Height field normalise?

Started by digitalguru, February 23, 2024, 08:05:45 AM

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I'm experimenting with taking section out of a Terragen scene terrain and importing into Gaea to add morer detail.
I've got a good method of exporting an exr as a heightfield (see: https://planetside.co.uk/forums/index.php?msg=213591)
But that heightfield has absolute values for the terrain, Gaea seems to like normalised heightmaps when importing as a File.

Is there an app or prog that can normalise heightfield? Or a formula to work it out? At the moment I'm passing the heightfield from TGD through World Machine to normalise it, but getting the right height at the moment is a bit of guesswork.