# Volume rendering of binary label maps

**URL:** <https://discourse.slicer.org/t/volume-rendering-of-binary-label-maps/4411>\
**Category:** Support\
**Tags:** volume-rendering, labelmap\
**Created:** [October 16, 2018, 12:06pm UTC](https://discourse.slicer.org/t/volume-rendering-of-binary-label-maps/4411 "2018-10-16T12:06:59Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [February 8, 2021, 6:53pm UTC](https://discourse.slicer.org/t/volume-rendering-of-binary-label-maps/4411/11 "2021-02-08T18:53:42Z")

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See the image [above](https://discourse.slicer.org/t/volume-rendering-of-binary-label-maps/4411/7), you can barely make out the shape of the segment, even for a very simple shape.

By smoothing the labelmap, you can get visualization that is similar to surface rendering, like these:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/b/d/bdba75ac4c953af68712fd527842d38caa899636.png)

A hybrid option exists, too, when you take the color from the segmentation but opacity from another volume (smoothed labelmap or the original input image):

 ![](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/e/7/e7ac7974a69d026024c8d7f9dedcd5fdf209ab97.jpeg)

See more information about this option [here](https://discourse.slicer.org/t/2021-01-19-hangout/15585/2).

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