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viscorbel-vray-hdri-lighting-tutorial

Discussion in '3DsMax Tutor' started by B-Ray, Nov 12, 2012.

  1. B-Ray

    B-Ray New Member
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    Hi guys

    Viscorbel-V-ray-Hdri-Lighting-Tutorial

    [​IMG]

    Free HDRI
     
  2. Vertune

    Vertune New Member
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    In this tutorial, it shows how to work with simple Hdri. When using HDRI from Peter Guthrie, the first method is sufficient.
     
  3. Vertune

    Vertune New Member
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    Because Peter Guthrie HDRI already considers the intensity of the sun and shadows
     
  4. davidchou

    davidchou Member
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    so where is the tutorial? where is the link?
     
  5. onurbykylmz

    onurbykylmz Member
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    1234567890111213141516171819202121222333232
     
    #5 onurbykylmz, Nov 12, 2012
    Last edited by a moderator: Jun 3, 2014
  6. pengo71

    pengo71 New Member
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    The first method bye menthioned guthrie needed the vraysun light with the domelight linked to get the right positioned sun moving with the domelight hdr or exr map rotation. But Is better to use in my opinion the gamma value in vrayhdri map options lowering its value from 1 (standard/defualt value) to something like 0,45 trying and observing the results for the values used. What will be possible to get is a sharps shadows from the sun in the hdr/exr map used in the vrayhdr map.
    This one I described is more BBB3Viz method (Bernard Benoit)
     
    #6 pengo71, Nov 12, 2012
    Last edited by a moderator: Nov 12, 2012
  7. snakema

    snakema Group Buy HEAD
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  8. davidchou

    davidchou Member
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    thanks man, good job, hope someone can download that and upload .
     
  9. Vertune

    Vertune New Member
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    to make sure that my words, look

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  10. klaus

    klaus Member
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  11. pengo71

    pengo71 New Member
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    Yes exactly that one by Bernard Benoit u mentioned (
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    ) is the most simple method to get right lighting by the hdrmap's sun using domelight only. If the visible map by domelight with its gamma value is not correct for the environment, is better to use the same vrayhdr map used to light the scene in the environment slot with better hdrgamma value.To avoid the hdr in the environment cast light is needed to activate the Vray environment slot too but using its value to 0 so it override the environment map lighting casting 0 light intensity. So the light will be given only by the domelight (using invisible option) map and the environment map will be only the background image with its right gamma. Sorry for my bad english
     
  12. Vertune

    Vertune New Member
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  13. pengo71

    pengo71 New Member
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    I have no time to do comparison with my video, the thing that make me prefer one method to another is the fact that one i mentioned doesn't need the vraysun linked to the domelight and the light given by this one with the vrayhdr gamma lowered, is more how to say coherent with the hdr used, instead of add another light source like vray sun in conjunction to the vraydomelight with its map with default gamma (1.0). Anyway u can say the linked sun method in the viscorbel tutorial o guthrie blog tutorial in this blog is possible to find even the method i suggest as Bernard Benoit use.
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    Bernard Benoit used method
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    Peter Guthrie first suggested method with sun vraysun linked to domelightmap rotation
     
  14. mettlo

    mettlo Member
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    In the following link you can download the file and video project

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    Enjoy (y)
     
  15. Olle

    Olle New Member
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    I wonder why this Viscorbel guy are working non-linear? Exponential colormapping, clamp (why not clamp one more time?:) ), baked gamma 2.2, sub-pixel mapping, targa and what not... ohh my gosh! It´s not 1999 anymore...

    Indeed he is getting nice results, but why not squeeze the best out of the renderer when it´s only a few clicks away?