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Thread: render Spherical Map

  1. #1
    Respect The Architect Limbus's Avatar
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    render Spherical Map

    Hi,
    how would I need to setup the advanced camera (or any other camera) to render out a 360° image with spherical mapping (example here: http://www.dosch.de/produkte/hdri/Nature_V1.html)

    Cheers, Florian
    3DGrafikvonBehr
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  2. #2
    NewTek Developer jameswillmott's Avatar
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    I think Advanced camera, Horizontal FOV set to Cylinder, 360°, Vertical FOV set to Cylinder 180° should do it.
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  3. #3
    Respect The Architect Limbus's Avatar
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    Looks good, Thanks.

    Florian
    3DGrafikvonBehr
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  4. #4
    May the sauce be with you starbase1's Avatar
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    I stuck a preset for this on my downloads page too...
    See below!
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  5. #5
    Respect The Architect Limbus's Avatar
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    Quote Originally Posted by starbase1
    I stuck a preset for this on my downloads page too...
    See below!
    Thanks!
    3DGrafikvonBehr
    Sys: 2x Mac Pro, 8x 2.8 Ghz, GeForce 8800 GT, 10 GB RAM, Mac OS X 10.5.5 and Vista Business 64

  6. #6
    Respect The Architect Limbus's Avatar
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    Quote Originally Posted by jameswillmott
    I think Advanced camera, Horizontal FOV set to Cylinder, 360°, Vertical FOV set to Cylinder 180° should do it.
    In my tests the setting should be 360° for both directions. That way it looks allright when used as a background map.

    Florian
    3DGrafikvonBehr
    Sys: 2x Mac Pro, 8x 2.8 Ghz, GeForce 8800 GT, 10 GB RAM, Mac OS X 10.5.5 and Vista Business 64

  7. #7
    Rock'nRoll Set Visualiser Adrian@Stufish's Avatar
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    's a wierd one - LW seems to expect a lightprobe image that's a 360wrap, but the way it maps if you use that from a camera pointing straight up for a backround/luminosity source, then you are only using the 'information' from about the centre quarter of the image (AKA above the horizon - the bulk of the image is underground. so in order to avoid a stupidly big image map that is 75%+ useless, you have to use a 180 map and map that as a planar (Y) mapping onto a halph sphere - this of course inevetably smears the horizon - which is the bit the camera is most likely to be pointing at!
    Anyone worked out a way to use the camera to make a spherical wrap image that looks like a rectangle spraed at the poles & maps the same as all the other LW spherical maps - at least that way only half the image is useless and the horizon has the least shrink&re-spread!
    It's only Rock & Roll, but it pays the wages!

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