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Old 08-02-2006, 10:44 AM   #1
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Default bump

does anyone know a good bump map, or displacment map tutorial cos ive seen a bumpmap tut vid but it used some 3rd party plug in, anyone know a a straight way to do it in maya, n alos something on displacment maps i have no idea what they are. Thaks
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Old 08-02-2006, 10:59 AM   #2
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a bump map is lets say u have a pic of a wall all u do is make it grey scale and just save as a psd name it wall bump so u know what it is. then just apply it to ure texture of lets say ure the bump section. easy as that.
dark is protruding in. light is bumped. (The colours of the greyscale)to make a specular map its the same thing just into the specular option in ure initial texture attributes. make it grey scale too. but an easy way is to maybe blur the grey scale and up the contrast slighly that should show u how it works kinda.

Edit** not specular i mean displacement section in the attributes
but its the same process.

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Old 08-02-2006, 11:23 AM   #3
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ok thx ill give that a go sounds easier than i thought.
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Old 08-02-2006, 11:58 AM   #4
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It initially seems a little confusing jhubbard but after a couple of tries it gets really easy.
Try using a blinn material and when you look at the material attributes it'll have a 'bump' field. Click the icon at the right and import your bump file. Then you might need to mess with the bump level to get the desired height.
For the specular map it is a very similar process. Again with a blinn select the icon to the right of specular color and choose the file you have created. Give the scene a render and you should have a bumped+speculared image

I haven't tried diffuse or displacement yet but I'm sure they aren't voodoo either (...he hopes )
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