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I'm using a Mac, BTW. I want to export a terrain from Unity, perform some manipulations in GIMP (want to raise the terrain uniformly so I can carve deep valleys), and then reimport back into Unity. I'm having a hard time with the import to GIMP, as everything is grayscale but GIMP only seems to understand RGB RAWs. Anyone seen, hopefully conquered this issue?
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How are you doing the export? DEM's (if that's what you're doing) are generally 16-bit grayscale. If GIMP can handle them, then it should be ok, my version (2) does not seem to have that. I'm exporting the heightmap by choosing Terrain->Export Heightmap. Is there another way? The only options I see when I export the terrain are Depth and ByteOrder. I'm choosing 16-Bit and Mac, respectively. It then makes a 16-bit grayscale RAW image. Thanks for your help!
Aug 15 '11 at 08:20 PM
adamrmoss
Looks like you'll need Gimp 2.8 http://www.gimpusers.com/tutorials/gimp-2-8-new-features
Aug 15 '11 at 09:25 PM
DaveA
Yeah, it looks like that's exactly what I need!
Aug 16 '11 at 02:52 PM
adamrmoss
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If GIMP simply can't handle grayscale RAW images, is there any other (cheap or free) Mac-friendly image editing software (or dedicated heightmap editing) software that folks can recommend?