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    Sticky: Iray for Maya 2.2

    Dear all,

    this is the final release of Iray for Maya 2.2. This version is the first Iray for Maya supporting Maya 2019. The plugin is available for download here:

    Windows
    Iray for Maya 2.2 -...
  2. The gammaCorrect node is a Maya internal node....

    The gammaCorrect node is a Maya internal node. You'll find it in Hypershade -> Maya -> Utilities.
  3. Hi blad00x, the graph should be: file ->...

    Hi blad00x,

    the graph should be:

    file -> gammaCorrect -> ifmNormalMapping -> Normal attribute of material

    If you add the file node to the ifmNormalMapping using the map button, the...
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    Hi! Have a look at the release candidate!...

    Hi!

    Have a look at the release candidate! Feedback is welcome!

    Best regards
    -Thomas
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    Sticky: Iray for Maya 2.2 ReleaseCandidate

    Dear all,

    finally we reached Release Candidate state of Iray for Maya 2.2. This version is the first Iray for Maya supporting Maya 2019. The plugin is available for download here:

    Windows
    Iray...
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    Hi Jacob, this is the Iray for Maya forum....

    Hi Jacob,

    this is the Iray for Maya forum. Since you are working with 3ds Max, please post your question in the Iray for 3ds Max forum:...
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    No, actually I don't have this discrepancy.

    No, actually I don't have this discrepancy.
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    Hi Simon, that is indeed strange. Can you send...

    Hi Simon,

    that is indeed strange. Can you send us logs of both renderings (IPR and Batch). Please check the Log Prefix "Time" in the Logging Manager.

    Best
    -Thomas
  9. https://www.nvidia.com/en-us/design-visualization/...

    https://www.nvidia.com/en-us/design-visualization/technologies/material-definition-language/

    Go down to "Seamless Material Exchange".
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    Sticky: Hardware Recommendation

    This one is well known by a lot of Maya users, but I still write this recommendation in a lot of support emails.

    We recommend a dual graphic card configuration for Iray for Maya workstation. The...
  11. The MDL materials and functions included in Iray...

    The MDL materials and functions included in Iray for Maya are available as ifm.mdl via NVIDIA's MDL Exchange Package. While there are some parts Iray for Maya specific, ifm.mdl can be used by other...
  12. Hi Thorsten, I don't know how Iray for 3dsmax...

    Hi Thorsten,

    I don't know how Iray for 3dsmax handles MDL imports ...

    But ifmHairPolygon.mdl relies on the mdls inside Iray for Maya. This means you need ifm.mdl, which is part of NVIDIA's MDL...
  13. Thread: hair

    by Thomas
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    Have a look at Iray for Maya - Tips and Tricks. I...

    Have a look at Iray for Maya - Tips and Tricks. I added a simple mdl hair material.
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    Sticky: Hair Rendering

    Setting up a hair material graph just using the MDL material nodes of Iray for Maya takes a lot of time.

    This mdl file contains a simple material for hair modeled with polygons.

    Feedback is...
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    To finish this thread. This issue will be...

    To finish this thread.

    This issue will be resolved with the next release (greater than 2.1).

    -Thomas
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    Hi JC, it is really an issue with the OpenEXR...

    Hi JC,

    it is really an issue with the OpenEXR library. Due to my tests there seems to be a limit of 24,574 x 12,287 pixels.

    I am sorry
    -Thomas
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    As you know there are three locations where mdl...

    As you know there are three locations where mdl files are looked for: SYSTEM (for all users on a workstation), USER (only for this user), PLUGIN (in the plugin folder - if the plugin is installed on...
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    Okay, you are talking about final rendering using...

    Okay, you are talking about final rendering using command line rendering, i.e. the Render/Render.exe command of Maya.

    If you render animations, don't render single frames and have a look into the...
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    Hi JC, I think this is an issue with the OpenEXR...

    Hi JC, I think this is an issue with the OpenEXR library itself. Can you share your HDR sphere for checking it?
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    No, caching translation results has to be done by...

    No, caching translation results has to be done by Iray for Maya itself. There is no way, that a user can script (MEL, Pymel, Python) it.

    By the way, caching only accelerates a rendering restart,...
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    That would be great, but there is no simple way...

    That would be great, but there is no simple way to accelerate translation.

    The best option would be to do the translation multi-threaded, but DG accesses are not thread-safe.

    Another option...
  22. Hi Thomas, Iray for Maya 2.1 requires Iray...

    Hi Thomas,

    Iray for Maya 2.1 requires Iray 2018.0.1, i.e. 302800.3495. Meaning that you need an Iray Server version which supports this Iray version.
    Unfortunately - as far as I know - a...
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    I am sorry. Iray/MDL does not allow for occlusion...

    I am sorry. Iray/MDL does not allow for occlusion values in material networks.

    While it would be great to have this possibility, it somehow contradicts the material model of Iray as defined with...
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    (Just for those who are not aware of it. Iray...

    (Just for those who are not aware of it. Iray Interactive can render an ambient occlusion canvas.)

    Iray can't compute an occlusion value which is used as input in one pass. The only solution is to...
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    Sticky: Motion Vectors with Bifrost

    Motion vectors of bifrost do not work, if Motion Vector Color Set is set to the default value "bifrostVelocity".
    It has to be "bifrost_velocity".
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