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Carrara F.A.Q (Last Updated: 2025 Jan 20 11:31 am)

 

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Subject: A little question about shading...


noviski ( ) posted Tue, 31 May 2005 at 9:33 AM · edited Thu, 23 January 2025 at 9:01 PM

Hi, folks! Following some 3d modelers tutorials, when you put a shader on the element, they use other names for some functions. Example: diffuse, specular and self-ilumination. In Carraras shaders what is those parameters? I understand diffuse as a "Color". But, I dont get what is the other two. Thanks!


Sardtok ( ) posted Tue, 31 May 2005 at 9:57 AM

Specular has been discussed before, and it should pretty much match the Highlight channel... Self-illumination sounds a lot like the glow channel (a color or texture that doesn't require light to show up), be careful not to use too strong a glow along with color, or things will look overexposed...


noviski ( ) posted Tue, 31 May 2005 at 11:17 AM

file_248614.jpg

Thank you, Sardtok! I took this image from a CG forum and looks like the self-ilumination is the highlight channel, and the specular is the shinnes. What do you think?


Sardtok ( ) posted Tue, 31 May 2005 at 1:37 PM

Could be... I used to think Shininess and Specular was the same thing, but someone said that Spec. and Highlight was the same and that Shininess was something else... That self-illunination doesn't look very much like glow, but have you tried it in the different channels? What gives the best results?


noviski ( ) posted Tue, 31 May 2005 at 3:21 PM

The best results are: Diffuse=Color Specular=Highlights Self-Ilumination=Shinnes Thanks, Sardtok. Im testing the parameters at my Curupira model, soon you Ill post here for you. ;-)


Sardtok ( ) posted Tue, 31 May 2005 at 4:53 PM

Looking forward to it, loved that Curupira...


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