#include <GeomAPI_Face.h>
#include <GeomAPI_Pln.h>
#include <GeomAPI_Pnt.h>
+#include <GeomAPI_ShapeExplorer.h>
#include <GeomAPI_XYZ.h>
#include <GeomAlgoAPI_DFLoader.h>
#include <GeomAlgoAPI_FaceBuilder.h>
+#include <GeomAlgoAPI_MakeShapeList.h>
+#include <GeomAlgoAPI_ShapeTools.h>
+#include <Bnd_Box.hxx>
+#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
+#include <BRepAlgoAPI_Cut.hxx>
+#include <BRepBndLib.hxx>
+#include <BRepBuilderAPI_MakeEdge.hxx>
+#include <BRepBuilderAPI_MakeShape.hxx>
+#include <BRepBuilderAPI_MakeWire.hxx>
#include <BRepCheck_Analyzer.hxx>
-#include <BRepFeat_MakePrism.hxx>
+#include <BRepExtrema_ExtCF.hxx>
#include <BRepGProp.hxx>
+#include <BRepOffsetAPI_MakePipe.hxx>
+#include <BRepTools.hxx>
#include <Geom_Plane.hxx>
#include <gp_Pln.hxx>
#include <GProp_GProps.hxx>
+#include <TCollection_AsciiString.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Shell.hxx>
+#include <TopoDS_Solid.hxx>
+#include <TopoDS_Wire.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
//=================================================================================================
GeomAlgoAPI_Prism::GeomAlgoAPI_Prism(std::shared_ptr<GeomAPI_Shape> theBasis,
{
if(!theBasis ||
(((!theFromShape && !theToShape) || (theFromShape && theToShape && theFromShape->isEqual(theToShape)))
- && (theFromSize == 0.0 && theToSize == 0.0))) {
+ && (theFromSize == -theToSize))) {
return;
}
// If bounding faces was not set creating them.
- std::shared_ptr<GeomAPI_Face> aBaseFace(new GeomAPI_Face(theBasis));
+ std::shared_ptr<GeomAPI_Face> aBaseFace;
+ if(theBasis->shapeType() == GeomAPI_Shape::SHELL) {
+ GeomAPI_ShapeExplorer anExp(theBasis, GeomAPI_Shape::FACE);
+ if(anExp.more()) {
+ std::shared_ptr<GeomAPI_Shape> aFaceOnShell = anExp.current();
+ aBaseFace = std::shared_ptr<GeomAPI_Face>(new GeomAPI_Face(aFaceOnShell));
+ }
+ } else {
+ aBaseFace = std::shared_ptr<GeomAPI_Face>(new GeomAPI_Face(theBasis));
+ }
+ if(!aBaseFace.get()) {
+ return;
+ }
std::shared_ptr<GeomAPI_Pln> aBasePln = aBaseFace->getPlane();
std::shared_ptr<GeomAPI_Dir> aBaseDir = aBasePln->direction();
std::shared_ptr<GeomAPI_Pnt> aBaseLoc = aBasePln->location();
aSign ? -theToSize : theToSize))));
aBoundingToShape = GeomAlgoAPI_FaceBuilder::planarFace(aToPnt, aToDir);
- TopoDS_Face aBasis = TopoDS::Face(theBasis->impl<TopoDS_Shape>());
- Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(BRep_Tool::Surface(aBasis));
- if(aPlane.IsNull()) { // non-planar shapes is not supported for extrusion yet
+ // Getting bounding box for base shape.
+ const TopoDS_Shape& aBasisShape = theBasis->impl<TopoDS_Shape>();
+ Bnd_Box aBndBox;
+ BRepBndLib::Add(aBasisShape, aBndBox);
+ 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()};
+ gp_Pnt aPoints[8];
+ int aNum = 0;
+ for(int i = 0; i < 2; i++) {
+ for(int j = 0; j < 2; j++) {
+ for(int k = 0; k < 2; k++) {
+ aPoints[aNum] = gp_Pnt(aXArr[i], aYArr[j], aZArr[k]);
+ aNum++;
+ }
+ }
+ }
+
+ // Project points to bounding planes. Search max distance to them.
