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[Irradiance map???] What resolution????

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  • #1

    [Irradiance map???] What resolution????

    Hi, I'd like to know if there are anybody who can explain how to increase the rendering speed.
    So, after that I prepare the scene, I let calculate the Irradiance map:
    Irradiance map parameters: HIGH
    Hsph sub: 50
    Interp. samples: 20

    Secondary bounces:
    Direct computation
    Subdivis:10
    Depht:1

    I check the autosave and render.
    Finally I hava a irradiance map of 30 mb...but when I start the real redering my pc realize it in the same time of irradiance map+ rendering time.
    I cannot see any incrase...
    Do I need to use a global photon map as secondary bounces???
    What can I do???
    The final image is abuot 1800*1200.
    Please post me a guide step by step to set the parameter of save map...
    Thanks.
    P.S. Sory, sorry, sorry, sprry for my terrible english...
    Tags: None
  • #2
    maybe stupid, but I miss:
    "load from file"
    after you've saved it, in the steps you descripe?

    /B

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    • #3
      I check it...

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      • #4
        Tonight I set the resolution to 1700*1200 and then I calculated the Irradiance and the global photon map. I saved them.
        So I check "From File" on Advanced Irraidance and select the map
        I check also "From File" on Global Photon map.
        But when I start the rendering I see also the prepass.
        Why???
        If I use Cornell Box file, on a rsolution of 500*500, I cannot see any prepass after I've calculated the irradiance and photon map???
        Do i set a wrong resolution???

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        • #5
          maybe you are using interpolated glossies ?! Check it out, they produce prepasses even with precalculated irr.maps
          ____________________
          www.formfest.de

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          • #6
            Where can I found this option???

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            • #7
              Originally posted by panda80
              Where can I found this option???
              it's under your material that has relfections glossies......under the refelc tions color swathc and glossiness spinner....
              it's a tick box.......make sure it's unched and set your sudvs. to about 8 or 10....maybe higher if the reflections look grainy...



              paul.

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              • #8
                Great!!!
                But What kind of glass may I use???
                I don't want to see any prepass after I've calculated the irradiance and global map.
                May I use a phong mat with 20 of trasparency and a VrayMap for reflection on 40???

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                • #9
                  What kind of resolution do I set for a irradiance map if the final image is 1800*1200???
                  I don't want to see any prepass...
                  I change all Interplated glossy mat...
                  I've only 2 standard material with VrayMap as Reflection...

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