#include <GeomAlgoAPI_CompoundBuilder.h>
+#include <gp_Pln.hxx>
+
+#include <Bnd_Box.hxx>
#include <BOPTools.hxx>
+#include <BRepBndLib.hxx>
+#include <BRepBuilderAPI_MakeFace.hxx>
#include <BRepGProp.hxx>
#include <BRepTools.hxx>
+#include <BRep_Tool.hxx>
+#include <Geom_Plane.hxx>
+#include <GeomLib_IsPlanarSurface.hxx>
+#include <GeomLib_Tool.hxx>
#include <GProp_GProps.hxx>
+#include <IntAna_IntConicQuad.hxx>
+#include <IntAna_Quadric.hxx>
#include <NCollection_Vector.hxx>
#include <TCollection_AsciiString.hxx>
#include <TopoDS_Builder.hxx>
+#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Shell.hxx>
+#include <TopoDS.hxx>
+#include <TopExp_Explorer.hxx>
+
//=================================================================================================
-double GeomAlgoAPI_ShapeTools::volume(std::shared_ptr<GeomAPI_Shape> theShape)
+double GeomAlgoAPI_ShapeTools::volume(const std::shared_ptr<GeomAPI_Shape> theShape)
{
GProp_GProps aGProps;
if(!theShape) {
}
//=================================================================================================
-std::shared_ptr<GeomAPI_Pnt> GeomAlgoAPI_ShapeTools::centreOfMass(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) {
}
//=================================================================================================
-void GeomAlgoAPI_ShapeTools::combineFacesToShells(const ListOfShape& theFacesList,
- ListOfShape& theShells,
- ListOfShape& theFreeFaces)
+void GeomAlgoAPI_ShapeTools::combineShapes(const std::shared_ptr<GeomAPI_Shape> theCompound,
+ const GeomAPI_Shape::ShapeType theType,
+ ListOfShape& theCombinedShapes,
+ ListOfShape& theFreeShapes)
{
- if(theFacesList.empty()) {
+ if(!theCompound.get()) {
return;
}
- // Adding all faces to compoud.
- std::shared_ptr<GeomAPI_Shape> aFacesCompound = GeomAlgoAPI_CompoundBuilder::compound(theFacesList);
- if(!aFacesCompound.get()) {
+ if(theType != GeomAPI_Shape::SHELL && theType != GeomAPI_Shape::COMPSOLID) {
return;
}
- // Map edges and faces.
- const TopoDS_Shape& aFacesComp = aFacesCompound->impl<TopoDS_Shape>();
- BOPCol_IndexedDataMapOfShapeListOfShape aMapEF;
- BOPTools::MapShapesAndAncestors(aFacesComp, TopAbs_EDGE, TopAbs_FACE, aMapEF);
- if(aMapEF.IsEmpty()) {
+ TopAbs_ShapeEnum aTS = TopAbs_EDGE;
+ TopAbs_ShapeEnum aTA = TopAbs_FACE;
+ if(theType == GeomAPI_Shape::COMPSOLID) {
+ aTS = TopAbs_FACE;
+ aTA = TopAbs_SOLID;
+ }
+
+ // Get free shapes.
+ const TopoDS_Shape& aShapesComp = theCompound->impl<TopoDS_Shape>();
+ 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;
}
- // Get all faces with common edges and free faces.
