Dear all,
I am trying to get the input of a mapper briefly as follows:
*vtkMapper* mapper = actor->GetMapper();
vtkDataSet* input = mapper->GetInput();
int numPoints = input->GetNumberOfPoints();*
but faild.
I found that the numPoints is A (such as 400) when the representation of a
data is *Outline*, and B (such as 5500) when the representation of the same
data is *Surface*.
It seems that I only got part(s) of the whole data. What is wrong and how to
get the whole data?
Any advice would be appreciated!
Thanks!
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