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HDR in IRay I and no background: how to? help please

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  • mjc1016mjc1016 Posts: 15,001
    edited July 2015

    If you have the physical dome from the UberEnvironment load...delete it.  It is acting as a large umbrella, blocking the light from the Iray 'dome'.  The Iray dome is a non-physical 'world' surrounding the seen, by plugging an HDR into the Iray dome, you are in effect, setting that 'world' to be what is in that image.

    Otherwise you'll need to convert the Uber dome to an emitter and  plug in the maps to the various channels...

    Post edited by mjc1016 on
  • TaozTaoz Posts: 10,232
    edited July 2015

    There is a screenshot of the file list in the last attachment, there appear to be only 1 hdr. I've already tried that for the Environment Map (attachment 07), that made no difference. The Environment Intensity setting also has no effect at all here. 

    The scene presets are in .daz format, don't know if that matters.

    Since the SkydomeMesh is the only node left apart from the Default Camera I'd suspect it might be one of its Surface settings, but I'm not sure which one. I've attached a sceenshot of all settings. Like I said, Diffuse color and Ambient Color uses the jpg map.

    UR_HDR_IRay-09.jpg
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    Post edited by Taoz on
  • mjc1016mjc1016 Posts: 15,001

    Unless you turn the SkyDome mesh, which comes from the UberEnvironment (3Delight) into an emitter or DELETE it, the Iray settings will have no effect.  It is blocking the Iray 'dome'.

  • TaozTaoz Posts: 10,232
    mjc1016 said:

    Unless you turn the SkyDome mesh, which comes from the UberEnvironment (3Delight) into an emitter or DELETE it, the Iray settings will have no effect.  It is blocking the Iray 'dome'.

    OK, didn't see your first post before now, had the editor open working on my own post when you posted.

    I've tried to delete the SkydomeMesh and map the hdr to the IRay dome but that looks odd (shot 10). It looks better using the jpg instead (shot 11). Draw Dome is ON (empty render if OFF).

    UR_HDR_IRay-10.jpg
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    UR_HDR_IRay-11.jpg
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  • mjc1016mjc1016 Posts: 15,001

    The HDR is a blurred, lighting only HDR, so you will need to put the HDR in for lighting...a jpg just doesn't have the information needed to make 'good' light.  And for the 'backrop' I think you need to put the jpg into the Environment..I've been using high enough resolution/not blurred HDRs that can be used for both lighting AND backplate work...so I'm not 100% sure where to put the jpg.

  • TaozTaoz Posts: 10,232

    OK, last samples were without UberEnvironment (deleted), tried now to map hdr to UberEnvironment and jpg to IRay dome. Looks like shot 11 in last post. Renders very fast, about 1 minute. Environment Intensity setting works now. Should that be it?

  • mjc1016mjc1016 Posts: 15,001

    See how it renders...but probably.

  • TaozTaoz Posts: 10,232
    edited July 2015

    A quick one -  the environment looks a bit washed out, but maybe there are ways to improve it. 

    Thanks!

    UR_HDR_IRay-12.jpg
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    Post edited by Taoz on
  • FishtalesFishtales Posts: 6,208

    I'm glad you finally got it sorted.

  • TaozTaoz Posts: 10,232
    Fishtales said:

    I'm glad you finally got it sorted.

    Thanks, and thanks for your suggestions, I learned some useful things from the experiments...  smiley 

  • FishtalesFishtales Posts: 6,208

    We both did. I was flying by my socks and just suggesting things that I would try until I got it right. Then someone comes along who knows what they are doing and fixes it in two clicks laugh

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