[vtkusers] Is there a way to sum point attributes??

[shawn mckenzie]

Hi all,

I am looking to sum an attribute array (either point centered or cell
centered values) over an entire object. vtkArrayCalculator allows
manipulation of arrays but only linearly, by creating new arrays value by
value.

Should i be looking into exteding vtkArrayCalculator or making a new vtk
class for this? or is there a workaround, already written, that will save
some time?

thanks,
Shawn
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