[vtkusers] Accessing Cutter Point Values
prabhu at aero.iitm.ernet.in
Thu Jun 13 13:58:49 EDT 2002
>>>>> "CB" == Christopher Bayley <bayley at me.queensu.ca> writes:
CB> Hello all VTK Users; I am having alot of difficulty trying to
CB> get the numeric values of points within vtkpolydata and in
CB> particular vtkcutter. In my application I am cutting a simple
CB> 3D surface with a plane which results in a line. I am able to
CB> view the line, but can't figure out how to get the data values
CB> for each of the points along that line.
CB> Could someone show me how to access the xyz coordinate
CB> information of the line I have created using vtkcutter.
Couldnt you do something like this?
cutter = vtkCutter() # or whatever.
# ... setup pipeline ...
o = cutter.GetOutput()
p = o.GetPoints()
pd = o.GetPointData()
s = pd.GetScalars()
for i in range(s.GetNumberOfTuples()):
print p.GetValue(i), s.GetValue(i)
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