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from opencamlib import ocl, camvtk
import time
if __name__ == "__main__":
print(ocl.version())
myscreen = camvtk.VTKScreen()
stl = camvtk.STLSurf("../../stl/gnu_tux_mod.stl")
print("STL surface read")
myscreen.addActor(stl)
stl.SetWireframe()
polydata = stl.src.GetOutput()
print(dir(polydata))
s= ocl.STLSurf()
camvtk.vtkPolyData2OCLSTL(polydata, s)
print("STLSurf with ", s.size(), " triangles")
# define a cutter
cutter = ocl.CylCutter(0.6, 5)
print(cutter)
print("creating PathDropCutter()")
pdc = ocl.PathDropCutter() # create a pdc
print("set STL surface")
pdc.setSTL(s)
print("set cutter")
pdc.setCutter(cutter) # set the cutter
print("set minimumZ")
pdc.minimumZ = -1 # set the minimum Z-coordinate, or "floor" for drop-cutter
print("set the sampling interval")
pdc.setSampling(0.0123)
# some parameters for this "zigzig" pattern
ymin=0
ymax=12
Ny=40 # number of lines in the y-direction
dy = float(ymax-ymin)/Ny # the y step-over
path = ocl.Path() # create an empty path object
# add Line objects to the path in this loop
for n in range(0,Ny):
y = ymin+n*dy
p1 = ocl.Point(0,y,0) # start-point of line
p2 = ocl.Point(9,y,0) # end-point of line
l = ocl.Line(p1,p2) # line-object
path.append( l ) # add the line to the path
print(" set the path for pdf ")
pdc.setPath( path )
print(" run the calculation ")
t_before = time.time()
pdc.run() # run drop-cutter on the path
t_after = time.time()
print("run took ", t_after-t_before," s")
print("get the results ")
clp = pdc.getCLPoints() # get the cl-points from pdf
print(" render the CL-points")
camvtk.drawCLPointCloud(myscreen, clp)
#myscreen.addActor( camvtk.PointCloud(pointlist=clp, collist=ccp) )
myscreen.camera.SetPosition(3, 23, 15)
myscreen.camera.SetFocalPoint(5, 5, 0)
myscreen.render()
print(" All done.")
myscreen.iren.Start()
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