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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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6
src/BRepTools/BRepTools_Modification.cxx
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@@ -25,3 +25,9 @@
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx>
#include <Poly_Triangulation.hxx>
Standard_Boolean BRepTools_Modification::NewTriangulation(const TopoDS_Face&, Handle(Poly_Triangulation)&)
{
return Standard_False;
}

8
src/BRepTools/BRepTools_Modification.hxx
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@@ -32,6 +32,7 @@ class Geom_Curve;
class TopoDS_Vertex;
class gp_Pnt;
class Geom2d_Curve;
class Poly_Triangulation;
class BRepTools_Modification;
@@ -59,7 +60,12 @@ public:
//! false, and the values of S, L, Tol, RevWires and
//! RevFace are not significant.
Standard_EXPORT virtual Standard_Boolean NewSurface (const TopoDS_Face& F, Handle(Geom_Surface)& S, TopLoc_Location& L, Standard_Real& Tol, Standard_Boolean& RevWires, Standard_Boolean& RevFace) = 0;
//! Returns true if the face has been modified according to changed triangulation.
//! If the face has been modified:
//! - T is a new triangulation on the face
Standard_EXPORT virtual Standard_Boolean NewTriangulation(const TopoDS_Face& F, Handle(Poly_Triangulation)& T);
//! Returns true if the edge, E, has been modified.
//! If the edge has been modified:
//! - C is the new geometry associated with the edge,

14
src/BRepTools/BRepTools_Modifier.cxx
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@@ -286,6 +286,20 @@ Standard_Boolean BRepTools_Modifier::Rebuild
B.NaturalRestriction(TopoDS::Face(result),
BRep_Tool::NaturalRestriction(TopoDS::Face(S)));
}
// update triangulation on the copied face
Handle(Poly_Triangulation) aTriangulation;
if (M->NewTriangulation(TopoDS::Face(S), aTriangulation))
{
if (rebuild) // the copied face already exists => update it
B.UpdateFace(TopoDS::Face(result), aTriangulation);
else
{ // create new face with bare triangulation
B.MakeFace(TopoDS::Face(result), aTriangulation);
result.Location(S.Location());
}
rebuild = Standard_True;
}
}
break;