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Comments: 5
bullit35744

28.03.2024, 11:32








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Something metallic
Something metallic

            

Something metallic
Description: Bryce 7.1 Pro.
The experiments with modeling, lighting, procedural textures and materials.
Added by: slepalex
Keywords: modeling, lighting, procedural textures, slepalex
Date: 12.30.2011 21:38
Hits: 4268
Downloads: 76
Rating: 0.00 (0 Vote(s))
File size: 278.5 KB
Previous image: Mandarins on the windowsill



Author: Comment:
rashadcarter1
Admin

Join Date: 06.04.2006
Comments: 2610
-

From a lighting point of view there is a lack of indirect lighting which would correct the shadows. Good that you did not overuse the ambience for this test of sorts. The texturing is fantastic, in particular I am impressed with the wall material. Great work as always from you.
12.31.2011 16:53 Offline rashadcarter1 rashadcarter1 at aol.com
davidbrinnen
Admin

Join Date: 01.03.2004
Comments: 2224
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Interesting experimentations. Somewhat hit and miss, for me the blueish tinted cast spanners are the star of the show. And if they are lattices, then for once the seam works in your favour whereas mostly the seam is just troublesome.
12.31.2011 18:31 Offline davidbrinnen mail at davidbrinnen.co.uk http://www.davidbrinnen.com
slepalex
Member

Join Date: 10.15.2010
Comments: 881
-

Thank you.

Rashad, indirect lighting is! Here are three of the array "Cube Dome Light". Each consists of nine sources. From a ceiling, from a back wall, from the right wall (imitates the scattered light from the window). In the window the sun shines with a 5% soft shadows.

David, the wrench, the case of a manometer and the gate handle (on a table) are really made of symmetric lattices. A seam - a known problem.
01.01.2012 10:35 Offline slepalex slepalex at yandex.ru
slepalex
Member

Join Date: 10.15.2010
Comments: 881
-

I will add that the carving on the lid of bottle and on bolts is made in DTE with procedural "Bump".
01.01.2012 10:48 Offline slepalex slepalex at yandex.ru
davidbrinnen
Admin

Join Date: 01.03.2004
Comments: 2224
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Good work with the carving - "threads", I suppose. Works nicely! Thanks for drawing our attention to it, I'd missed that.
01.01.2012 11:03 Offline davidbrinnen mail at davidbrinnen.co.uk http://www.davidbrinnen.com
Horo
Admin

Join Date: 05.26.2004
Comments: 4721
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Superb modelling. I can't see anything wrong with the light and shadows.
01.01.2012 14:49 Offline Horo h.-r.h.wernli at bluewin.ch https://www.horo.ch/
slepalex
Member

Join Date: 10.15.2010
Comments: 881
-

David, I made several versions of the material with thread. There is a left-and right-handed thread. As well as multiple-start thread.

For example.
Noise:
Sine, Standard, Octaves 0, 1D, Direction XY=90, XZ=0. Frequency X=75, Y=175, Z=0.
Filter: Clip aX+b, a=1, b=0. For part-time threads (like on the lid) "b" can be increased / decreased. For a trapezoidal thread to increase "a".

Edit Texture:
Scale X=40, Y=80, Z=40
Rotate X=0, Y=0, Z=-6 (right), Z=6 (left)
Projection cylindrical.

Variant.
Noise:
Sine, Standard, Octaves 0, 1D, Direction XY=90, XZ=0. Frequency X=151, Y=0, Z=0.

Edit Texture:
Double-threaded right-handed thread.
Scale X=40, Y=40, Z=40
Rotate X=0, Y=0, Z=-12 (right), Z=12 (left)
Projection cylindrical.

In the algorithm, I think you understand yourself. :)
It is possible to add in a component 2 or in other source of a texture usual noise RND Continuous.
01.01.2012 15:14 Offline slepalex slepalex at yandex.ru
slepalex
Member

Join Date: 10.15.2010
Comments: 881
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I should add that the value of Y and Z in the noise does not play any role in this case. :))
01.01.2012 15:19 Offline slepalex slepalex at yandex.ru
slepalex
Member

Join Date: 10.15.2010
Comments: 881
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Thank you, Horo.
01.01.2012 15:40 Offline slepalex slepalex at yandex.ru
davidbrinnen
Admin

Join Date: 01.03.2004
Comments: 2224
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Something along the lines of http://www.bryce5.com/details.php?image_id=3680 I gather. I used parametric rather than cylindrical, but that is just a matter of scaling mostly. The biggest difficultly I found was getting the threads to line up along the join.
01.01.2012 16:30 Offline davidbrinnen mail at davidbrinnen.co.uk http://www.davidbrinnen.com
slepalex
Member

Join Date: 10.15.2010
Comments: 881
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If you increase the value of Y twice in Edit Texture, then get a double-start thread. To obtain single-start thread, it is necessary to reduce the Z value of 1.5. And vice versa. This is the rule.
01.01.2012 16:52 Offline slepalex slepalex at yandex.ru
slepalex
Member

Join Date: 10.15.2010
Comments: 881
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David, your error that you did slope of thread in the DTE, but better and easier to do it in Texture Editor. It is easier to manage texture.
01.01.2012 17:14 Offline slepalex slepalex at yandex.ru
davidbrinnen
Admin

Join Date: 01.03.2004
Comments: 2224
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Good thinking, yes, you are right. I always try to do everything at the lowest level for some reason, but that is not always the best approach.
01.01.2012 19:03 Offline davidbrinnen mail at davidbrinnen.co.uk http://www.davidbrinnen.com
slepalex
Member

Join Date: 10.15.2010
Comments: 881
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Here I had an error. When the frequency decreases by 2 times no matter where in the DTE or the Texture Editor, need to increase the angle of rotation of Z (Rotate Z) is also 2 times! By increasing the contrary! This is to ensure that joint texture (seam) was correct and remained single-start thread.
01.02.2012 14:11 Offline slepalex slepalex at yandex.ru
davidbrinnen
Admin

Join Date: 01.03.2004
Comments: 2224
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What is needed is some kind of helical mapping mode, that ensures all this happens without difficulty.
01.03.2012 12:08 Offline davidbrinnen mail at davidbrinnen.co.uk http://www.davidbrinnen.com
electro-elvis
Member

Join Date: 12.11.2010
Comments: 247
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Excellent pictures. And your solution for the threads is really clever. Maybe this could be one of this rather rare cases where "displacement" could give an additional kick, e.g. on the lid of the bottle (the screws look great anyway).
I tried this for myself and beginning was quiet promising but then Bryce crashed (displacement is like a naughty kid)
01.10.2012 21:45 Offline electro-elvis
slepalex
Member

Join Date: 10.15.2010
Comments: 881
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Thank you, electro-elvis! But this is not "displacement"! This is a typical "Bump". No problems with the fall of Bryce!
01.11.2012 13:40 Offline slepalex slepalex at yandex.ru


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