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v3.4 image sampler no longer shows adaptive type only bucket

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  • v3.4 image sampler no longer shows adaptive type only bucket

    I'm sure that this is documented somewhere, but I can't seem to find it. In version 3.4 under Image Sampler (Antialiasing): Type, I only see Bucket and Progressive. In v3.3 instead of Bucket my options are Fixed, Adaptive, and Adaptive Subdivision. I assume that Bucket took the place of all of these 3. Although I usually used Adaptive Subdivision, my dim memory tells me that there were times when I needed to use the other 2. And the adaptive subdivision setting options are different from the bucket image sample settings. How exactly do I mimic that earlier 3 choices, in particular adaptive subdivision (which I got used to knowing what values for min rate, max rate and color threshold to change to which I know longer have), or does it not matter any longer owing to improved software? thanx.

  • #2
    Take a look at this thread:
    http://forums.chaosgroup.com/showthr...ghlight=bucket

    I believe if you tick off the max subdivs you'll get the fixed one.
    German guy, sorry for my English.

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    • #3
      Thanx for the lead. But nothing in that thread really explains why the changes and even the workaround seems a little incomplete. But I'm glad it's not just me Can we get Vlado to comment? It seems like a major difference to go undocumented.

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      • #4
        Can you explain what seems incomplete in the workaround?
        The maxscript command enables the Adaptive Subdivisions Image Sampler and it will work the same way as in previous versions.
        The reason for that change is simplification, from all image samplers only two are actually used in everyday work, those are Progressive and Adaptive DMC.
        In the latest version Fix and Adaptive DMC samplers are combined and their new name is Bucket Sampler and the Adaptive Subdivisions is removed from the UI completely, it is still possible to activate and use it via maxscript command discussed on the other thread.
        Svetlozar Draganov | Senior Manager 3D Support | contact us
        Chaos & Enscape & Cylindo are now one!

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        • #5
          Originally posted by dennisqdw View Post
          Thanx for the lead. But nothing in that thread really explains why the changes and even the workaround seems a little incomplete. But I'm glad it's not just me Can we get Vlado to comment? It seems like a major difference to go undocumented.
          Just to make it simpler. There was fixed, dmc and subdiv. Subdiv isn't really used by many people except for some specific technical passes and it's slower than dmc as a general image sampler. Fixed is the same as using dmc with the same number in both the min and max slot so that's kind of redundant too and the only other sampler left was progressive. Dmc doesn't mean much to most people as a word so it's an attempt to simplify things, bucket versus progressive seemed like good names for both

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          • #6
            Ok, I've now had time to get back into this. Years and years ago I figured out that adaptive subdivision was ideal for the kind of work I was doing then; I really learned how to tweak it in use, and I've used it ever since (except for the rare times I have thin lines or hair). After some research I now see that Adaptive DMC (Bucket) may be more appropriate in many situations. I will have to pay more attention to the details of each job. However, I still see myself using adaptive subdivision, and as anthonyh says in the other thread, why make us have to click on another button on our already crowded interface every time we want to use it? I get wanting to make the vray interface easier for people (it can be daunting I know), but I vote for adding this option at least in Expert mode. Although I may be in the minority. Oh yeah, and also every year when I get the new version of Max I'll have to add this button too.
            thanx --ds
            Last edited by dennisqdw; 29-07-2016, 01:56 PM.

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            • #7
              Some artists on my team are having a crisis of sorts with this because we have some special volumetric passes of stuff and we have found a sweet spot at Subdiv Sampling min max -1, 0.
              How would I get those numbers back now? Who's writing the "Classic VRay subdiv sampling" script?

              They're talkin about pitchforks, riots, and downgrading!

              -John


              EDIT:
              Here is what I was after:

              renderers.current.imageSampler_type=2

              from Morne on this thread:
              http://forums.chaosgroup.com/showthr...ghlight=bucket

              WOOP WOOP!
              Last edited by jdrouse; 04-08-2016, 07:02 PM. Reason: found solution
              John Rouse - Lead VFX Guy
              http://www.johnrouse.net
              Los Angeles, California

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