[x3d-public] A Layer/Layout yottzumm/coderextreme example scene to talk about

[GPU Group]

"How .. do .. [multiple seeming conflicting technologies in the same
stack]' Great questions.
-Doug

On Tue, Aug 19, 2025 at 9:13 AM John Carlson <yottzumm at gmail.com> wrote:

> I believe that’s a hardware issue unless one is doing software rendering.
>
> Some people want to make browsers for a spatial internet.
>
> How does one do GDI+ and DirectX at the same time?  Direct2D and DXGI?  Is
> that cross-platform?  Maybe we should learn those APIs?
>
> John
>
> ---------- Forwarded message ---------
> From: GPU Group via x3d-public <x3d-public at web3d.org>
> Date: Tue, Aug 19, 2025 at 9:58 AM
> Subject: Re: [x3d-public] A Layer/Layout yottzumm/coderextreme example
> scene to talk about
> To: Extensible 3D (X3D) Graphics public discussion <x3d-public at web3d.org>
> CC: GPU Group <gpugroup at gmail.com>
>
>
> "What .. want to use?"
> Perhaps the most flexible arrangement is if each technology layer can be
> sandwiched / has a top entry and bottom exit in a stack / is stackable /
> has stack interfaces to other technology layers.
> X3D has some ways to enter from HTML or from operating system on the top.
> But no good exits on the bottom, so limits itself to being the bottom of
> the stack. Fix that and X3D becomes a layer that can interleave with other
> technology layers in a deep, recursive stack.
> -Doug
>
> On Tue, Aug 19, 2025 at 8:37 AM John Carlson <yottzumm at gmail.com> wrote:
>
>> Maybe we should go back to the original meaning of desktop and do
>> holograms or projections.  See DynamicLand archive:
>> https://dynamicland.org
>>
>> Anything is possible.  What do people want to use?
>>
>> John
>>
>> On Tue, Aug 19, 2025 at 9:26 AM GPU Group via x3d-public <
>> x3d-public at web3d.org> wrote:
>>
>>> "HTML .." Virtual Desktops > some HMD head mounted display operating
>>> systems feature multiple virtual desktop computer screens floating in 3D
>>> space, each presumably rendering various 2D and 3D content including HTML
>>> pages. So what should be at the top level?
>>> a) 3D
>>> b) desktop
>>> c) html
>>> d) HMD
>>> It seems somewhat circular, with no rightful top level. Even HMD could
>>> be simulated in 3D and shown in a higher level 3D scene in a 3D window in
>>> an html page on a desktop.
>>> -Doug
>>>
>>> On Mon, Aug 18, 2025 at 8:12 PM GPU Group <gpugroup at gmail.com> wrote:
>>>
>>>> "HTML" could/should there be an HTMLLayer node with URL='xx.html'
>>>> derived from Layer?
>>>> How does X_ITE talk to HTML?
>>>> -Doug
>>>>
>>>> On Mon, Aug 18, 2025 at 7:13 PM John Carlson <yottzumm at gmail.com>
>>>> wrote:
>>>>
>>>>> I think that HTML would be preferred for most people, but I’m eyeing
>>>>> TextBox.x3d for possible use on X3DJSONLD 12.   Can I copy/paste in and
>>>>> out?   On the web?  Will we ever see styling of X3D nodes?   Does glTF or
>>>>> OpenUSD do styling?
>>>>>
>>>>> On Mon, Aug 18, 2025 at 2:21 PM GPU Group via x3d-public <
>>>>> x3d-public at web3d.org> wrote:
>>>>>
>>>>>> You're welcome to use anything on in-scene UI / GUI widgets I did
>>>>>> without citing. or credit needed - feel free to scrape and hack:
>>>>>> https://freewrl.sourceforge.io/tests/26_Humanoid_Animation/UI/
>>>>>> - protos, I made unlabeled checkbox, and derived labeled checkbox
>>>>>> proto from that, etc, for a few widget types, but I was hacking to get a
>>>>>> scene running, not trying to make a perfect component.
>>>>>> Q. should there be a web3d Component with standard in-scene GUI
>>>>>> widgets?
>>>>>> benefit: someone just starting with web3d could do more fancy things
>>>>>> sooner / faster / easier.
>>>>>> -Doug
>>>>>>
>>>>>> On Sun, Aug 17, 2025 at 11:56 PM John Carlson <yottzumm at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> I place this example under the Web3D Consortium License, for
>>>>>>> submission to the archives.  I think that Christoph V. and maybe Doug
>>>>>>> Sanden have had their hands on files like these.  They should probably give
>>>>>>> their blessing
>>>>>>>
>>>>>>> The letter with equals, "=",  sliders work in FreeWRL.  I haven't
>>>>>>> gotten this example to slide like other X_ITE samples.  I am using Sunrize
>>>>>>> and FreeWRL.
>>>>>>>
>>>>>>> The main problem with this scene is that the middle shape inside the
>>>>>>> coordinate axes doesn't change shape.  That may be due to
>>>>>>> how generateCoordinates() is called or not called (it may be currently
>>>>>>> commented out).  There might be issues with coordinates or coordIndexes.
>>>>>>>
>>>>>>> FreeWRL drags the number and letter together correctly.  Sunrize
>>>>>>> doesn't drag at all.
>>>>>>>
>>>>>>> Anyway, something for your perusal, and archiving.
>>>>>>>
>>>>>>> There may be an issue with how I am using JavaScript and setting
>>>>>>> Script fields with a variable???
>>>>>>>
>>>>>>> Here's are some of the critical lines that need to work, including
>>>>>>> the last one:
>>>>>>>
>>>>>>> function newTranslation(value) {
>>>>>>>         set_protoValue(value.x * protoScale);
>>>>>>>         set_protoText(new
>>>>>>> MFString(protoParameterName+'='+protoValue.toFixed(2)));
>>>>>>>         protoScript[protoParameterName] = protoValue;
>>>>>>> };
>>>>>>>
>>>>>>> John
>>>>>>> John
>>>>>>>
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