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Following Norbert Kern's 'Mountain forest', I wanted to show here an
example of the easy use of the Displacement function in Poseray, and
which is not enough known, I guess.
First make an object and an uv-mapped texture. Then import in Poseray.
A first image shows the used settings in Poseray:
- a displacement map can be made with Gimp, based on the image map used.
it should/could be blurred/dilated with Gimp, then with IC;
- amount of displacement -0.01 (black) and 0.02 (white); only the x and
z components in the case of this wall;
- adaptive subdivision (threshold 0.05 to 0.1 according to cases);
- after this, 'Displace geometry' generates the displacement of the object.
The second image shows the result rendered in POV-Ray.
--
Thomas
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Attachments:
Download 'poseray_displacement1.jpg' (268 KB)
Download 'test_displacement4.jpg' (99 KB)
Preview of image 'poseray_displacement1.jpg'
Preview of image 'test_displacement4.jpg'
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From: Thomas de Groot
Subject: Re: Displacement function in Poseray
Date: 18 Oct 2021 10:43:42
Message: <616d881e@news.povray.org>
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Another interesting displacement material is the one obtained with the
'strands' application by Sam Benge. Attached are the results, one with
the used image_map superposed over the resulting displacement.
--
Thomas
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Attachments:
Download 'test_displacement_strandsbust1.jpg' (88 KB)
Download 'test_displacement_strandsbust2.jpg' (76 KB)
Preview of image 'test_displacement_strandsbust1.jpg'
Preview of image 'test_displacement_strandsbust2.jpg'
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Il 18/10/2021 16:43, Thomas de Groot ha scritto:
> Another interesting displacement material is the one obtained with the
> 'strands' application by Sam Benge. Attached are the results, one with
> the used image_map superposed over the resulting displacement.
>
Really interesting!
Paolo
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Op 22-10-2021 om 16:13 schreef Paolo Gibellini:
> Really interesting!
>
Yes indeed. I just discovered that Jaime was a trailblazer:
http://www.ignorancia.org/index.php/technical/experiments/mesh-displacement/
:-)
--
Thomas
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From: Paolo Gibellini
Subject: Re: Displacement function in Poseray
Date: 24 Oct 2021 17:59:34
Message: <6175d746@news.povray.org>
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Il 22/10/2021 16:48, Thomas de Groot ha scritto:
> Op 22-10-2021 om 16:13 schreef Paolo Gibellini:
>> Really interesting!
>>
> Yes indeed. I just discovered that Jaime was a trailblazer:
>
http://www.ignorancia.org/index.php/technical/experiments/mesh-displacement/
> :-)
>
Indeed, a traiblazer with evening dress!
Paolo
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