def adaptive_path_drop_cutter(cls,
surface,
cutter,
paths,
sampling_size=0.04,
min_sampling_size=0.01):
apdc = ocl.AdaptivePathDropCutter()
apdc.setSTL(surface)
apdc.setCutter(cutter)
# maximum sampling or "step-forward" distance
# should be set so that we don't loose any detail of the STL model
# i.e. this number should be similar or smaller than the smallest triangle
apdc.setSampling(sampling_size)
# minimum sampling or step-forward distance
# the algorithm subdivides "steep" portions of the toolpath
# until we reach this limit.
# 0.0008
apdc.setMinSampling(min_sampling_size)
cl_paths = []
n_points = 0
for path in paths:
apdc.setPath(path)
apdc.run()
cl_points = apdc.getCLPoints()
n_points += len(cl_points)
cl_paths.append(apdc.getCLPoints())
return cl_paths
def adaptive_path_drop_cutter(s, cutter, path):
apdc = ocl.AdaptivePathDropCutter()
apdc.setSTL(s)
apdc.setCutter(cutter)
# set the minimum Z-coordinate, or "floor" for drop-cutter
#apdc.minimumZ = -1
apdc.setSampling(0.04)
apdc.setMinSampling(0.0008)
apdc.setPath( path )
apdc.run()
return apdc.getCLPoints()
def getPathsX(s, cutter, sampling, x):
#apdc = ocl.PathDropCutter()
apdc = ocl.AdaptivePathDropCutter()
apdc.setSTL(s)
apdc.setCutter(cutter)
apdc.setZ(-20)
apdc.setSampling(sampling)
apdc.setMinSampling(sampling / 700)
path = ocl.Path()
p1 = ocl.Point(x, -1.52 * cutter.getDiameter(),
-111) # start-point of line
p2 = ocl.Point(x, +1.52 * cutter.getDiameter(), -111) # end-point of line
l = ocl.Line(p1, p2) # line-object
path.append(l)
apdc.setPath(path)
apdc.run()
return apdc.getCLPoints()
#stl = camvtk.STLSurf("../stl/demo.stl")
stl = camvtk.STLSurf("../stl/pycam-textbox.stl")
print "STL surface read"
myscreen.addActor(stl)
stl.SetWireframe()
polydata = stl.src.GetOutput()
s= ocl.STLSurf()
camvtk.vtkPolyData2OCLSTL(polydata, s)
print "STLSurf with ", s.size(), " triangles"
print s.getBounds()
# define a cutter
cutter = ocl.CylCutter(10, 50) # diameter, length
#cutter = ocl.BullCutter(0.6, 0.01, 5)
print cutter
#pdc = ocl.PathDropCutter() # create a pdc
apdc = ocl.AdaptivePathDropCutter()
#pdc.setSTL(s)
apdc.setSTL(s)
#pdc.setCutter(cutter) # set the cutter
apdc.setCutter(cutter)
#print "set minimumZ"
#pdc.minimumZ = -1 # set the minimum Z-coordinate, or "floor" for drop-cutter
#apdc.minimumZ = -1
#print "set the sampling interval"
#pdc.setSampling(0.4)
apdc.setSampling(0.4)
apdc.setMinSampling(0.0008)
print " apdc sampling = ", apdc.getSampling()