[vtkusers] Re: vtkProjectedTetrahedraMapper & IndependantComponents

[Randall Hand]

Also, while I'm at it... In the vtkProjectedTetrahedraMapper.cxx around line
394 (Map2DependantComponents) is that a typo that you set colors[3] =
scalars[3]?  Shouldn't it be scalars[1] (2 components afterall) ?

On 4/5/06, Randall Hand <randall.hand at gmail.com> wrote:
>
> Sending this to vtkUsers because i'm tired of fighting against the 40k
> VTK-Developers limit.
>
>
> Does the vtkProjectedTetrahedraMapper work with 2 or 4 component datasets?
> I have a dataset with a 2-component scalar field (after alot of processing)
> where I want the first component mapped to color and the the 2nd to
> opacity.  Unfortunatly I seem to get the 2nd component mapped to both
> opacity & a grayscale colormap.
>
> I've attached 2 images.  the first (test-decent.jpg) is with a
> single-component scalar mapped to both, showing kinda how I expect it.  I
> modify it to add the extra component for opacity, which should just make the
> top half of the image (above the sphere) transparent.  According to all the
> stats I gather on the resulting scalar field, it looks good (number of
> points, number of components, ranges, magnitudes, etc all look right).  The
> second ( test.jpg) is with the dual-component scalar showing what comes
> out.
>
> --
> Randall Hand
> Visualization Scientist,
> ERDC-MSRC Vicksburg, MS
> Homepage: http://www.yeraze.com
>
>
>
> --
> Randall Hand
> Visualization Scientist,
> ERDC-MSRC Vicksburg, MS
> Homepage: http://www.yeraze.com
>
>


--
Randall Hand
Visualization Scientist,
ERDC-MSRC Vicksburg, MS
Homepage: http://www.yeraze.com
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