"krus" <nomail@nomail> wrote in message
news:web.3d5a39c91ed38c652f4bd1e30@news.povray.org...
<snip>
Hmm, a height field takes, as its input, an image.
Are you sure that program x can't do the same? Certainly Leveller (a hf
manipulation program) can do this and then let you edit the terrain and export
to other formats.