Lighting

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    DreadKnight (Sketchfab Profile)

    This is really nice stuff! :-)

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    zinda (Sketchfab Profile)

    Great job!!

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    cognition (Sketchfab Profile)

    How do you load your own environments though?

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    gunnar (Sketchfab Profile)

    I'm also wondering how to change the environment with my own panoramas. How do you do that? Is it possible?

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    James (Sketchfab Profile)

    @cognition @gunnar - We just released this feature!

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    fredlucazeau (Sketchfab Profile)

    Hi @James

    Could you please update this lighting help page to explain how the environnement is casting shadows ?

    It seams that the shadows are casted from an arbitrary directional light not in relation with the HDRI map content.

    See in the exemple below where there is not directional highligt in the map but still a spot light is generating light and shadows from one direction.

    https://sketchfab.com/models/e39555d3242a4c48a3bb4d3bf98b651b

    Regards

    Fred

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    James (Sketchfab Profile)

    Hi Fred,

    I believe the shadows are cast by a point of the highest brightness in the HDR image. Looking at that model, your environment is more or less uniform, so the highlight/shadow seems arbitrary.

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    James (Sketchfab Profile)

    If you look at other environments in the list, you can see the brightest point is marked in the thumbnail.

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    SkyNav (Sketchfab Profile)

    I am trying to upload a 360 environment, but it's taking forever and still "Processing your environment". How long does this take? I am going on 15 minutes for a 29 mb file, is this normal?

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    James (Sketchfab Profile)

    Hi there,

    Sorry about that! It's a known issue that environment processing is really slow at the moment. We have some improvements planned, but it going to be a while before we can implement them because they will depend on some other infrastructure improvements coming later this year.

    In the meantime, the environments should finish processing eventually, and you'll find them available in the dropdown.

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