[External] : Re: [Feature Proposal]: TriangleMesh - Vertex Color Support

[Andy Goryachev]

Here is a good example -

https://www.panotools.org/dersch/gamma/gamma.html

-andy


From: Knee Snap <kneester77 at gmail.com>
Date: Wednesday, September 4, 2024 at 12:24
To: Andy Goryachev <andy.goryachev at oracle.com>
Cc: openjfx-dev at openjdk.org <openjfx-dev at openjdk.org>
Subject: [External] : Re: [Feature Proposal]: TriangleMesh - Vertex Color Support
I don't know what gamma refers to in the context of vertex colors, sorry.

It's not using the gamma color space if that's the question (but neither is the rest of JavaFX 3D).

If gamma is meant as opacity, then setting the alpha color value will control opacity.




On Wed, Sep 4, 2024, 7:44 AM Andy Goryachev <andy.goryachev at oracle.com<mailto:andy.goryachev at oracle.com>> wrote:
I am not a 3D expert; one question: how is the gamma value set for color interpolation?

Thanks!
-andy

From: openjfx-dev <openjfx-dev-retn at openjdk.org<mailto:openjfx-dev-retn at openjdk.org>> on behalf of Knee Snap <kneester77 at gmail.com<mailto:kneester77 at gmail.com>>
Date: Tuesday, September 3, 2024 at 23:53
To: openjfx-dev at openjdk.org<mailto:openjfx-dev at openjdk.org> <openjfx-dev at openjdk.org<mailto:openjfx-dev at openjdk.org>>
Subject: [Feature Proposal]: TriangleMesh - Vertex Color Support
Hello all,

This is a continuation of a previous email thread: "[Feature Proposal] Vertex Colors on TriangleMesh".
I'm creating a new email thread because after discussion I've put together a feature proposal, and it serves largely as a summary of the previous email thread. (Better organized as a feature proposal)

Feature Proposal: https://github.com/Kneesnap/misc-public/blob/main/documents/javafx/feature-proposals/vertex-colors/proposal.md<https://urldefense.com/v3/__https:/github.com/Kneesnap/misc-public/blob/main/documents/javafx/feature-proposals/vertex-colors/proposal.md__;!!ACWV5N9M2RV99hQ!NdkJ9fSxFoeXCq6jCaYi5kCy2AQKgN0bqX5TvGoacJDqtLBwB2s_9pXshOJw88YKcqfB63dnYS_5axHwJ8GO3VNm$>
I had previously discussed a draft PR, but considering how simple the proposed public API additions are to discuss, I don't think it's actually that helpful.

What's next?
I'm currently happy with the design and seeing as it's been discussed already, I could probably ask Kevin for a review. But, I'd like to give another opportunity for design discussion before doing so, just in-case there are any further considerations brought up.
So, I open up the floor again. Does anyone have any thoughts on this proposal? Concerns? Questions? Suggestions? Constructive criticism? I eagerly await the feedback.

After API discussion concludes, I plan to pass it off to Kevin for review/approval, and if it is approved, the subsequent CSR creation.

Thanks!


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