Imf_copy

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  12 December 2006
Imf_copy

hi all, iam trying to convert a tif to a map file, for some reason i cant do it, if i use convertfile.bat that some users did, it doesnt work, and if i do it manually in the cmd window, i get something like imf error. and i also tried franscescaluce sript for photoshop and i cant get it working, so if anyone could help, and btw, what is imf and were is it located, cuz i searched my whole computer and i cant find it, thx.
 
  12 December 2006
nervermind, the thing was that i had to convert the tiff file from grayscale to rbg mode so that the convertfile.bat(posted somwhere in the forums) could convert it. thx again
 
  12 December 2006
BTW, the imf_* tools including imf_copy should be in the bin directory of the Maya distribution. So if the path to the maya executable is in your environment, then you should be able to easily use the imf_* tools at the command line as well.

In particular, with Maya 8 now the maya_file node knows how to work with tiled .map files. This makes mental ray automatically use texture caching, an important feature for scenes with lots of non-small textures. For example,

imf_copy -p -r mytex.tif mytex.map

This will create a pyramid, tiled texture map file in the native mental ray .map format.

Use imf_info to verify.

To do a similar feat for exr, there is a command in the download from www.openexr.com called exrmaketiled. mental ray will also automatically use the texture cache for tiled exr files.

Last edited by bgawboy : 12 December 2006 at 02:39 AM.
 
  12 December 2006
Fantastic! Thank you very much for that great information bgawboy.
 
  01 January 2007
thx for the info man, i gotta admit that thing was getting me confused, thx bro
 
  01 January 2007
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