[x3d-public] Where has EnvironmentLight node gone?

[John Carlson]

I don’t know if this will help, but this might be ported to
EnvironmentLight in the future.

https://coderextreme.net/X3DJSONLD/src/main/html/sphere.html

Thanks to all specifiers, implementers and Paul Debevec for the images.

John



On Wed, Oct 18, 2023 at 6:05 AM John Carlson <yottzumm at gmail.com> wrote:

> 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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