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I made these images some time ago, but forgot to post them.
I used the SRTM test data available on:
ftp://edcsgs9.cr.usgs.gov/pub/data/srtm/
to make an air view of the main island of hawaii. The height scale should
be correct, the resolution of the data is about 50 meters per pixel.
The first image has some fog and media for the atmosphere and clouds, the
second one is without. The texture uses a combination of several slope
patterns, surely not that realistic, but getting a realistic image map of
that resolution is probably nearly impossible.
The third image shows a detail view.
Comments?
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 15 Jul. 2002 _____./\/^>_*_<^\/\.______
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Attachments:
Download 'hawaii_a.jpg' (25 KB)
Download 'hawaii_b.jpg' (21 KB)
Download 'hawaii_detail.jpg' (46 KB)
Preview of image 'hawaii_a.jpg'
Preview of image 'hawaii_b.jpg'
Preview of image 'hawaii_detail.jpg'
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On Wed, 17 Jul 2002 11:44:36 +0200, Christoph Hormann <chr### [at] gmx de>
wrote:
> I made these images some time ago, but forgot to post them.
nice
> The third image shows a detail view.
what is the resolution here ?
ABX
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>
> [...]
> > The third image shows a detail view.
>
> what is the resolution here ?
The terrain is the same resolution as in the full images, the detail view
is cut from a 5000x1000 render.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 15 Jul. 2002 _____./\/^>_*_<^\/\.______
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> The terrain is the same resolution as in the full images, the detail view
> is cut from a 5000x1000 render.
Try that with media. ;o) Well the one with media looks really good. The
horisont seems too bright but the island is like a photo! This setup is not
so simple, I'm also trying something with landscapes these days, so this
image prooves your experience with landscapes!
Regards,
Hugo
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Hugo wrote:
>
> > The terrain is the same resolution as in the full images, the detail view
> > is cut from a 5000x1000 render.
>
> Try that with media. ;o)
No problem, thanks to 'method 3'. IIRC render time was quite reasonable
(<10 hours)
> Well the one with media looks really good. The
> horisont seems too bright but the island is like a photo! This setup is not
> so simple, I'm also trying something with landscapes these days, so this
> image prooves your experience with landscapes!
>
Thanks, a darker horizon usually looks quite 'dirty'.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 15 Jul. 2002 _____./\/^>_*_<^\/\.______
Post a reply to this message
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Cool. I especially like hawaii_a.
Christoph Hormann wrote:
> I made these images some time ago, but forgot to post them.
>
> I used the SRTM test data available on:
>
> ftp://edcsgs9.cr.usgs.gov/pub/data/srtm/
>
> to make an air view of the main island of hawaii. The height scale should
> be correct, the resolution of the data is about 50 meters per pixel.
>
> The first image has some fog and media for the atmosphere and clouds, the
> second one is without. The texture uses a combination of several slope
> patterns, surely not that realistic, but getting a realistic image map of
> that resolution is probably nearly impossible.
>
> The third image shows a detail view.
>
> Comments?
>
> Christoph
>
>
>
> ------------------------------------------------------------------------
>
>
> ------------------------------------------------------------------------
>
>
> ------------------------------------------------------------------------
>
--
Samuel Benge
sbe### [at] caltelcom
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Can you use a lowres image map to bias a hires slope map?
Christoph Hormann wrote:
> patterns, surely not that realistic, but getting a realistic image map of
> that resolution is probably nearly impossible.
Post a reply to this message
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On Wed, 17 Jul 2002 13:41:38 +0200, Christoph Hormann <chr### [at] gmxde>
wrote:
> > what is the resolution here ?
>
> The terrain is the same resolution as in the full images, the detail view
> is cut from a 5000x1000 render.
Oh, I wrongly made my question. How wide in kilometers is first image? How
wide in kilometers is detail view?
ABX
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>
> [...]
>
> Oh, I wrongly made my question. How wide in kilometers is first image? How
> wide in kilometers is detail view?
Well, the island is - others may correct me - about 200 km wide. So the
detail view in the foreground is about 20 km i would estimate.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 15 Jul. 2002 _____./\/^>_*_<^\/\.______
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Samuel Benge wrote:
>
> Cool. I especially like hawaii_a.
>
Thanks.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 15 Jul. 2002 _____./\/^>_*_<^\/\.______
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