Architect wrote:
> Hi,
> 
> I have a specific scene in mind. I want to create a smooth land with small
> hills. From the camera, surface goes down and comes back up in the
> distance.  I was'nt able to create a heightfield that can be rendered as I
> wanted. Heightfield generators seem to work well for randomly created
> terrains but not for specific topologies. I tried terragen and was very
> unhappy with the result.

Try planetgenesis...  http://planetgenesis.sourceforge.net/

It has a number of different noise generators and you can combine them 
in different ways. Some ripples with a gradient should get what you 
describe.

> 1) Is there a an easy way to paint the heightfield in any tool?
> 

Check out Cinepaint http://cinepaint.sourceforge.net/

It can handle 16 bit greyscales, I use it to tweak the output from 
planetgenesis, great for carving rivers and stuff...

RG

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