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occt/src/ShapeBuild/ShapeBuild_Vertex.cxx
2012-03-05 19:23:40 +04:00

60 lines
1.7 KiB
C++
Executable File

// rln 22.03.99: syntax correction in CombineVertex
//szv#4 S4163
#include <ShapeBuild_Vertex.ixx>
#include <BRep_Tool.hxx>
#include <Precision.hxx>
#include <BRep_Builder.hxx>
//=======================================================================
//function : CombineVertex
//purpose :
//=======================================================================
TopoDS_Vertex ShapeBuild_Vertex::CombineVertex (const TopoDS_Vertex& V1,
const TopoDS_Vertex& V2,
const Standard_Real tolFactor) const
{
return CombineVertex ( BRep_Tool::Pnt ( V1 ), BRep_Tool::Pnt ( V2 ),
BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ),
tolFactor );
}
//=======================================================================
//function : CombineVertex
//purpose :
//=======================================================================
TopoDS_Vertex ShapeBuild_Vertex::CombineVertex (const gp_Pnt& pnt1,
const gp_Pnt& pnt2,
const Standard_Real tol1,
const Standard_Real tol2,
const Standard_Real tolFactor) const
{
gp_Pnt pos;
Standard_Real tol;
gp_Vec v = pnt2.XYZ() - pnt1.XYZ();
Standard_Real dist = v.Magnitude();
//#47 rln 09.12.98 S4054 PRO14323 entity 2844
if ( dist + tol2 <= tol1 ) {
pos = pnt1;
tol = tol1;
}
else if ( dist + tol1 <= tol2 ) {
pos = pnt2;
tol = tol2;
}
else {
tol = 0.5 * ( dist + tol1 + tol2 );
Standard_Real s = ( dist > 0. )? ( tol2 - tol1 ) / dist : 0.; //szv#4:S4163:12Mar99 anti-exception
pos = 0.5 * ( ( 1 - s ) * pnt1.XYZ() + ( 1 + s ) * pnt2.XYZ() );
}
TopoDS_Vertex V;
BRep_Builder B;
B.MakeVertex ( V, pos, tolFactor * tol );
return V;
}