[Paraview] Colour by mulitple data sets

[Tristan Chaplin]

Thanks Andy, I'll look into this.

Ken, I think I already tried something similar.  I wrote a program to
"merge" two scalar data sets as colours (3 vector) according to a colour
scheme, then turned off "map scalars".  Is that what you mean?  This works
ok but I think it means I can't use any of the colouring and visualization
options in Paraview to manipulate the appearance (e.g. change the colour
lookup scheme, set logarithmic scale etc).  I have to rerun my program to
change any parameters.

Thanks,
Tristan

On Tue, Nov 16, 2010 at 08:35, Moreland, Kenneth <kmorel at sandia.gov> wrote:

>  Utkarsh,
>
> Is it the case that if you color by a vector array comprising unsigned
> char, ParaView can color the surface directly using those colors (turn of
> Map Scalars)?  If that’s the case, Tristan can create a filter (perhaps by
> using the Python Programmable Filter)) to create such an array.
>
> -Ken
>
>
>
> On 11/15/10 3:09 PM, "Tristan Chaplin" <tristan.chaplin at gmail.com> wrote:
>
> Unfortunately, it's the former - I'm trying to color the same mesh with
> different
> arrays.
>
> On Tue, Nov 16, 2010 at 02:40, Utkarsh Ayachit <
> utkarsh.ayachit at kitware.com> wrote:
>
> Just to clarify, are you trying to color the same mesh with different
> arrays or different meshes with different arrays? Is the former,
> there's no way of doing it. If the latter, then the Object Inspector
> allows one to change the color for the "active" mesh. You change
> what's active by choose a different mesh in the pipeline browser.
>
> Utkarsh
>
> On Mon, Nov 15, 2010 at 12:57 AM, Tristan Chaplin
> <tristan.chaplin at gmail.com> wrote:
> > Hi,
> > Does anyone know if it's possible to colour a surface with two (or more)
> > different data sets?  e.g. In "Object Inspector->Display->Color by" you
> can
> > choose only one data set.
> > I need to colour with one data set as an "underlay" and then second data
> set
> > over the top.
> > It doesn't seem like this is in Paraview, are there any work arounds or
> > alternatives?
> > Thanks,
> > Tristan
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