On 19-8-2011 23:45, Christian Froeschlin wrote:

> Worst case you can always create a copy of the landscape height_field
> translates slightly up just for the roads, so the transparency will show
> the lower height_field.
Yes, that should be last resort indeed.

> Assuming you can make a road image that is white where the roads
> are, black where the roads are not, and somewhat smoothed to avoid
> hard edges, you should be able to load it as an image_map, use that
> as a pigment_pattern with texture_map, using landscape texture for
> 0 and road texture for 1.
Yes, that is the way I was thinking too, and started experimenting. I 
see that I am on the right track (no pun intended)... Thanks!

Thomas

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