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+ fix non-parametric makeHelix() function in Part module

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git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5143 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
This commit is contained in:
wmayer
2011-11-17 10:02:26 +00:00
parent ef9275ce4d
commit a512879ba1
4 changed files with 53 additions and 66 deletions
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34
src/Mod/Part/App/AppPartPy.cpp
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@@ -760,38 +760,8 @@ static PyObject * makeHelix(PyObject *self, PyObject *args)
return 0;
try {
if (pitch < Precision::Confusion())
Standard_Failure::Raise("Pitch of helix too small");
if (height < Precision::Confusion())
Standard_Failure::Raise("Height of helix too small");
gp_Ax2 cylAx2(gp_Pnt(0.0,0.0,0.0) , gp::DZ());
Handle_Geom_Surface surf;
if (angle < 0) {
if (radius < Precision::Confusion())
Standard_Failure::Raise("Radius of helix too small");
surf = new Geom_CylindricalSurface(cylAx2, radius);
}
else {
angle = angle*(M_PI/180);
if (angle < Precision::Confusion())
Standard_Failure::Raise("Angle of helix too small");
surf = new Geom_ConicalSurface(gp_Ax3(cylAx2), angle, radius);
}
gp_Pnt2d aPnt(0, 0);
gp_Dir2d aDir(2. * PI, pitch);
gp_Ax2d aAx2d(aPnt, aDir);
Handle_Geom2d_Line line = new Geom2d_Line(aAx2d);
gp_Pnt2d beg = line->Value(0);
gp_Pnt2d end = line->Value(2.0*PI*(height/pitch));
Handle_Geom2d_TrimmedCurve segm = GCE2d_MakeSegment(beg , end);
TopoDS_Edge edgeOnSurf = BRepBuilderAPI_MakeEdge(segm , surf);
TopoDS_Wire wire = BRepBuilderAPI_MakeWire(edgeOnSurf);
BRepLib::BuildCurves3d(wire);
TopoShape helix;
TopoDS_Shape wire = helix.makeHelix(pitch, height, radius, angle);
return new TopoShapeWirePy(new TopoShape(wire));
}
catch (Standard_Failure) {