Keeps Crashing With Displacement Maps!

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  10 October 2012
Keeps Crashing With Displacement Maps!

Hi, new to the forums here. Currently a student and have an assignment due this week. We had to model a base mesh, sculpt it, fix the topology, and then create a displacement map for the new model from the sculpted one. The problem I am having is that EVERY TIME I put the displacement map into the shading group, I always get this error:
"// Warning: Failed to open texture file [path to file]"
The specific image is a 32-bit exr, and I am on Maya 2013 running OS X 10.6.8.

And then whenever I try and render, Maya crashes. Can anybody help?
 
  10 October 2012
Ok, we need a little bit more info on the .EXR,what resolution are you trying to load in?
Does this happen when you step off the .EXR,and say load in a PSD or TGA?
Does this happen if you derrive from the 32 bit to a 16?

i had similar problems in Maya with 32 bit displacement maps from Zbrush.
Derriving from EXR solved it.
 
  10 October 2012
Originally Posted by StSabath: Ok, we need a little bit more info on the .EXR,what resolution are you trying to load in?
Does this happen when you step off the .EXR,and say load in a PSD or TGA?
Does this happen if you derrive from the 32 bit to a 16?

i had similar problems in Maya with 32 bit displacement maps from Zbrush.
Derriving from EXR solved it.

Hey thanks for the response!

It only doesn't work with any 32-bit image. A 32 bit tiff or psd won't work as well. However a 16 bit image, any format, will work. but 16 bit doesn't hold enough information for what I am trying to get.

And I have tried it at both 4K and 2K resolutions and neither worked. Tried 2K and 4K on every different format as well. It looks like Maya just isn't able to handle 32 bit images, but I don't know what I'm doing wrong.

Last edited by strausd : 10 October 2012 at 04:16 PM.
 
  10 October 2012
ok,maya in general has a problem with 32 bit floating point image files.There are solutions for this problem though.

First check if the tiffFloatReader.mll plugin is checked in your plugin manager!

Assuming you use ZB to generate your displacement,check this vid:
Exporting it through the multimap exporter,with the scale option is mandatory!
http://vimeo.com/25264086

and read this:(Section 4)oldie but has some good info.
http://www.3dlinks.com/downloads/ZB...2005-Nov-10.pdf

Hope it helps,cause it does work!
 
  10 October 2012
Originally Posted by StSabath: ok,maya in general has a problem with 32 bit floating point image files.There are solutions for this problem though.

First check if the tiffFloatReader.mll plugin is checked in your plugin manager!

Assuming you use ZB to generate your displacement,check this vid:
Exporting it through the multimap exporter,with the scale option is mandatory!
http://vimeo.com/25264086

and read this:(Section 4)oldie but has some good info.
http://www.3dlinks.com/downloads/ZB...2005-Nov-10.pdf

Hope it helps,cause it does work!

Yup, plugin is loaded and auto-loaded (I think read about that plug-in through my earlier google searches).

And I am actually using mudbox, I'm a noob sculpter :/
 
  10 October 2012
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