As I said, the problems I have with the clouds were not introduced by the metanodes. I just generally have difficulties with the clouds positioning. For example- I put 2 cloud layers each a ' front' at altitude 0 and 1km, both with height of 2km, so there should be an overlap, as seen in the top right image (overlaping grey bands). But when I render it, there is a gap between the layers(top left image). I understand that the various density function manipulations change the appearance of the layer, and some areas in the band will have no density. But it would be nice to be able to see it in the preview windows. (Enabling cloud preview is completely useless, terribly slow and misses out on large areas, like the whole of my blue cloud which is seen from the top doesnt show up at all) The other thing I dont follow, is the units of many of the parameters and the position of the pivoting point. I tried for example to use the offset-rotate-scale metanode to rotate the cloud layer - I have difficulties understanding what it's doing and I think it's becuase I dont know where the pivote point is. I also tried to change the 'amount' parameters which should define where the edge of the front is. I changed the value in the x direction from 0 (top left) to -1.5 (bottom left) and -2.0 (bottom right). (y value left unchanged). I find it hard to understand the changes. (and what sort of units are these numbers...). I had other problems that mistified me - changing the scale of the cloud material(in the range of 0.5-2) moved the position of the front's edge...

Why do I want to introduce  all these parameter changes? good question:)  Same reason people climb mountains, just becuase they are there. Obviousely I have my ideas what they should do, but quite often it doesnt work as I thought it will. Probably still large gaps in my understanding, but these products contribute to shirinking these gaps.

"I paint that which comes from the imagination or from dreams, or from an unconscious drive. I photograph the things that I do not wish to paint, the things which already have an existence."
Man Ray, modernist painter
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