[Paraview] Specifying a NULL scalar array in custom filter

[Utkarsh Ayachit]

One way would be to write a domain which is a array list domain subclass 
that provides the "array" NONE as an option.

Utkarsh

John Biddiscombe wrote:
> I think I've asked this before and the answer was "can't be done"
> but I'm not sure ...so...
> 
> If I need the user to enter a scalar array which is one of the existing 
> point data arrays - or NONE - is there a way of doing it with xml domain 
> magic?
> 
> thanks
> 
> JB
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