- NCollection_Map<TopoDS_Shape> aFreeFaces;
- NCollection_Vector<NCollection_Map<TopoDS_Shape>> aFacesWithCommonEdges;
- for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator anIter(aMapEF); anIter.More(); anIter.Next()) {
+ // 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()) {
const TopoDS_Shape& aShape = anIter.Key();
BOPCol_ListOfShape& aListOfShape = anIter.ChangeValue();
if(aListOfShape.IsEmpty()) {
continue;
}
else if(aListOfShape.Size() == 1) {
- aFreeFaces.Add(aListOfShape.First());
+ const TopoDS_Shape& aF = aListOfShape.First();
+ aFreeShapes.Add(aF);
aListOfShape.Clear();
} else {
+ NCollection_List<TopoDS_Shape> aTempList;
NCollection_Map<TopoDS_Shape> aTempMap;
- aTempMap.Add(aListOfShape.First());
- aTempMap.Add(aListOfShape.Last());
- aFreeFaces.Remove(aListOfShape.First());
- aFreeFaces.Remove(aListOfShape.Last());
+ const TopoDS_Shape& aF = aListOfShape.First();
+ const TopoDS_Shape& aL = aListOfShape.Last();
+ aTempList.Append(aF);
+ aTempList.Append(aL);
+ aTempMap.Add(aF);
+ aTempMap.Add(aL);
+ aFreeShapes.Remove(aF);
+ aFreeShapes.Remove(aL);
aListOfShape.Clear();
- for(NCollection_Map<TopoDS_Shape>::Iterator aTempIter(aTempMap); 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(aMapEF); anIter.More(); anIter.Next()) {
+ for(BOPCol_IndexedDataMapOfShapeListOfShape::Iterator anIter(aMapSA); anIter.More(); anIter.Next()) {
BOPCol_ListOfShape& aTempListOfShape = anIter.ChangeValue();
if(aTempListOfShape.IsEmpty()) {
continue;
aTempListOfShape.Clear();
} else if(aTempListOfShape.Size() > 1) {
if(aTempListOfShape.First() == aTempShape) {
- aTempMap.Add(aTempListOfShape.Last());
- aFreeFaces.Remove(aTempListOfShape.Last());
+ const TopoDS_Shape& aTL = aTempListOfShape.Last();
+ if(aTempMap.Add(aTL)) {
+ aTempList.Append(aTL);
+ aFreeShapes.Remove(aTL);
+ }
aTempListOfShape.Clear();
} else if(aTempListOfShape.Last() == aTempShape) {
- aTempMap.Add(aTempListOfShape.First());
- aFreeFaces.Remove(aTempListOfShape.First());
+ const TopoDS_Shape& aTF = aTempListOfShape.First();
+ if(aTempMap.Add(aTF)) {
+ aTempList.Append(aTF);
+ aFreeShapes.Remove(aTF);
+ }
aTempListOfShape.Clear();
}
}
}
}
- aFacesWithCommonEdges.Append(aTempMap);
+ aShapesWithCommonSubshapes.Append(aTempMap);
}
}
- // Make shells from faces with common edges.
- NCollection_Vector<TopoDS_Shape> aShells;
- for(NCollection_Vector<NCollection_Map<TopoDS_Shape>>::Iterator anIter(aFacesWithCommonEdges); anIter.More(); anIter.Next()) {
+ // Combine shapes with common subshapes.
+ for(NCollection_Vector<NCollection_Map<TopoDS_Shape>>::Iterator anIter(aShapesWithCommonSubshapes); anIter.More(); anIter.Next()) {
TopoDS_Shell aShell;
+ TopoDS_CompSolid aCSolid;
TopoDS_Builder aBuilder;
- aBuilder.MakeShell(aShell);
- const NCollection_Map<TopoDS_Shape>& aShapesMap = anIter.Value();
- for(NCollection_Map<TopoDS_Shape>::Iterator aShIter(aShapesMap); aShIter.More(); aShIter.Next()) {
- const TopoDS_Shape& aFace = aShIter.Value();
- aBuilder.Add(aShell, aFace);
+ 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);
+ 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);
+ aGeomShape->setImpl<TopoDS_Shape>(aSh);
+ theCombinedShapes.push_back(aGeomShape);
+ }
+
+ // Adding free shapes.
+ for(TopExp_Explorer anExp(aShapesComp, aTA); anExp.More(); anExp.Next()) {
+ const TopoDS_Shape& aShape = anExp.Current();
+ if(aFreeShapes.Contains(aShape)) {
+ std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
+ aGeomShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aShape));
+ theFreeShapes.push_back(aGeomShape);
}
- std::shared_ptr<GeomAPI_Shape> aGeomShell(new GeomAPI_Shape);
- aGeomShell->setImpl<TopoDS_Shape>(new TopoDS_Shape(aShell));
- theShells.push_back(aGeomShell);
+ }
+}
+
+//=================================================================================================
+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++) {
+ const TopoDS_Shape& aShape = (*anObjectsIt)->impl<TopoDS_Shape>();
+ BRepBndLib::Add(aShape, aBndBox);
+ }
+
+ if(theEnlarge != 0.0) {
+ // We enlarge bounding box just to be sure that plane will be large enough to cut all objects.
