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Part: apply OCC's fix for ElSLib::ConeDN and write a unit test

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This commit is contained in:
wmayer
2022-05-27 14:44:35 +02:00
parent 1e034cc47f
commit b02705d79f
2 changed files with 37 additions and 4 deletions
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10
src/Mod/Part/App/Geometry.cpp
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@@ -4591,6 +4591,10 @@ PyObject *GeomCone::getPyObject(void)
gp_Vec GeomCone::getDN(double u, double v, int Nu, int Nv) const
{
// Will be fixed in OCC 7.7
#if OCC_VERSION_HEX >= 0x070700
return GeomSurface::getDN(u, v, Nu, Nv);
#else
// Copied from ElSLib::ConeDN() and applied the needed fix
auto ElSLib__ConeDN = [](const Standard_Real U,
const Standard_Real V,
@@ -4602,7 +4606,6 @@ gp_Vec GeomCone::getDN(double u, double v, int Nu, int Nv) const
{
gp_XYZ Xdir = Pos.XDirection().XYZ();
gp_XYZ Ydir = Pos.YDirection().XYZ();
gp_XYZ ZDir = Pos.Direction ().XYZ();
Standard_Real Um = U + Nu * M_PI_2; // M_PI * 0.5
Xdir.Multiply(cos(Um));
Ydir.Multiply(sin(Um));
@@ -4614,8 +4617,8 @@ gp_Vec GeomCone::getDN(double u, double v, int Nu, int Nv) const
}
else if(Nv == 1) {
Xdir.Multiply(sin(SAngle));
ZDir.Multiply(cos(SAngle));
Xdir.Add(ZDir);
if (Nu == 0)
Xdir.Add(Pos.Direction().XYZ() * cos(SAngle));
return gp_Vec(Xdir);
}
return gp_Vec(0.0,0.0,0.0);
@@ -4631,6 +4634,7 @@ gp_Vec GeomCone::getDN(double u, double v, int Nu, int Nv) const
else {
return ElSLib__ConeDN(u, v, s->Position(), s->RefRadius(), s->SemiAngle(), Nu, Nv);
}
#endif
}
// -------------------------------------------------