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view Image Sampling (Antialiasing) in render?

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  • view Image Sampling (Antialiasing) in render?

    In every render I've ever used I noticed you can view the image sampling in the viewport. It's usually a black and white image, white meaning it is sampling maximum, and black meaning the minimum. Sometimes it's dots places on top of the image showing where the maximum was places, sometimes color coded based on the level of subdivisions.

    I don't care how it shows it, but I would like to see it. Is that possible in Vray? I can't seem to find anything on it. I can see GI samples, but don't see image samples.

    This is useful for figuring out the best numbers to use. I have a hard time figuring out how the QMC is going to react, but sometimes it's faster. I'd like to test out different options in different types of files so I have a better idea of what will happen. Showing actual samples helps. This also helps if for some reason something really smooth and pretty much one color is getting sampled at the maximum value. That shouldn't happen, so you need to try and fix it.

    That problem right there slows down a few renders here and there dramatically.

    So where is the option that I'm not seeing?

  • #2
    Enable the Vray framebuffer, then under the 'Gbuffer' rollout make sure "Coverage" is highlighted.

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    • #3
      I am a bit confused as what that is actually showing.

      It's not showing all of the samples, but rather only the outline of the objects. Is there some different settings for it or something?

      I want to see if something like a noise map is getting oversampled when I don't want it to.

      It would be great if you could control, per object/material, how much something is going to get alaised. Especially for dense textures.

      I have to do alot of washing machines and the holes inside are sometimes quite difficult to not have pop in and out of the frame without making the samling rediculously high.

      I'm just trying to figure out how to troubleshoot that better. With Final render and mental ray I check out what is sampling where and try to make adjustments until the sampling looks optimized.

      Is there a good way of doing that in vray?

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      • #4
        not that i know of in 1.47.03...

        Lele

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        • #5
          This can be done, of course, and it is actually implemented in the code, but there is no option to turn this on from within 3dsmax. I'll add it to the wishlist though.

          Best regards,
          Vlado
          I only act like I know everything, Rogers.

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