+ const TopoDS_Shape& aBndToShape = aBoundingToShape->impl<TopoDS_Shape>();
+ const TopoDS_Shape& aBndFromShape = aBoundingFromShape->impl<TopoDS_Shape>();
+ Standard_Real aMaxToDist = 0, aMaxFromDist = 0;
+ gp_Vec aNormal(aBaseDir->impl<gp_Dir>());
+ for(int i = 0; i < 8; i++) {
+ gp_Lin aLine(aPoints[i], aNormal);
+ TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge(aLine).Edge();
+ BRepExtrema_ExtCF aToExt(anEdge, TopoDS::Face(aBndToShape));
+ BRepExtrema_ExtCF aFromExt(anEdge, TopoDS::Face(aBndFromShape));
+ if(aToExt.NbExt() == 0 || aFromExt.NbExt() == 0) {
+ return;
+ }
+ const gp_Pnt& aPntOnToFace = aToExt.PointOnFace(1);
+ const gp_Pnt& aPntOnFromFace = aFromExt.PointOnFace(1);
+ if(aPoints[i].Distance(aPntOnToFace) > aMaxToDist) {
+ aMaxToDist = aPoints[i].Distance(aPntOnToFace);
+ }
+ if(aPoints[i].Distance(aPntOnFromFace) > aMaxFromDist) {
+ aMaxFromDist = aPoints[i].Distance(aPntOnFromFace);
+ }
+ }
+ Standard_Real aPipeLength = aMaxToDist + aMaxFromDist;
+
+ // Making wire for pipe.
+ std::shared_ptr<GeomAPI_Pnt> aCentreOfMass = GeomAlgoAPI_ShapeTools::centreOfMass(theBasis);
+ const gp_Pnt aCentrePnt = aCentreOfMass->impl<gp_Pnt>();
+ TopoDS_Face aFace = TopoDS::Face(aBaseFace->impl<TopoDS_Shape>());
+ gp_Pnt aPipeStartPnt = aCentrePnt.Translated(aNormal.Scaled(aPipeLength));
+ gp_Pnt aPipeEndPnt = aCentrePnt.Translated(aNormal.Scaled(-aPipeLength));
+ TopoDS_Edge aPipeEdge = BRepBuilderAPI_MakeEdge(aPipeStartPnt, aPipeEndPnt);
+ TopoDS_Wire aPipeWire = BRepBuilderAPI_MakeWire(aPipeEdge).Wire();
+
+ // Making pipe.
+ ListOfMakeShape aListOfMakeShape;
+ BRepOffsetAPI_MakePipe* aPipeBuilder = new BRepOffsetAPI_MakePipe(aPipeWire, aBasisShape);
+ if(!aPipeBuilder) {
+ return;
+ }
+ std::shared_ptr<GeomAPI_Shape> aWire(new GeomAPI_Shape);
+ std::shared_ptr<GeomAPI_Shape> aBShape(new GeomAPI_Shape);
+ aWire->setImpl(new TopoDS_Shape(aPipeWire));
+ aBShape->setImpl(new TopoDS_Shape(aBasisShape));
+ aListOfMakeShape.push_back(std::shared_ptr<GeomAlgoAPI_MakeShape>(new GeomAlgoAPI_MakeShape(aPipeBuilder, aWire, aBShape)));
+ TopoDS_Shape aResult = aPipeBuilder->Shape();
+
+ // Orienting bounding planes.
+ gp_Lin aLine(aCentrePnt, aNormal);
+ TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge(aLine).Edge();
+ BRepExtrema_ExtCF aToExt(anEdge, TopoDS::Face(aBndToShape));
+ BRepExtrema_ExtCF aFromExt(anEdge, TopoDS::Face(aBndFromShape));
+ Standard_Real aToParameter = aToExt.ParameterOnEdge(1);
+ Standard_Real aFromParameter = aFromExt.ParameterOnEdge(1);
+ if(aToParameter > aFromParameter) {
+ gp_Vec aVec = aToDir->impl<gp_Dir>();
+ if((aVec * aNormal) > 0) {
+ aToDir->setImpl(new gp_Dir(aVec.Reversed()));
+ aBoundingToShape = GeomAlgoAPI_FaceBuilder::planarFace(aToPnt, aToDir);
+ }
+ aVec = aFromDir->impl<gp_Dir>();
+ if((aVec * aNormal) < 0) {
+ aFromDir->setImpl(new gp_Dir(aVec.Reversed()));
+ aBoundingFromShape = GeomAlgoAPI_FaceBuilder::planarFace(aFromPnt, aFromDir);
+ }
+ } else {
+ gp_Vec aVec = aToDir->impl<gp_Dir>();
+ if((aVec * aNormal) < 0) {
+ aToDir->setImpl(new gp_Dir(aVec.Reversed()));
+ aBoundingToShape = GeomAlgoAPI_FaceBuilder::planarFace(aToPnt, aToDir);
+ }
+ aVec = aFromDir->impl<gp_Dir>();
+ if((aVec * aNormal) > 0) {
+ aFromDir->setImpl(new gp_Dir(aVec.Reversed()));
+ aBoundingFromShape = GeomAlgoAPI_FaceBuilder::planarFace(aFromPnt, aFromDir);
+ }
+ }
+
+ // Making solids from bounding planes.
