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100% even lighting

intrinsicanomaly_262dc77de2intrinsicanomaly_262dc77de2 Posts: 132
in The Commons

Is there any way to fully light a scene from all angles so that there are no shadows? I know you're going to say why would you want that it won't look realistic but, I just want to know : )

Comments

  • Sven DullahSven Dullah Posts: 7,621
    intrinsicanomaly_262dc77de2 said:

    Is there any way to fully light a scene from all angles so that there are no shadows? I know you're going to say why would you want that it won't look realistic but, I just want to know : )

    With 3delight it's very easy. With IRay there will always be some shadows.

  • mindsongmindsong Posts: 1,769
    Sven Dullah said:
    intrinsicanomaly_262dc77de2 said:

    Is there any way to fully light a scene from all angles so that there are no shadows? I know you're going to say why would you want that it won't look realistic but, I just want to know : )

    With 3delight it's very easy. With IRay there will always be some shadows.

    that's nice ...

    ...

  • murgatroyd314murgatroyd314 Posts: 1,569

    I haven't had a chance to test this, but I think using an all-white image for the lighting HDRI should do the job.

  • EsemwyEsemwy Posts: 578
    edited October 2019

    An HDR that's all white would do it. I had to upload as a zip as .hdr files are not allowed.

     

    Edit: Uploaded new. The first one was way too bright

    zip
    zip
    White.zip
    422B
    Post edited by Esemwy on
  • EsemwyEsemwy Posts: 578

    For the curious:

    • In Photoshop create a new 32-bit image (1024x512 is plenty big) with a white background.
    • Unlock the background layer by clicking on the lock
    • Image->Adjust->Exposure with a value of 2 for exposure (if you enter too large a number, it will always be too bright).
    • Save As... Radiance (.HDR)
  • Oso3DOso3D Posts: 15,114

    My Oso Toon has an option to do this.

    Essentially it changes surfaces to emit their map rather than use regular coloring, and then adjusts the render to limit light bouncing.

    A pure white hdr will work only for an item not surrounded by any other objects, and self shadowing can still happen.

  • intrinsicanomaly_262dc77de2intrinsicanomaly_262dc77de2 Posts: 132

    So I am rendering a scene which occurs on a crowded subway train, and that is the problem, way too many shadows and I can't render a clear shot

  • SevrinSevrin Posts: 6,314
    intrinsicanomaly_262dc77de2 said:

    So I am rendering a scene which occurs on a crowded subway train, and that is the problem, way too many shadows and I can't render a clear shot

    Stick a small ghost light in the face of whatever you want to highlight.   Having a bunch of people standing close to one another without any shadows being cast would look unnatural.

  • nonesuch00nonesuch00 Posts: 18,863

    Have the subject be daring & get in trouble for lighting a cigarette so the lighter will be held up to their face.

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