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from opencamlib import ocl, camvtk
def drawBB(myscreen, bb):
lines=[]
# x-direction lines, red color
lines.append( camvtk.Line( p1=(bb.minpt.x, bb.minpt.y, bb.minpt.z), p2=(bb.maxpt.x, bb.minpt.y, bb.minpt.z), color=camvtk.red) )
lines.append( camvtk.Line( p1=(bb.minpt.x, bb.maxpt.y, bb.minpt.z), p2=(bb.maxpt.x, bb.maxpt.y, bb.minpt.z), color=camvtk.red) )
lines.append( camvtk.Line( p1=(bb.minpt.x, bb.minpt.y, bb.maxpt.z), p2=(bb.maxpt.x, bb.minpt.y, bb.maxpt.z), color=camvtk.red) )
lines.append( camvtk.Line( p1=(bb.minpt.x, bb.maxpt.y, bb.maxpt.z), p2=(bb.maxpt.x, bb.maxpt.y, bb.maxpt.z), color=camvtk.red) )
# y-direction lines, green color
lines.append( camvtk.Line( p1=(bb.minpt.x, bb.minpt.y, bb.minpt.z), p2=(bb.minpt.x, bb.maxpt.y, bb.minpt.z), color=camvtk.green) )
lines.append( camvtk.Line( p1=(bb.maxpt.x, bb.minpt.y, bb.minpt.z), p2=(bb.maxpt.x, bb.maxpt.y, bb.minpt.z), color=camvtk.green) )
lines.append( camvtk.Line( p1=(bb.minpt.x, bb.minpt.y, bb.maxpt.z), p2=(bb.minpt.x, bb.maxpt.y, bb.maxpt.z), color=camvtk.green) )
lines.append( camvtk.Line( p1=(bb.maxpt.x, bb.minpt.y, bb.maxpt.z), p2=(bb.maxpt.x, bb.maxpt.y, bb.maxpt.z), color=camvtk.green) )
# z-direction lines, blue color
lines.append( camvtk.Line( p1=(bb.minpt.x, bb.minpt.y, bb.minpt.z), p2=(bb.minpt.x, bb.minpt.y, bb.maxpt.z), color=camvtk.blue) )
lines.append( camvtk.Line( p1=(bb.maxpt.x, bb.minpt.y, bb.minpt.z), p2=(bb.maxpt.x, bb.minpt.y, bb.maxpt.z), color=camvtk.blue) )
lines.append( camvtk.Line( p1=(bb.minpt.x, bb.maxpt.y, bb.minpt.z), p2=(bb.minpt.x, bb.maxpt.y, bb.maxpt.z), color=camvtk.blue) )
lines.append( camvtk.Line( p1=(bb.maxpt.x, bb.maxpt.y, bb.minpt.z), p2=(bb.maxpt.x, bb.maxpt.y, bb.maxpt.z), color=camvtk.blue) )
for l in lines:
myscreen.addActor(l)
if __name__ == "__main__":
print(ocl.version())
myscreen = camvtk.VTKScreen()
stl = camvtk.STLSurf("../../stl/gnu_tux_mod.stl")
#stl = camvtk.STLSurf("../../stl/beet_mm.stl")
#stl = camvtk.STLSurf("../../stl/Blade.stl")
myscreen.addActor(stl)
stl.SetWireframe()
stl.SetColor((0.5,0.5,0.5))
polydata = stl.src.GetOutput()
s = ocl.STLSurf()
camvtk.vtkPolyData2OCLSTL(polydata, s)
print("STL surface read ", s.size(), " triangles")
minimum_point = s.bb.minpt
maximum_point = s.bb.maxpt
print("min point =", minimum_point)
print("max point =", maximum_point)
print(s.getBounds())
# render the min and max points
myscreen.addActor( camvtk.Sphere( center=(minimum_point.x, minimum_point.y, minimum_point.z), radius=0.1, color=camvtk.red) )
myscreen.addActor( camvtk.Sphere( center=(maximum_point.x, maximum_point.y, maximum_point.z), radius=0.1, color=camvtk.green) )
# render a bounding-box
drawBB( myscreen, s.bb )
myscreen.camera.SetPosition(3, 23, 15)
myscreen.camera.SetFocalPoint(4, 5, 0)
t = camvtk.Text()
t.SetText("OpenCAMLib")
t.SetPos( (myscreen.width-200, myscreen.height-30) )
myscreen.addActor( t)
myscreen.render()
myscreen.iren.Start()
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