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Hi;
I'm relatively new to POV-RAY, so I expect this technique has been
used before but I found the results interesting. I created a fractal in
Xaos, used the png as a heightfield, and then image mapped the png onto
the heightfield.
Original fractal:
Altered fractal:
--
George J. Wallace
Post a reply to this message
Attachments:
Download 'iso-8859-1' (2 KB)
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Hi;
Here's another one.
Original fractal:
Altered fractal:
--
George J. Wallace
Post a reply to this message
Attachments:
Download 'iso-8859-1' (2 KB)
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Interesting. Yes, has been done :-)
A few suggestions:
- Move the camera away from the vertical to increase the sense of depth
- light the height_field from a lower angle (is there a light, btw?); not
sure, but you may have to set the finish{ambient} to 0 for the map.
- decrease the vertical scale of the height_field
(note: Do not use html format in newsgroup mails.)
Thomas
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"George J. Wallace" <geo### [at] msn com> wrote:
> Hi;
> I'm relatively new to POV-RAY, so I expect this technique has been
> used before but I found the results interesting. I created a fractal in
> Xaos, used the png as a heightfield, and then image mapped the png onto
> the heightfield.
> Original fractal:
>
>
> Altered fractal:
>
>
> --
> George J. Wallace
I cannot see anything in the html document
Stephen
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Hi Thomas;
Thanks for the advice! And sorry about using HTML format - won't happen
again. Do you know if anyone has used this technique for modelling objects
from plan views? I suspect that painting over a plan view could be a quick
way to create a model for POV-RAY and would like to learn more about the
"tips and tricks" of doing it.
Thanks again...
gjw
"Thomas de Groot" <t.d### [at] internlDOTnet> wrote in message
news:4684b80c$1@news.povray.org...
> Interesting. Yes, has been done :-)
> A few suggestions:
> - Move the camera away from the vertical to increase the sense of depth
> - light the height_field from a lower angle (is there a light, btw?); not
> sure, but you may have to set the finish{ambient} to 0 for the map.
> - decrease the vertical scale of the height_field
>
> (note: Do not use html format in newsgroup mails.)
>
> Thomas
>
>
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Thomas de Groot wrote:
>
> (note: Do not use html format in newsgroup mails.)
That explains the invisible images :/
~Sam
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"George J. Wallace" <geo### [at] msncom> schreef in bericht
news:46852f1a$1@news.povray.org...
> Hi Thomas;
> Thanks for the advice! And sorry about using HTML format - won't happen
> again. Do you know if anyone has used this technique for modelling
> objects
> from plan views? I suspect that painting over a plan view could be a
> quick
> way to create a model for POV-RAY and would like to learn more about the
> "tips and tricks" of doing it.
> Thanks again...
>
> gjw
>
Any image will do for making a height_field, but it is not really a smart
way for making objects. To my knowledge, there is one application
http://www.archipelis.com/ that attempts to do exactly that.
Thomas
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