+ TopoDS_Shell aToShell, aFromShell;
+ TopoDS_Solid aToSolid, aFromSolid;
+ const TopoDS_Shape& aToShape = aBoundingToShape->impl<TopoDS_Shape>();
+ const TopoDS_Shape& aFromShape = aBoundingFromShape->impl<TopoDS_Shape>();
+ BRep_Builder aBoundingBuilder;
+ aBoundingBuilder.MakeShell(aToShell);
+ aBoundingBuilder.MakeShell(aFromShell);
+ aBoundingBuilder.Add(aToShell, aToShape);
+ aBoundingBuilder.Add(aFromShell, aFromShape);
+ aBoundingBuilder.MakeSolid(aToSolid);
+ aBoundingBuilder.MakeSolid(aFromSolid);
+ aBoundingBuilder.Add(aToSolid, aToShell);
+ aBoundingBuilder.Add(aFromSolid, aFromShell);
+
+ // Cutting with to plane.
+ BRepAlgoAPI_Cut* aToCutBuilder = new BRepAlgoAPI_Cut(aResult, aToSolid);
+ aToCutBuilder->Build();
+ if(!aToCutBuilder->IsDone()) {
return;
}
+ aListOfMakeShape.push_back(std::shared_ptr<GeomAlgoAPI_MakeShape>(new GeomAlgoAPI_MakeShape(aToCutBuilder)));
+ const TopTools_ListOfShape& aToShapes = aToCutBuilder->Modified(aToShape);
+ for(TopTools_ListIteratorOfListOfShape anIt(aToShapes); anIt.More(); anIt.Next()) {
+ std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
+ aShape->setImpl(new TopoDS_Shape(anIt.Value()));
+ myToFaces.push_back(aShape);
+ }
+ aResult = aToCutBuilder->Shape();
- const gp_Dir& aNormal = aPlane->Pln().Axis().Direction();
- BRepFeat_MakePrism* aBuilder = new BRepFeat_MakePrism(aBasis, aBasis, aBasis, aNormal, 2, Standard_True);
+ // Cutting with from plane.
