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0026458: BRepBuilderAPI_Copy does not copy mesh structure

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* The possibility to copy mesh is implemented. It may be enabled by copyMesh flag, by default it is disabled.
* Poly_Triangulation::Copy() method is added.
* The mesh is copied if and only if copyMesh flag is true.
This commit is contained in:
azv
2015-07-20 14:23:56 +03:00
committed by bugmaster
parent 031d5ab77c
commit 55e738d2f3
8 changed files with 100 additions and 16 deletions
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33
src/BRepBuilderAPI/BRepBuilderAPI_Copy.cxx
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@@ -24,13 +24,16 @@
#include <gp_Pnt.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
#include <Poly_Triangulation.hxx>
//! Tool class implementing necessary functionality for copying geometry
class BRepBuilderAPI_Copy_Modification : public BRepTools_Modification
{
public:
BRepBuilderAPI_Copy_Modification (const Standard_Boolean copyGeom)
: myCopyGeom(copyGeom)
BRepBuilderAPI_Copy_Modification (const Standard_Boolean copyGeom,
const Standard_Boolean copyMesh = Standard_False)
: myCopyGeom(copyGeom),
myCopyMesh(copyMesh)
{
}
@@ -50,6 +53,23 @@ public:
return Standard_True;
}
//! Returns true to indicate the need to copy triangulation;
//! copies it if required
Standard_Boolean NewTriangulation(const TopoDS_Face& F, Handle(Poly_Triangulation)& T)
{
if (!myCopyMesh)
return Standard_False;
TopLoc_Location L;
T = BRep_Tool::Triangulation(F, L);
if (T.IsNull())
return Standard_False;
T = T->Copy();
return Standard_True;
}
//! Returns true to indicate the need to copy edge;
//! copies curves if requested
Standard_Boolean NewCurve (const TopoDS_Edge& E, Handle(Geom_Curve)& C,
@@ -118,6 +138,7 @@ public:
private:
Standard_Boolean myCopyGeom;
Standard_Boolean myCopyMesh;
};
DEFINE_STANDARD_HANDLE(BRepBuilderAPI_Copy_Modification, BRepTools_Modification)
@@ -139,9 +160,9 @@ BRepBuilderAPI_Copy::BRepBuilderAPI_Copy ()
//purpose :
//=======================================================================
BRepBuilderAPI_Copy::BRepBuilderAPI_Copy(const TopoDS_Shape& S, const Standard_Boolean copyGeom)
BRepBuilderAPI_Copy::BRepBuilderAPI_Copy(const TopoDS_Shape& S, const Standard_Boolean copyGeom, const Standard_Boolean copyMesh)
{
myModification = new BRepBuilderAPI_Copy_Modification(copyGeom);
myModification = new BRepBuilderAPI_Copy_Modification(copyGeom, copyMesh);
DoModif(S);
}
@@ -151,9 +172,9 @@ BRepBuilderAPI_Copy::BRepBuilderAPI_Copy(const TopoDS_Shape& S, const Standard_B
//purpose :
//=======================================================================
void BRepBuilderAPI_Copy::Perform(const TopoDS_Shape& S, const Standard_Boolean copyGeom)
void BRepBuilderAPI_Copy::Perform(const TopoDS_Shape& S, const Standard_Boolean copyGeom, const Standard_Boolean copyMesh)
{
myModification = new BRepBuilderAPI_Copy_Modification(copyGeom);
myModification = new BRepBuilderAPI_Copy_Modification(copyGeom, copyMesh);
NotDone(); // on force la copie si on vient deja d`en faire une
DoModif(S);
}

4
src/BRepBuilderAPI/BRepBuilderAPI_Copy.hxx
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@@ -48,13 +48,13 @@ public:
//! geometry will be shared with original shape.
//! Note: the constructed framework can be reused to copy
//! other shapes: just specify them with the function Perform.
Standard_EXPORT BRepBuilderAPI_Copy(const TopoDS_Shape& S, const Standard_Boolean copyGeom = Standard_True);
Standard_EXPORT BRepBuilderAPI_Copy(const TopoDS_Shape& S, const Standard_Boolean copyGeom = Standard_True, const Standard_Boolean copyMesh = Standard_False);
//! Copies the shape S.
//! Use the function Shape to access the result.
//! If copyGeom is False, only topological objects will be copied, while
//! geometry will be shared with original shape.
Standard_EXPORT void Perform (const TopoDS_Shape& S, const Standard_Boolean copyGeom = Standard_True);
Standard_EXPORT void Perform (const TopoDS_Shape& S, const Standard_Boolean copyGeom = Standard_True, const Standard_Boolean copyMesh = Standard_False);