headless_freecad_to_svg.py

#!/usr/bin/env python

import sys

FREECADPATH = '/home/danfalck/cadcam/freecadcam/dancam6/freecad/lib'
sys.path.append(FREECADPATH)
import FreeCAD, Part, Drawing

#dv = 0.000000000001

box = Part.makeBox(100,100,100)
box.translate(box.CenterOfMass.multiply(-1))

cylx = Part.makeCylinder(25, 100, FreeCAD.Base.Vector(0,1,0), FreeCAD.Base.Vector(0,90,0))
cylx.translate(cylx.CenterOfMass.multiply(-1))

cyly = Part.makeCylinder(25, 100, FreeCAD.Base.Vector(0,1,0), FreeCAD.Base.Vector(90,0,0))
cyly.translate(cyly.CenterOfMass.multiply(-1))

cylz = Part.makeCylinder(25, 100)
cylz.translate(cylz.CenterOfMass.multiply(-1))

hole = cylx.fuse(cyly).fuse(cylz)

test = box.cut(hole).common(Part.makeSphere(50))

#with open('coin.iv', 'w') as f:
#  f.write(test.writeInventor())

Part.show(test)

# FreeCAD.ActiveDocument.FileName = 'foo.fcstd'
# FreeCAD.ActiveDocument.save()

Shape = FreeCAD.ActiveDocument.Shape.Shape

visibleG0,visibleG1,hiddenG0,hiddenG1 = Drawing.project(Shape,FreeCAD.Base.Vector(1,1,1))
resultSVG = Drawing.projectToSVG(Shape,FreeCAD.Base.Vector(1,0.2,1))
# if 0 is used instead of dv, the image is rendered incorrectly
#resultSVG = Drawing.projectToSVG(Shape,FreeCAD.Base.Vector(0,dv,1))

with open('foo.svg', 'w') as f:
  f.write('<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="-100 -100 200 200">')
  f.write(resultSVG)
  f.write('</svg>')