fail to render texture for .obj+.mtl on Mac OSX #48423

New Issue

Comip Ayan · 2016-05-13T17:40:11+02:00

Comip Ayan commented

2016-05-13 17:40:11 +02:00

System Information
Operating system and graphics card
OSX 10.11.2, NVIDIA GeForce GT 750M (also test Macbook with integrated graphics card)

Blender Version
Broken: blender-2.77a
Worked: (optional)

Short description of error
When load .obj + .mtl models, the texture cannot be rendered correctly on OSX.
But same 3d model file works well on linux with blender-2.77a.

Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps

**System Information** Operating system and graphics card OSX 10.11.2, NVIDIA GeForce GT 750M (also test Macbook with integrated graphics card) **Blender Version** Broken: blender-2.77a Worked: (optional) **Short description of error** When load .obj + .mtl models, the texture cannot be rendered correctly on OSX. But same 3d model file works well on linux with blender-2.77a. ![QQ20160513-2@2x.png](https://archive.blender.org/developer/F310840/QQ20160513-2_2x.png) **Exact steps for others to reproduce the error** Based on a (as simple as possible) attached .blend file with minimum amount of steps

Comip Ayan commented

2016-05-13 17:40:11 +02:00

Changed status to: 'Open'

Comip Ayan self-assigned this 2016-05-13 17:40:11 +02:00

Comip Ayan commented

2016-05-13 17:40:11 +02:00

Added subscriber: @comipayan

Comip Ayan commented

2016-05-13 17:42:00 +02:00

This is the correct render on linux:

This is the correct render on linux: ![demo_img.png](https://archive.blender.org/developer/F310842/demo_img.png)

Wolfgang Faehnle commented

2016-05-13 17:50:43 +02:00

Added subscriber: @mib2berlin

Wolfgang Faehnle commented

2016-05-13 17:50:43 +02:00

Hi, pleas add your .obj/mtl files here.
You can drag and drop it to the text field.

Cheers, mib

Hi, pleas add your .obj/mtl files here. You can drag and drop it to the text field. Cheers, mib

Bastien Montagne commented

2016-05-14 10:05:04 +02:00

Added subscriber: @mont29

Comip Ayan commented

2016-05-14 10:29:50 +02:00

Hi mib,

Here's the chair model.
chair_model.zip

I also found .obj model download from ShapeNet(http://shapenet.cs.stanford.edu/) also cannot be rendered normally.
Here's another example:
ShapeNet-PlaneModel-02691156.zip
The result looks like this:

Hi mib, Here's the chair model. [chair_model.zip](https://archive.blender.org/developer/F311660/chair_model.zip) I also found .obj model download from ShapeNet(http://shapenet.cs.stanford.edu/) also cannot be rendered normally. Here's another example: [ShapeNet-PlaneModel-02691156.zip](https://archive.blender.org/developer/F311658/ShapeNet-PlaneModel-02691156.zip) The result looks like this: ![pasted_file](https://archive.blender.org/developer/F311654/pasted_file)

Bastien Montagne commented

2016-05-15 10:48:39 +02:00

Changed status from 'Open' to: 'Archived'

Bastien Montagne closed this issue

2016-05-15 10:48:39 +02:00

Bastien Montagne commented

2016-05-15 10:48:39 +02:00

Nothing wrong with Blender here, it’s that obj file which is merely garbage (UVMap is pure nonsense, and geometry itself has very bad things like degenerated faces, which break normal computation)…

Comip Ayan commented

2016-05-15 11:31:37 +02:00

The issue is why blender version on OSX cannot render correctly, while linux version can make it though there's ``garbage'' in obj file.

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fail to render texture for .obj+.mtl on Mac OSX #48423