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Vue F.A.Q (Last Updated: 2024 Oct 17 8:34 am)
I was thinking...
If one of the more common solutions for banding in postwork is noise addition, maybe this can be done in Vue as well. My idea is: instead of having one solid color for your water, why not have a color map where the left and right colors are only slightly different, and drive this color map with a thin noise node? Maybe this would do the trick... At least, the principle is the same, so theoretically it should work (I think...).
Anyway, it's easy to try. Let us know if it solved the problem.
Quote - I was thinking...
If one of the more common solutions for banding in postwork is noise addition, maybe this can be done in Vue as well. My idea is: instead of having one solid color for your water, why not have a color map where the left and right colors are only slightly different, and drive this color map with a thin noise node? Maybe this would do the trick... At least, the principle is the same, so theoretically it should work (I think...).Anyway, it's easy to try. Let us know if it solved the problem.
Prolem is, that the color is pretty much sun and depth-driven cause it was translucent water there.
Thanks tho i will try out that link and apply those techniques.
Quote - *"Prolem is, that the color is pretty much sun and depth-driven cause it was translucent water there."
*I thought so, it was looking too good to be "normal" water. :-)
But what I say can still be applied, it doesn't matter if it's translucent or not. The material has a base color, in the "Color & Alpha" tab, which greatly influences the overall color of the water. This is where I proposed to apply the color map, in the base color. And, of course, the noise node would be applied in the color function, just next to it.
Quote - Output as .hdr then open in Photoshop CS and adjust exposure. Then resample down to 24 bit (8 bits per pixel).
OR
Output as 16-bit TIFF and do the same.
Oh did I forget to mention that it is already interpolated in the renderwindow...?
Normally texture-aa handles this but since this is atmosphere/water gradient related no help there.
I could very well imagine that many monitors can't even display this.
The monitor screen is only capable of displaying 8 bits each for R, G and B values. So even if the image is created in a higher bit depth, it will only display in 24 bits. So, Vue's internal representation is much higher than what you see displayed-- that is why many post effects are better done in Vue.
Photoshop can apply dithering to high bit depth (>24) images to repair any visible banding-- I'm not sure, but it might do this automatically with 16-bit per channel images (TIFF). That is why I suggested opening the image in Photoshop.
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I don't know if you see it, I can since I'm on my '24tft and it's quite nasty, it's happening with skies, underwater colorshifts and so on.
Check this one for example, http://rocky1990.deviantart.com/art/more-water-95394619 horrible lines in onion shape, and yet no chance to get rid of em?