Inverse Normalmaps: Difference between revisions

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originally written by [[Template:Name]]
originally written by [[Template:Original_Reference]]


Since this issue has come up a few times while looking at the textures, I thought I may post a way to visually check to see if the normal map has been generated correctly.
Since this issue has come up a few times while looking at the textures, I thought I may post a way to visually check to see if the normal map has been generated correctly.

Revision as of 15:05, 10 September 2006

originally written by Template:Original_Reference

Since this issue has come up a few times while looking at the textures, I thought I may post a way to visually check to see if the normal map has been generated correctly.

The normal map should look like it's been lit up by different colored lights like this:

IPB Image

And another issue that's come up is generating normal maps, via the nvidia normal map plugin, straight from the diffuse texture. Here's a tutorial link to make normal maps from height maps:

http://www.quake3bits.com/htm/tutorials/cr...from_images.htm

You have to be careful with gradients if you want rounded edges. This plugin interprets those as being angular so you have to use a gaussian blur in order to get decent rounded edges.