>for...@gimpusers.com (2009-11-24 at 2113.32 +0100):
>> hello there i am a blender user
>> i i wanted to create a texture for bumomap/normal map
>> in gimp
>> i tryed the noise filter but this is not what i need
>You have to combine it with other things. ;]
>> i am modeling a camera
>> see camera real image here
>> u can see that the camera material have little bumps
>> with different shapes in each little bump
>> how can i generate a texture like this in gimp
>You can probably do it in Blender too, using clouds texture, custom
>colour gradients, etc. But in Gimp:
>- new white image.
>- rgb noise filter, move sliders to max so you get lots of dots.
>- desaturate (lightness one is fine, try others if you want).
>- blur (normal one will do here).
>- curves, make a _/ curve , the histogram should show a sharp spike on
> the right side like /\, I placed the curve parallel to the left side
> of spike (x 162, y 0 and x 183, y 255, approx). This leaves you with
> some random black spots.
>- guassian blur, 1-2 pixels to smooth.
>- invert if you need the bump map that way.
>As last note, I decided the dot density was too low, so before invert
>I duplicated the layer, offset it, and put it in multiply mode. Next
>would be making the result tileable (plenty of tutorials about this,
>most just forget that you should use offset multiple times different
>values, otherwise you will have zones that are hard to touch up).
no luck there doing that
for start noise was creating noise with different colors
on curves , changing the line _/
wont effect the histogram on the background
any way i can share my result on this page ?
sotty i am no expert on gimp
shay t. (via www.gimpusers.com)
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