kindred/create
1
1
Fork 0
Code Issues 37 Pull Requests Actions Packages Projects 9 Releases 2 Wiki Activity

0001290: Add spiral tool in Part Module

Browse Source
This commit is contained in:
wmayer
2013-10-30 14:48:42 +01:00
parent 12803c1de4
commit 712bc170c2
10 changed files with 513 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
src/Mod/Part/App/PrimitiveFeature.cpp
View File

@@ -39,6 +39,7 @@
# include <BRepBuilderAPI_MakeSolid.hxx>
# include <BRepBuilderAPI_MakePolygon.hxx>
# include <BRepBuilderAPI_GTransform.hxx>
# include <BRepProj_Projection.hxx>
# include <gp_Circ.hxx>
# include <gp_Elips.hxx>
# include <gp_GTrsf.hxx>
@@ -711,6 +712,98 @@ App::DocumentObjectExecReturn *Helix::execute(void)
return App::DocumentObject::StdReturn;
}
PROPERTY_SOURCE(Part::Spiral, Part::Primitive)
Spiral::Spiral(void)
{
ADD_PROPERTY_TYPE(Growth, (1.0),"Spiral",App::Prop_None,"The growth of the spiral per rotation");
Growth.setConstraints(&floatRange);
ADD_PROPERTY_TYPE(Radius,(1.0),"Spiral",App::Prop_None,"The radius of the spiral");
Radius.setConstraints(&floatRange);
ADD_PROPERTY_TYPE(Rotations,(2.0),"Spiral",App::Prop_None,"The number of rotations");
Rotations.setConstraints(&floatRange);
}
void Spiral::onChanged(const App::Property* prop)
{
if (!isRestoring()) {
if (prop == &Growth || prop == &Rotations || prop == &Radius) {
try {
App::DocumentObjectExecReturn *ret = recompute();
delete ret;
}
catch (...) {
}
}
}
Part::Feature::onChanged(prop);
}
short Spiral::mustExecute() const
{
if (Growth.isTouched())
return 1;
if (Rotations.isTouched())
return 1;
if (Radius.isTouched())
return 1;
return Primitive::mustExecute();
}
App::DocumentObjectExecReturn *Spiral::execute(void)
{
try {
Standard_Real myNumRot = Rotations.getValue();
Standard_Real myRadius = Radius.getValue();
Standard_Real myGrowth = Growth.getValue();
Standard_Real myPitch = 1.0;
Standard_Real myHeight = myNumRot * myPitch;
Standard_Real myAngle = atan(myGrowth / myPitch);
TopoShape helix;
if (myGrowth < Precision::Confusion())
Standard_Failure::Raise("Growth too small");
if (myNumRot < Precision::Confusion())
Standard_Failure::Raise("Number of rotations too small");
gp_Ax2 cylAx2(gp_Pnt(0.0,0.0,0.0) , gp::DZ());
Handle_Geom_Surface surf = new Geom_ConicalSurface(gp_Ax3(cylAx2), myAngle, myRadius);
gp_Pnt2d aPnt(0, 0);
gp_Dir2d aDir(2. * M_PI, myPitch);
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*M_PI*M_PI+myPitch*myPitch)*(myHeight/myPitch));
// calculate end point for conical helix
Standard_Real v = myHeight / cos(myAngle);
Standard_Real u = (myHeight/myPitch) * 2.0 * M_PI;
gp_Pnt2d cend(u, v);
end = cend;
Handle(Geom2d_TrimmedCurve) segm = GCE2d_MakeSegment(beg , end);
TopoDS_Edge edgeOnSurf = BRepBuilderAPI_MakeEdge(segm , surf);
TopoDS_Wire wire = BRepBuilderAPI_MakeWire(edgeOnSurf);
BRepLib::BuildCurves3d(wire);
Handle_Geom_Plane aPlane = new Geom_Plane(gp_Pnt(0.0,0.0,0.0), gp::DZ());
Standard_Real range = (myNumRot+1) * myGrowth + 1;
BRepBuilderAPI_MakeFace mkFace(aPlane, -range, range, -range, range);
BRepProj_Projection proj(wire, mkFace.Face(), gp::DZ());
this->Shape.setValue(proj.Shape());
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
return new App::DocumentObjectExecReturn(e->GetMessageString());
}
return App::DocumentObject::StdReturn;
}
PROPERTY_SOURCE(Part::Wedge, Part::Primitive)
Wedge::Wedge()