Heightmaps - 16bit vs 32bit

Blitz3D Forums/Blitz3D Programming/Heightmaps - 16bit vs 32bit

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Still 192k for a 256x256 image?? Do I have to then convert this to 256 color?

Tried saving the 16bit image as 256 color in 'Paint' that comes with XP ( the picture viewer doesn't have the option) and it doesn't look right. Can't post a picture but it's not greyscale.

I'm obviously doing something wrong here - any idead .. anyone?