[vtkusers] Display ID labels starting at 1

[Amy Squillacote]

Hi Arve,

You could do this without subclassing vtkIdFilter by using 
vtkArrayCalculator 
(http://www.vtk.org/doc/nightly/html/classvtkArrayCalculator.html) to 
add 1 to the values in the id array.

- Amy

Arve Knudsen wrote:
>
> Hi
>
> In our application we'd like to display point and cell ID labels 
> starting at 1 instead of 0, what's the best way of going about this? 
> One solution I thought about was to subclass vtkIdFilter, to return 
> IDs offset by +1.  Good idea?
>
> Arve
>
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-- 
Amy Squillacote                    Phone: (256) 726-4839
Sr. Computer Scientist             Fax: (256) 726-4806
CFD Research Corporation           Web: http://www.cfdrc.com
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