[x3d-public] Where has EnvironmentLight node gone?

[John Carlson]

I’m appreciate your guy’s work on defining a spec and implementing it.  I
know all this takes a long time and hard work.

On Wed, Oct 18, 2023 at 5:57 AM Michalis Kamburelis <
michalis.kambi at gmail.com> wrote:

> Don can answer best, but I believe:
>
> The node was simply removed from final spec version because it wasn't
> ready, i.e. it wasn't precisely specified. And that was (and still is)
> S my fault! I did (and still do!) want to pursue precise specification
> of this node, but I just never finished due to lack of time. Some
> outstanding questions are on
>
> https://github.com/michaliskambi/x3d-tests/wiki/Image-Based-Lighting-(EnvironmentLight-node)
> , section "Some open questions".
>
> Due to this, I advocated to remove this node myself from spec, to not
> confuse people with unfinished / unclear spec that may drastically
> change in the future (though I don't think it will actually
> drastically change, just "better safe than sorry" when it comes to
> standards).
>
> So that being said, the node is not going anywhere. It is still on my
> roadmap to finalize it, both for everyone using X3D, and for my Castle
> Game Engine use-case to have "image-based lighting in a perfect way".
> If you have implemented it in X_ITE -- hooray! Thank you and I will
> gladly test how it works. Just bear it mind the spec of it may change
> significantly in future version (when we resolve these "Some open
> questions")... but I actually don't think it will change, at least the
> node signature given on
>
> https://github.com/michaliskambi/x3d-tests/wiki/Image-Based-Lighting-(EnvironmentLight-node)
> should be good.
>
> Best regards,
> Michalis
>
> śr., 18 paź 2023 o 12:03 Holger Seelig <holger.seelig at yahoo.de>
> napisał(a):
> >
> > I wonder where the EnvironmentLight node has gone. I just implemented
> it, at least diffuseTexture and specularTexture field. It should be
> delivered with the next version of X_ITE.
> >
> >
> https://www.web3d.org/specifications/X3Dv4Draft/ISO-IEC19775-1v4-IS.proof/Part01/components/lighting.html
> >
> > --
> > Holger Seelig
> > Leipzig, Germany
> >
> > holger.seelig at yahoo.de
> > https://create3000.github.io/x_ite/
> >
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