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max render to texture & color mapping - please help!

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  • max render to texture & color mapping - please help!

    Hi,

    I'm not sure wether this is the right place to post this but I've got a big problem with vray.

    in short:
    why doesnt vray apply the color mapping (ie dark multiplier, exponential mapping etc.) when using the max texture baker? why cant this work exactly like when rendering a normal image? or am I missing something?

    long explanation:
    we're trying to make a realtime scene using quest3d (currently version 1). So what I've been trying to do for a while is rendering the appropriate lightmaps, but this seems almost impossible due to vray not applying the color mapping. I get the scenes which are supposed to be turned into realtime from the people that do our architectural visualizations, and they render in exponential color space with a dark multiplier at like 3. my assignement is to make a realtime scene which looks almost exactly like the rendered image (I know it wont match 100%, but it needs to be very close nevertheless). what I could do is change to linear space and use the color mapping curve in the vray VFB to get things brightend up, but this will never give me the result I'm after nevermind something similar to the rendered stills.

    Another option would be to save an Irradiance map covering the whole scene (using the provided exponential mapping). but the workflow for this is a hassle (even a joke), since you always end up missing a spot and it takes yonks to get a perfect IRR map from all viewing angles.

    Both of the above methods are extremely time consuming which makes them really unreasonable. we are a high production company and according to my superior I cant be working on a scene like this for more than 3 days. if I use the above methods it seems like it would take at least a whole week...

    what I'm asking for:
    I would love to be able to use the color mapping with the max RTT, and I dont see why this wouldnt be possible... I mean its the same thing as rendering a normal rendering, is it not? I'd love for Vlado or someone with some insights to help me out here as I'm really stuck with this problem.

    thanks for any help!
    cheers,
    y
    "Scottie? What's the status?" "Ion repulsors damaged, warp core unstable and fluctuating" "How long until we're ready for warpspeed?" "In about 4 hours, captain" "Scottie, you've got 2 hours" "I'll do it in 1 captain"

  • #2
    The current official version 1.47.03 has a bug that it will not apply color mapping in RTT mode. However, 3dsmax exposure control will work and you can use the Logarithmic exposure. If this is not what you need, you can email me at vlado@chaosgroup.com and we can arrange an updated build for you.

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

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    • #3
      woooooooooooot! vlado is da man!

      that is what I call "support"!

      thanks so much!
      y

      edit: sent you an email btw :P
      "Scottie? What's the status?" "Ion repulsors damaged, warp core unstable and fluctuating" "How long until we're ready for warpspeed?" "In about 4 hours, captain" "Scottie, you've got 2 hours" "I'll do it in 1 captain"

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