[vtkusers] How to find depth of an arbitrary point location?

[rakesh patil]

Hello,

I have three nodes of an element (triangle). The z value of all these three
nodes are stored as bathymetry(depth value). Now using these three nodes,
can I get the depth value of any other point inside the same triangle?

I have one function, but it takes some time. So i wanted to know whether
there is any inbuilt function in VTK to do this which may be much faster
compared to one what i have.

Thanks

Regards
Rakesh Patil
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