Thomas de Groot wrote:
> In povray.general, Stephen asked for a method to make a seamless patchwork 
> of height_fields (topic: Interlocking heightfields; May 11th). John 
> VanSickle was so kind to provide a couple of interesting macros. While 
> learning to use them, I made this simple test image consisting of 16 
> heightfields. I thought I could post it here, as info.

When I used these macros, I gave the height fields a high enough 
resolution so that there was no need for any tricks with the normals. 
There was no smoothing, and the texture applied to the height fields had 
no normal component.  To make the height fields rougher, I put more 
roughness in the pigment used to generate the height fields, so that the 
height fields really were rougher, instead of merely appearing to be.

Regards,
John

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