Heightmap (Image program function)

Description

This function will convert a height map into a normal map.

Usage

heightmap ([map], [strength])

Parameters

• [map] - The heightmap to convert.
• [strength] - The strength or scale of the resulting normal map as a float.

Example

Convert a height map into a normal map…

textures/heightmap
{
   {
      blend bumpmap
      map   heightmap(textures/custom/image_1.tga, 10)
   }
}

Notes

None.