[Interest] [Qt3D] Color map material

Philip Schuchardt vpicaver at gmail.com
Tue Nov 29 14:12:38 CET 2016


That seems like a reasonable approach. I've done something similar but in
pure OpenGL.

On Tue, Nov 29, 2016 at 8:10 AM Juan Jose Casafranca <jjcasmar at gmail.com>
wrote:

> That's nice.
> My implementation is agnostic on the colors that should be available in
> the material. It uses a ColorMap object where the user defines the stop
> value (between 0 and 1) and the color value for that stop. Using that
> information it creates a texture that will be accesed in the shader via 1D
> uv coordinates.
>
> 2016-11-29 14:06 GMT+01:00 Philip Schuchardt <vpicaver at gmail.com>:
>
> I think it would also be nice to have some sorta color brewer. Here are
> some examples of reasonable color brewers. Depending on your data, brewer
> usually supports three types of color mappings: sequential, divergent, and
> categorical.
>
> Here are some helpful links
> http://colorbrewer2.org/
> http://mkweb.bcgsc.ca/brewer/
>
> Phi|ip
>
>
> On Tue, Nov 29, 2016 at 6:12 AM Juan Jose Casafranca <jjcasmar at gmail.com>
> wrote:
>
> Hi,
>
> I've been working on a material for Qt3D for showing temperature like maps
> usually used in scientific visualization.
> Would you be interested in adding it to the extras library?
>
> Cheers
> _______________________________________________
> Interest mailing list
> Interest at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/interest
>
> --
> Phi|ip
>
>
> --
Phi|ip
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.qt-project.org/pipermail/interest/attachments/20161129/31e7b26e/attachment.html>


More information about the Interest mailing list