>());
+ return (aChecker.IsValid() == Standard_True);
+}
+
+//==================================================================================================
+std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::getFaceOuterWire(const std::shared_ptr<GeomAPI_Shape> theFace)
+{
+ GeomShapePtr anOuterWire;
+
+ if(!theFace.get() || !theFace->isFace()) {
+ return anOuterWire;
+ }
+
+ TopoDS_Face aFace = TopoDS::Face(theFace->impl<TopoDS_Shape>());
+ TopoDS_Wire aWire = BRepTools::OuterWire(aFace);
+
+ anOuterWire.reset(new GeomAPI_Shape());
+ anOuterWire->setImpl(new TopoDS_Shape(aWire));
+
+ return anOuterWire;
+}
+
+//==================================================================================================
+bool GeomAlgoAPI_ShapeTools::isParallel(const std::shared_ptr<GeomAPI_Edge> theEdge,
+ const std::shared_ptr<GeomAPI_Face> theFace)
+{
+ if(!theEdge.get() || !theFace.get()) {
+ return false;
+ }
+
+ TopoDS_Edge anEdge = TopoDS::Edge(theEdge->impl<TopoDS_Shape>());
+ TopoDS_Face aFace = TopoDS::Face(theFace->impl<TopoDS_Shape>());
+
+ BRepExtrema_ExtCF anExt(anEdge, aFace);
+ return anExt.IsParallel() == Standard_True;
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeTools::splitShape(const std::shared_ptr<GeomAPI_Shape>& theBaseShape,
+ const std::set<std::shared_ptr<GeomAPI_Pnt> >& thePoints,
+ std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
+{
+ // 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 seam vertex.
+ if (BRep_Tool::IsClosed(aBaseEdge))
+ {
+ Standard_Real aFirst, aLast;
+ Handle(Geom_Curve) aCurve = BRep_Tool::Curve(aBaseEdge, aFirst, aLast);
+
+ std::set<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPIt = thePoints.begin();
+ gp_Pnt aPoint((*aPIt)->x(), (*aPIt)->y(), (*aPIt)->z());
+
+ TopAbs_Orientation anOrientation = aBaseEdge.Orientation();
+ aBaseEdge = BRepBuilderAPI_MakeEdge(aCurve, aPoint, aPoint).Edge();
+ aBaseEdge.Orientation(anOrientation);
+ }
+ aBOP.AddArgument(aBaseEdge);
+
+ std::set<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPtIt = thePoints.begin();
+ for (; aPtIt != thePoints.end(); ++aPtIt) {
+ std::shared_ptr<GeomAPI_Pnt> aPnt = *aPtIt;
+ 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);
+ }
}
