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hmm, here is the image...
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Attachments:
Download 'colored_trees.jpg' (369 KB)
Preview of image 'colored_trees.jpg'
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Am 15.03.2012 20:32, schrieb Norbert Kern:
> hmm, here is the image...
Nice one; what did you use to make this picture - acrylic or oil colors? :-D
Honestly, this is fantastic.
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clipka <ano### [at] anonymous org> wrote:
> Am 15.03.2012 20:32, schrieb Norbert Kern:
> > hmm, here is the image...
>
> Nice one; what did you use to make this picture - acrylic or oil colors? :-D
>
> Honestly, this is fantastic.
Hm, seems to be povray
fantastic
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Excellent technique and very beautiful image indeed!
On 15-3-2012 20:29, Norbert Kern wrote:
> Hi,
>
> i want to share a nice trick.
> [snip]
> So I used an old Poseray version, which opens mesh2 files and is able to save in
> the old mesh formate (Poseray 3.8.7).
Ah this is nice! Might be a good reason to ask FlyerX to add a
mesh/mesh2 save option, with mesh2 as default.
> Then I read the first triangle coordinate and saved the color value derived by
> the projection pattern in a different file. After some copy and paste I had a
> mesh with three different imagemap based leaf textures (red, yellow and green).
I am not entirely sure how you did this but the result is spectacular
and convincing.
>
> As a demonstration file I used a nice backlit scene inspired by a romantic
> painting I found on the web long time ago.
> Only the two big trees use the projection pattern trick.
Thomas
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> Only the two big trees use the projection pattern trick.
>
>
> Norbert Kern
>
Impressive.
Paolo
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clipka <ano### [at] anonymousorg> wrote:
> Nice one; what did you use to make this picture - acrylic or oil colors? :-D
>
> Honestly, this is fantastic.
thank you very much!
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"BertvdB" <ber### [at] kpnmailnl> wrote:
> Hm, seems to be povray
> fantastic
Thanx!!
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Thomas de Groot <tho### [at] degrootorg> wrote:
> I am not entirely sure how you did this but the result is spectacular
> and convincing.
I will add a simple demonstration file to povray.binaries.scene-files, where the
several steps are shown.
As you can see, saving a mesh saves a lot of render time, but there is a
disatvantage too - sharp leaf texture changes can happen within one leaf.
Of course this trick can be useful for several kinds of slow textures applied to
a mesh...
Norbert
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Attachments:
Download 'projection pattern trick.jpg' (142 KB)
Preview of image 'projection pattern trick.jpg'
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Paolo Gibellini <p.g### [at] gmailcom> wrote:
> Impressive.
> Paolo
thank you very much!
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On 18-3-2012 10:08, Norbert Kern wrote:
> I will add a simple demonstration file to povray.binaries.scene-files, where the
> several steps are shown.
> As you can see, saving a mesh saves a lot of render time, but there is a
> disatvantage too - sharp leaf texture changes can happen within one leaf.
It is not such a disadvantage I believe as one can see sometimes those
kind of texture changes in nature as well.
>
> Of course this trick can be useful for several kinds of slow textures applied to
> a mesh...
Sure. Now we just need that old Poseray version again... or an addition
to the latest version. My old versions have all been deleted ages ago. :-)
Thomas
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