[vtkusers] How to insert a node point into an existing mesh

[rakesh patil]

Hello,

I display the triangular mesh using unstructured grid. As a next step, I
wish to add a functionality in my application where in user must be able to
insert a node point into an existing mesh, just by a single mouse click.

Is there any technique to insert a new node into an existing mesh. Note that
after inserting a new node, it should triangulate with the nodes surrounding
nodes only.

How can i do this?

Thanks
Regards
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