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Import FBX or Collada broke vertex colors #74739

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opened 2020-03-13 18:43:10 +01:00 by Alberto Velázquez · 6 comments
Alberto Velázquez commented 2020-03-13 18:43:10 +01:00
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System Information
Operating system: Windows 10
Graphics card:

Blender Version
Broken: (example: 2.82

Short description of error
When I tried to import a fbx or collada file from 3dsmax 2020 or 2017 with a vertex color data all the data is altered and change the colors. If I tried the same with other software (unreal) the vertex color is perfect in that programs.

Original Vertex color in 3dsmax
image.png

Same FBX imported in UE4
image.png

Imported vertex colors with the FBX or Collada to blender
image.png

Exact steps for others to reproduce the error
Import FBX or collada file attached. The color will be incorrect.VC bug report.max

VC Bug report.DAE

VC bug report.FBX

**System Information** Operating system: Windows 10 Graphics card: **Blender Version** Broken: (example: 2.82 **Short description of error** When I tried to import a fbx or collada file from 3dsmax 2020 or 2017 with a vertex color data all the data is altered and change the colors. If I tried the same with other software (unreal) the vertex color is perfect in that programs. Original Vertex color in 3dsmax ![image.png](https://archive.blender.org/developer/F8403915/image.png) Same FBX imported in UE4 ![image.png](https://archive.blender.org/developer/F8403917/image.png) Imported vertex colors with the FBX or Collada to blender ![image.png](https://archive.blender.org/developer/F8403920/image.png) **Exact steps for others to reproduce the error** Import FBX or collada file attached. The color will be incorrect.[VC bug report.max](https://archive.blender.org/developer/F8403925/VC_bug_report.max) [VC Bug report.DAE](https://archive.blender.org/developer/F8403924/VC_Bug_report.DAE) [VC bug report.FBX](https://archive.blender.org/developer/F8403923/VC_bug_report.FBX)
Alberto Velázquez commented 2020-03-13 18:43:10 +01:00
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Added subscriber: @AlbertoVelazquez

Added subscriber: @AlbertoVelazquez
Germano Cavalcante commented 2020-03-16 15:39:33 +01:00
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Added subscriber: @mont29

Added subscriber: @mont29
Richard Antalik commented 2020-03-16 17:12:26 +01:00
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Added subscriber: @iss

Added subscriber: @iss
Richard Antalik commented 2020-03-16 17:12:26 +01:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Richard Antalik commented 2020-03-16 17:12:26 +01:00
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I can confirm incorrect colors with FBX file.

No mesh was imported from collada in my case.

+-- Collada Import parameters------
| input file      : C:\Users\John\Desktop\work\bugs\T74739.DAE
| -- |
| use units       : no
| autoconnect     : no
+-- Armature Import parameters ----
| find bone chains: no
| -- |
| min chain len   : 0
| fix orientation : no
| keep bind info  : no
|! Cannot create image: C:\Users\John\Desktop\work\bugs\
Sax FWL (Warning): Texture with sid "MapFBXASC032FBXASC035168-image" not found in effect with id "MapFBXASC032FBXASC035168-reflective-Material-fx".
IOR of negative value is not allowed for materials (using Blender default value instead)+----------------------------------
| Collada Import : OK
| -- |
+----------------------------------

@AlbertoVelazquez are you able to import collada file with no issues other than color?

I can confirm incorrect colors with FBX file. No mesh was imported from collada in my case. ``` +-- Collada Import parameters------ | input file : C:\Users\John\Desktop\work\bugs\T74739.DAE | -- | | use units : no | autoconnect : no +-- Armature Import parameters ---- | find bone chains: no | -- | | min chain len : 0 | fix orientation : no | keep bind info : no |! Cannot create image: C:\Users\John\Desktop\work\bugs\ Sax FWL (Warning): Texture with sid "MapFBXASC032FBXASC035168-image" not found in effect with id "MapFBXASC032FBXASC035168-reflective-Material-fx". IOR of negative value is not allowed for materials (using Blender default value instead)+---------------------------------- | Collada Import : OK | -- | +---------------------------------- ``` @AlbertoVelazquez are you able to import collada file with no issues other than color?
Alberto Velázquez commented 2020-03-17 00:58:57 +01:00
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Maybe I uploaded a wrong dae file, but the first time that I did this in my PC it worked.

Maybe I uploaded a wrong dae file, but the first time that I did this in my PC it worked.
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