I haven't experienced this issue myself, but just a quick thought. Gimp does allow .rgb saved with 'Aggressive RLE (not supported by SGI)'. Does OSG support both RLE or only the SGI RLE?
Ken. On Mon, 2006-11-06 at 17:10 +0000, Robert Osfield wrote: > HI Mathias, > > On 11/6/06, Mathias Froehlich <[EMAIL PROTECTED]> > > It appears to me that the length of the run length encoding is wrong. > > That change limits that to the min of the value from the file and the > > remaining line length. May be this is suficient? > > I have just added some debug output to you workaround and get the > following when reading the sun.rgba: > > > RawImageGetRow - > ok count - 44 > ok count - 40 > ok count - 44 > ok count - 0 > > RawImageGetRow - > ok count - 126 > ok count - 2 > Clamping count before - 3 > after - 0 > > RawImageGetRow - > ok count - 126 > ok count - 2 > Clamping count before - 3 > after - 0 > > Now the size of the image is 128x128x4(rgba) and its run length > encoded by why should there rows with extra pixels that run over the > end of the line? Not all lines are broken though, many add up to 128 > just fine. > > I have run other .rgb files that I have with run length encoding and > they are fine, and always have a 0 at the end, which is what the OSG > reader looks for. > > It looks to me like the file is not created in a proper form and other > loaders are more easy going with it, checking for length of line. > > The code should possibly be changed to keep reading till the end of > the line or a zero delimiter. The check should probably be elsewhere > than you've added though, as if we are trying to catch dodgy files the > file should really stop at the last byte in the row. > > > > It'd also be interesting to load and save the problem RGB's via > > > ImageMagic/gimp and then see if the OSG copes fine with the newly > > > saved version. > > That works. > > If I do a > > convert sun.rgba SGI:othersun.rgba > > the loader does not bail out. > > Note that the resulting file is longer than the original one. > > This is another sign that perhaps the file is 100% ok. > > The question is what to do about it. Do you know the history of this > file? Is there some export tool that is being used that is creating > doggy .rgbs? > > Robert. > _______________________________________________ > osg-users mailing list > osg-users@openscenegraph.net > http://openscenegraph.net/mailman/listinfo/osg-users > http://www.openscenegraph.org/ _______________________________________________ osg-users mailing list osg-users@openscenegraph.net http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