+ aBndBox.Enlarge(theEnlarge);
}
- // Adding free faces.
- for(NCollection_Map<TopoDS_Shape>::Iterator aShIter(aFreeFaces); aShIter.More(); aShIter.Next()) {
- const TopoDS_Shape& aFace = aShIter.Value();
- std::shared_ptr<GeomAPI_Shape> aGeomFace(new GeomAPI_Shape);
- aGeomFace->setImpl<TopoDS_Shape>(new TopoDS_Shape(aFace));
- theFreeFaces.push_back(aGeomFace);
+ Standard_Real aXArr[2] = {aBndBox.CornerMin().X(), aBndBox.CornerMax().X()};
+ Standard_Real aYArr[2] = {aBndBox.CornerMin().Y(), aBndBox.CornerMax().Y()};
+ Standard_Real aZArr[2] = {aBndBox.CornerMin().Z(), aBndBox.CornerMax().Z()};
+ std::list<std::shared_ptr<GeomAPI_Pnt> > aResultPoints;
+ int aNum = 0;
+ for(int i = 0; i < 2; i++) {
+ for(int j = 0; j < 2; j++) {
+ for(int k = 0; k < 2; k++) {
+ std::shared_ptr<GeomAPI_Pnt> aPnt(new GeomAPI_Pnt(aXArr[i], aYArr[j], aZArr[k]));
+ aResultPoints.push_back(aPnt);
+ }
+ }
}
+
+ return aResultPoints;
+}
+
+//=================================================================================================
+std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::faceToInfinitePlane(const std::shared_ptr<GeomAPI_Shape> theFace)
+{
+ if (!theFace.get())
+ return std::shared_ptr<GeomAPI_Shape>();
+
+ TopoDS_Face aPlaneFace = TopoDS::Face(theFace->impl<TopoDS_Shape>());
+ if (aPlaneFace.IsNull())
+ return std::shared_ptr<GeomAPI_Shape>();
+
+ Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(BRep_Tool::Surface(aPlaneFace));
+ if (aPlane.IsNull())
+ return std::shared_ptr<GeomAPI_Shape>();
+
+ // make an infinity face on the plane
+ TopoDS_Shape anInfiniteFace = BRepBuilderAPI_MakeFace(aPlane->Pln()).Shape();
+
+ std::shared_ptr<GeomAPI_Shape> aResult(new GeomAPI_Shape);
+ aResult->setImpl(new TopoDS_Shape(anInfiniteFace));
+ 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_Shape> aResultShape;
+
+ if(!thePlane.get()) {
+ return aResultShape;
+ }
+
+ const TopoDS_Shape& aShape = thePlane->impl<TopoDS_Shape>();
+ if(aShape.ShapeType() != TopAbs_FACE) {
+ return aResultShape;
+ }
+
+ TopoDS_Face aFace = TopoDS::Face(aShape);
+ Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+ if(aSurf.IsNull()) {
+ return aResultShape;
+ }
+
+ GeomLib_IsPlanarSurface isPlanar(aSurf);
+ if(!isPlanar.IsPlanar()) {
+ return aResultShape;
+ }
+
+ if(thePoints.size() != 8) {
+ return aResultShape;
+ }
+
+ const gp_Pln& aFacePln = isPlanar.Plan();
+ Handle(Geom_Plane) aFacePlane = new Geom_Plane(aFacePln);
+ 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++) {
+ const gp_Pnt& aPnt = (*aPointsIt)->impl<gp_Pnt>();
+ gp_Lin aLin(aPnt, aFacePln.Axis().Direction());
+ IntAna_IntConicQuad anIntAna(aLin, aQuadric);
+ const gp_Pnt& aPntOnFace = anIntAna.Point(1);
+ Standard_Real aPntU(0), aPntV(0);
+ GeomLib_Tool::Parameters(aFacePlane, aPntOnFace, Precision::Confusion(), aPntU, aPntV);
+ if(aPntU < UMin) UMin = aPntU;
+ if(aPntU > UMax) UMax = aPntU;
+ 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()));
+
+ return aResultShape;
}
