[vtkusers] how to make some of my data invisible

[Jérôme]

Hi,

I don't know if there is a function for this behaviour, but maybe you can
produce a fake invisibility with a sort of "scale scalar" : set 1 for valid
points, 0 for invalid and scale the glyph according to this scalar.

HTH
Jerome

2011/6/6 pratik <pratik.mallya at gmail.com>

> Hi everyone,
> I am writing a filter which takes one input and one source (it is a
> modified glyph filter). Some of my glyphs may be invalidated by the input,
> in which case i would like to keep them invisible. Is there a way to do this
> without modifiying the polydata instance in which i am storing the source? I
> have found that vtkPolyDataAppend to be a little bit slow, which is why i
> was hoping to simply make the rogue glyph invisible instead.
>
> thanks,
> pratik
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