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"Jim Holsenback" <jho### [at] hotmail com> schreef in bericht
news:486ca7a0$1@news.povray.org...
>
> ah yes ..... no matter how I tried to position the 3 overlapping height
> fields I was unable to get the lake to be as round as I wanted.
Hmm... What you could maybe try in WorldMachine is to add another hf
consisting of a grey-scale image showing a circular gradient or something
like that, which would level out the other hf's to a more circular shape.
>
> I was struggling with the depth and size cues of the caldera itself until
> (by accident) I made a typo on the y axis position of the cloud bank.
> Positioning it just below the height of the adjacent peak sold that idea.
Yes, that was an excellent typo :-)
> As for the vegetation I had two types a cacti one a wings object the other
> an iso_surface and scaling was an issue ..... they ended up so small that
> they became moot. I toyed with the idea of having a couple of cacti close
> to the camera but that didn't pan out ..... objects are easy, scenes are a
> bit more of a challenge. I have no artist training whatsoever so
> sometimes I struggle with the most basic concepts. I didn't "get" the
> depth cue idea until you commented on one of my scenes awhile ago ..... so
> thanks for the feedback
You are welcome. I know what you mean, scene building is an interesting
learning zone that has to be struggled through each and every time.
Solutions are not always obvious.
I am not sure, but maybe if the forefront rocks were a bit smaller, cacti
would be easier to place there, and as a consequence would enable some depth
effect towards the background.
Thomas
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