[x3d-public] Gradients in X3D graphics

[John Carlson]

Looks like it’s becoming popular!


https://cseweb.ucsd.edu/~goguen/courses/271sp02/pba.html


John

On Wed, Jan 1, 2025 at 3:58 PM John Carlson <yottzumm at gmail.com> wrote:

> Happy New Year!
>
> I am wondering about gradients in 3D graphics.  I realize CSS and SVG have
> gradients.  I am looking for areas to apply “gradient logic” to solids and
> liquids, a bit like constructive solid geometry (CSG), but with gradient
> solids. I am thinking of looking into three.js for this, since it already
> has CSG.
>
> But beyond that, I am looking for ways to model “gradient interfaces” in
> X3D, either through gradient lighting, gradient materials, gradient
> filters, gradient volume rendering (with logic expressions), etc.
>
> The capstone of this is the idea of gradient time, probably not unlike
> slowly becoming aware of reality, or perhaps shifting or precipitating into
> a new time period, not time jumping as what is popularized through time
> travel sci-fi.
>
> Immediate application areas seem like chemical engineering, food
> preparation, and meteorology.
>
> I’ve not really dealt with gradients much except in math, so your patience
> is welcome.
>
> I realize this may be extremely difficult to do in X3D with its discrete
> time, but perhaps a simulation could be done.
>
> John
>
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