# Change 'order' of rendering of multiple volumes with Volume Rendering module

**URL:** <https://discourse.slicer.org/t/change-order-of-rendering-of-multiple-volumes-with-volume-rendering-module/32313>\
**Category:** Support\
**Created:** [October 18, 2023, 8:21pm UTC](https://discourse.slicer.org/t/change-order-of-rendering-of-multiple-volumes-with-volume-rendering-module/32313 "2023-10-18T20:21:59Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Hamburgerfinger](https://avatars.discourse-cdn.com/v4/letter/h/eb9ed0/32.png) [@Hamburgerfinger](https://discourse.slicer.org/u/Hamburgerfinger)\
**Post date:** [October 19, 2023, 2:07pm UTC](https://discourse.slicer.org/t/change-order-of-rendering-of-multiple-volumes-with-volume-rendering-module/32313/5 "2023-10-19T14:07:00Z")

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Thanks, yes I was using GPU Ray Casting. The VTK Multi-Volume option doesn’t work for me (nothing is displayed at all) with the “Maximum Intensity Projection” technique, which I usually need for nuc med images. It works great with the 'Composite with Shading" technique though.

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