# Tractography saved in PLY with colors to OBJ with material (MTL)

**URL:** <https://discourse.slicer.org/t/tractography-saved-in-ply-with-colors-to-obj-with-material-mtl/9437>\
**Category:** Support\
**Created:** [December 8, 2019, 9:47pm UTC](https://discourse.slicer.org/t/tractography-saved-in-ply-with-colors-to-obj-with-material-mtl/9437 "2019-12-08T21:47:04Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Gonzalo\_Rojas\_Costa](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/gonzalo_rojas_costa/32/5259_2.png) [@Gonzalo\_Rojas\_Costa](https://discourse.slicer.org/u/Gonzalo_Rojas_Costa)\
**Post date:** [December 8, 2019, 9:47pm UTC](https://discourse.slicer.org/t/tractography-saved-in-ply-with-colors-to-obj-with-material-mtl/9437/1 "2019-12-08T21:47:04Z")

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Operating system: Ubuntu.  
Slicer version: 4.10.0  
Expected behavior: I have the tractography in a PLY file in color. How can I convert to an OBJ file with material file (MTL).  
Actual behavior:

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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:** [December 9, 2019, 4:33am UTC](https://discourse.slicer.org/t/tractography-saved-in-ply-with-colors-to-obj-with-material-mtl/9437/2 "2019-12-09T04:33:42Z")

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A post was merged into an existing topic: [Tractography in PLY with colors to OBJ with material (MTL) conversion](https://discourse.slicer.org/t/tractography-in-ply-with-colors-to-obj-with-material-mtl-conversion/9438)

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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:** [December 9, 2019, 4:33am UTC](https://discourse.slicer.org/t/tractography-saved-in-ply-with-colors-to-obj-with-material-mtl/9437/3 "2019-12-09T04:33:43Z")

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