+ BRepAlgoAPI_Cut* aFromCutBuilder = new BRepAlgoAPI_Cut(aResult, aFromSolid);
+ aFromCutBuilder->Build();
+ if(!aFromCutBuilder->IsDone()) {
+ return;
+ }
+ aListOfMakeShape.push_back(std::shared_ptr<GeomAlgoAPI_MakeShape>(new GeomAlgoAPI_MakeShape(aFromCutBuilder)));
+ const TopTools_ListOfShape& aFromShapes = aFromCutBuilder->Modified(aFromShape);
+ for(TopTools_ListIteratorOfListOfShape anIt(aFromShapes); anIt.More(); anIt.Next()) {
+ std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
+ aShape->setImpl(new TopoDS_Shape(anIt.Value()));
+ myFromFaces.push_back(aShape);
+ }
+ aResult = aFromCutBuilder->Shape();
- if(aBuilder) {
- const TopoDS_Shape& aFromShape = aBoundingFromShape->impl<TopoDS_Shape>();
- const TopoDS_Shape& aToShape = aBoundingToShape->impl<TopoDS_Shape>();
- aBuilder->Perform(aFromShape, aToShape);
- myDone = aBuilder->IsDone() == Standard_True;
- if(myDone){
- TopoDS_Shape aResult = aBuilder->Shape();
- TopExp_Explorer anExp(aResult, TopAbs_SOLID);
- if(!anExp.More()) {
- return;
- }
- if(aResult.ShapeType() == TopAbs_COMPOUND) {
- aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
+ TopExp_Explorer anExp(aResult, TopAbs_SOLID);
+ if(!anExp.More()) {
+ return;
+ }
+ if(aResult.ShapeType() == TopAbs_COMPOUND) {
+ aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
+ }
+ if(aResult.ShapeType() == TopAbs_COMPOUND) {
+ std::shared_ptr<GeomAPI_Shape> aCompound(new GeomAPI_Shape);
+ aCompound->setImpl(new TopoDS_Shape(aResult));
+ ListOfShape aCompSolids, aFreeSolids;
+ GeomAlgoAPI_ShapeTools::combineShapes(aCompound, GeomAPI_Shape::COMPSOLID, aCompSolids, aFreeSolids);
+ if(aCompSolids.size() == 1 && aFreeSolids.size() == 0) {
+ aResult = aCompSolids.front()->impl<TopoDS_Shape>();
+ } else if (aCompSolids.size() > 1 || (aCompSolids.size() >= 1 && aFreeSolids.size() >= 1)) {
+ TopoDS_Compound aResultComp;
+ TopoDS_Builder aBuilder;
+ aBuilder.MakeCompound(aResultComp);
+ for(ListOfShape::const_iterator anIter = aCompSolids.cbegin(); anIter != aCompSolids.cend(); anIter++) {
+ aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
}
- // fill data map to keep correct orientation of sub-shapes
- myMap = std::shared_ptr<GeomAPI_DataMapOfShapeShape>(new GeomAPI_DataMapOfShapeShape());
- for (TopExp_Explorer Exp(aResult,TopAbs_FACE); Exp.More(); Exp.Next()) {
- std::shared_ptr<GeomAPI_Shape> aCurrentShape(new GeomAPI_Shape());
- aCurrentShape->setImpl(new TopoDS_Shape(Exp.Current()));
- myMap->bind(aCurrentShape, aCurrentShape);
+ for(ListOfShape::const_iterator anIter = aFreeSolids.cbegin(); anIter != aFreeSolids.cend(); anIter++) {
+ aBuilder.Add(aResultComp, (*anIter)->impl<TopoDS_Shape>());
}
- myShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
- myShape->setImpl(new TopoDS_Shape(aResult));
- myFirst = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
- myFirst->setImpl(new TopoDS_Shape(aBuilder->Modified(aFromShape).First()));
- myLast = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
- myLast->setImpl(new TopoDS_Shape(aBuilder->Modified(aToShape).First()));
- myMkShape = std::shared_ptr<GeomAlgoAPI_MakeShape>(new GeomAlgoAPI_MakeShape());
- myMkShape->setImpl(aBuilder);
+ aResult = aResultComp;
}
}
+
+ // Fill data map to keep correct orientation of sub-shapes.
+ myMap = std::shared_ptr<GeomAPI_DataMapOfShapeShape>(new GeomAPI_DataMapOfShapeShape);
+ for (TopExp_Explorer Exp(aResult,TopAbs_FACE); Exp.More(); Exp.Next()) {
+ std::shared_ptr<GeomAPI_Shape> aCurrentShape(new GeomAPI_Shape());
+ aCurrentShape->setImpl(new TopoDS_Shape(Exp.Current()));
+ myMap->bind(aCurrentShape, aCurrentShape);
+ }
+ myShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
+ myShape->setImpl(new TopoDS_Shape(aResult));
+ myMkShape = std::shared_ptr<GeomAlgoAPI_MakeShapeList>(new GeomAlgoAPI_MakeShapeList(aListOfMakeShape));
+ myDone = true;
}
//=================================================================================================
}
//=================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_Prism::firstShape() const
+const ListOfShape& GeomAlgoAPI_Prism::fromFaces() const
{
- return myFirst;
+ return myFromFaces;
}
//=================================================================================================
-std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_Prism::lastShape() const
+const ListOfShape& GeomAlgoAPI_Prism::toFaces() const
{
- return myLast;
+ return myToFaces;
}
//=================================================================================================
