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Kerkythea Rendering System • View topic - editing cloth by patrick
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editing cloth by patrick

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<<

atreus

KT-Senior

Posts: 89

Joined: Sun Jun 21, 2009 1:03 pm

Location: Cebu City, Philippines

Post Sun Nov 28, 2010 10:00 am

editing cloth by patrick

Im having problems editing patrick'c cloth mat, im trying to change the color of his cloth to white but still their are traces of green color in the material.. im attaching the ss of the material editor & rendered image..
Attachments
test.jpg
mat_editor.png
<<

massimo

KT-Wizard

Posts: 606

Joined: Sun Apr 05, 2009 3:58 pm

Location: Italy

Post Sun Nov 28, 2010 11:14 am

Atreus, you don't have to change anything in the material's structure. :!:
Just change the colours of the fresnel ramp for the diffuse and spec slots. See the pictures below.
Attachments
Cattura_3.JPG
Cattura.JPG
Cattura_2.JPG
<<

atreus

KT-Senior

Posts: 89

Joined: Sun Jun 21, 2009 1:03 pm

Location: Cebu City, Philippines

Post Sun Nov 28, 2010 1:08 pm

i didn't know that,as always thank you massimo for answering my question here :D i dont know much about editing the materials except for the color and changing the bitmap on the diffuse area :(

once again thank you so much!now i can explore more on the materials... :D
<<

massimo

KT-Wizard

Posts: 606

Joined: Sun Apr 05, 2009 3:58 pm

Location: Italy

Post Sun Nov 28, 2010 1:39 pm

You're welcome atreus. :)
<<

LAPX

KT-Master

Posts: 617

Joined: Fri Dec 15, 2006 1:03 pm

Location: ST. LOUIS MO.

Post Thu Dec 23, 2010 1:28 am

Massimo,

Can you explain the behavoir of the numbers in the fresnel slot? How do they correlate with the color. This has always been a mistery to me.

thanks,
<<

massimo

KT-Wizard

Posts: 606

Joined: Sun Apr 05, 2009 3:58 pm

Location: Italy

Post Thu Dec 23, 2010 8:15 am

Well LAPX as you probably know the two colours of a Fresnel ramp represent the reflectance that an object shows at 0° and 90°. Those numbers you see in the slots are related to the "Value" (also called "Brightness" or "Lightness") in the HSV colour representation. The HSV (Hue, Saturation and Value) is a cylindrical-coordinate representations of points in an RGB color model. The "Value" is the distance along the axis of the cylinder. Those numbers are "Values" percentages: 0=0% and 1=100%. See also for a more detailed explanation of HSV system. So basically by changing the "Value" you modify the brightness of a colour.
You can also use these percentages to balance the weights of a layered material.
Hope this helps a bit. :grin:
Attachments
Cattura_2.jpg
Cattura_a.JPG
&quot;Value&quot; and the wheel of colours
Cattura.JPG
&quot;Value&quot; in weights

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