FULL IMPLEMENTATION OF LIGHTWORKS NOW!!!!

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ā2006-08-14
08:00 PM
- last edited on
ā2023-05-11
01:43 PM
by
Noemi Balogh
Do you agree?
Visit
http://www.lightwork.com/
to see what this rendering engine can do once completely implemented in an application.
Vote Essential.

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ā2006-08-30 03:22 PM
The Displacement Shaders you refer to are "Wrapped Dimple" and "Wrapped Knurl." These shaders are illlustrated with one entire column in my book (page 103), which is about what they deserve considering that real knurling is diamond-shaped and wraps diagonally and the Dimpling is harsh, having poor roll-over at the base of each dimple.
These shaders are like certain "forms+surfaces" products: those shiny embossed panels for cheesy interiors.
Another drawback to these displacement shaders is that they present such apparent depth it is disappointing to come to the edge of an object and see its sharp, flat edge slicing through bulgy dimples - an illusion ruined.

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ā2006-08-30 04:21 PM

The shader is Wrapped Knurl only, in few variations.
Detailed shaders description is a subject for next two books for sure.
RafaÅ
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//ArchiCAD 28/Twinmotion 2024
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ā2006-08-30 04:27 PM
I would never said that those pictures were rendered wit LW


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ā2006-08-30 04:30 PM
On your image array, the second one down on the left has bulbous dimples. Can you please post the wrapped knurl setting to get that?
To: WhiteMan:
This work is so good because he bought my book.

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ā2006-08-30 04:41 PM
Truth is that few users will bother with adjusting shaders. It is a HUGE topic and the time it takes to refine three or five shader combinations into a reasonable material effect is ENORMOUS.
Most professional users will continue to rely on existing material collections, largely texture maps, occasionally using the displacement shader to provide alpha channel relief. LightWorks can employ any image as an alpha channel to make surface relief.
If you bought and registered my book, it includes a download of all of the LightWorks Archive materials made into ArchiCAD Materials. While many of these are klunky textures, all users are advised to explore the LightWorks Archive accessed through the material dialog to discover additional sophisticated materials using both texture maps and shaders.

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ā2006-08-30 05:20 PM
Dwight wrote:
RS:
On your image array, the second one down on the left has bulbous dimples. Can you please post the wrapped knurl setting to get that?
No problem. Especially for You I've used
I made this after 20 minutes playing with parameters...
Dwight wrote:
To: WhiteMan:
This work is so good because he bought my book.
Yes.

RafaÅ
//Archicad since 4.1 version
//MacBook Pro Retina 2019/2.4 GHz/Intel Core i9/32GB RAM/Radeon Pro 5500M 4GB/macOS 13.6
//Razer Intel i9/2.5GHz/32GB/Nvidia RTX 3080/Windows 11 Pro
//ArchiCAD 28/Twinmotion 2024

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ā2006-08-30 05:45 PM
Maximum knurl blend = dimple.
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