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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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45
src/Mod/Part/App/TopoShape.cpp
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@@ -26,6 +26,7 @@
#ifndef _PreComp_
# include <cstdlib>
# include <sstream>
# include <BRepLib.hxx>
# include <BSplCLib.hxx>
# include <Bnd_Box.hxx>
# include <BRep_Builder.hxx>
@@ -40,9 +41,11 @@
# include <BRepAlgoAPI_Section.hxx>
# include <BRepBndLib.hxx>
# include <BRepBuilderAPI_GTransform.hxx>
# include <BRepBuilderAPI_MakeEdge.hxx>
# include <BRepBuilderAPI_MakeFace.hxx>
# include <BRepBuilderAPI_MakePolygon.hxx>
# include <BRepBuilderAPI_MakeVertex.hxx>
# include <BRepBuilderAPI_MakeWire.hxx>
# include <BRepBuilderAPI_NurbsConvert.hxx>
# include <BRepBuilderAPI_FaceError.hxx>
# include <BRepBuilderAPI_Copy.hxx>
@@ -66,6 +69,9 @@
# include <BRepTools.hxx>
# include <BRepTools_ReShape.hxx>
# include <BRepTools_ShapeSet.hxx>
# include <GCE2d_MakeSegment.hxx>
# include <Geom2d_Line.hxx>
# include <Geom2d_TrimmedCurve.hxx>
# include <GeomLProp_SLProps.hxx>
# include <GeomAPI_ProjectPointOnSurf.hxx>
# include <GeomFill_CorrectedFrenet.hxx>
@@ -1438,6 +1444,45 @@ TopoDS_Shape TopoShape::makeSweep(const TopoDS_Shape& profile, double tol, int f
return mkBuilder.Face();
}
TopoDS_Shape TopoShape::makeHelix(Standard_Real pitch, Standard_Real height,
Standard_Real radius, Standard_Real angle) const
{
if (pitch < Precision::Confusion())
Standard_Failure::Raise("Pitch of helix too small");
if (height < Precision::Confusion())
Standard_Failure::Raise("Height of helix too small");
if (radius < Precision::Confusion())
Standard_Failure::Raise("Radius of helix too small");
gp_Ax2 cylAx2(gp_Pnt(0.0,0.0,0.0) , gp::DZ());
Handle_Geom_Surface surf;
if (angle < Precision::Confusion()) {
surf = new Geom_CylindricalSurface(cylAx2, radius);
}
else {
angle = Base::toRadians(angle);
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(sqrt(4.0*PI*PI+pitch*pitch)*(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);
return wire;
}
TopoDS_Shape TopoShape::makeLoft(const TopTools_ListOfShape& profiles,
Standard_Boolean isSolid,
Standard_Boolean isRuled) const