I would like to use the picking functionnality, ie pick a point of a surface,
and get it in my plugin, for instance to compute a streamline.
StreamTracer offers this functionnality but it actually does not work because
the pick point is not necessary a point of the dataset, as with the picking
functionnality when "select points on" is selected. Thus, in case of a surface,
the point does not lie on the surface ad no streamline is computed (I mean with
StreamTracer).
So my question is: is it possible to pick a point of a surface with the "select
points on" functionnality and get it back in my filter, connected to the
SetOrigin(double [3]) function for instance?
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