# Adding colors to a volume (painting)

**URL:** <https://discourse.slicer.org/t/adding-colors-to-a-volume-painting/4191>\
**Category:** Development\
**Tags:** extensions-manager\
**Created:** [September 26, 2018, 9:20am UTC](https://discourse.slicer.org/t/adding-colors-to-a-volume-painting/4191 "2018-09-26T09:20:14Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![timeanddoctor](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/timeanddoctor/32/5839_2.png) [@timeanddoctor](https://discourse.slicer.org/u/timeanddoctor)\
**Post date:** [September 26, 2018, 10:26am UTC](https://discourse.slicer.org/t/adding-colors-to-a-volume-painting/4191/2 "2018-09-26T10:26:22Z")

</div>

> [@Using GLSL post-process (2D) pixel shader with Slicer](https://discourse.slicer.org/t/using-glsl-post-process-2d-pixel-shader-with-slicer/1789/5):
>
> Here’s the other GLSL code @Davide_Punzo mentioned. It’s less coupled to the vtk rendering process so it can make it simpler to do generic algorithms. At some point I plan to revisit this and see how it compares to the shader options recently added to VTK core and see if it’s still needed.

---

_[View the full topic](https://discourse.slicer.org/t/adding-colors-to-a-volume-painting/4191)._