[x3d-public] X3D minutes 5 June 2020: Web3D 2020 papers deadline, mantis issues, refining some field names

[John Carlson]

Here’s the best looking version of what I like to do:

https://playcanv.as/p/wQgQBgkE/

Ideally, I could send a math equation in MathML by putting MathML into the
geometry node, and PBR or material like glass or diamond


On Sun, Jun 7, 2020 at 1:22 AM John Carlson <yottzumm at gmail.com> wrote:

> Previous subject:  morphing comparison in X3D and glTF:
>
>
> http://web3d.org/pipermail/x3d-public_web3d.org/2017-December/008037.html
>
> I would say morphing is doable in X3DOM, but perhaps not other browsers.
> The most conformant approach would probably be an IFS where the position
> and normal are computed in a shader and the mesh is computed in user code,
> or provided statically.
>
> My question becomes,  Why can’t we provide at least provide for common
> topologies?  1 surface and 0 edges (sphere), 2 surface (cone), 3 surface
> (cylinder), 1 surface and one hole(torus), and consider a higher number of
> holes and surfaces.   I think we have a isocahedron at least...but very
> slow to open.
>
> It seems like I should be using blender to create X3D.
>
> John
>
> On Sun, Jun 7, 2020 at 12:33 AM John Carlson <yottzumm at gmail.com> wrote:
>
>> What people don’t understand is I’m moving every vertex in the mesh with
>> respect to the mesh.   Kind of like particle physics or morphing would be a
>> better description.   I have example videos.
>>
>> John
>>
>> On Sat, Jun 6, 2020 at 11:01 PM J. Scheurich <mufti11 at web.de> wrote:
>>
>>>
>>> > 1.  User provides a mesh. I have done this before.  It is too slow for
>>> > a 100x100 IFS (20000 polygons I think).
>>> It depend on your graphics card and driver.
>>> For the rasberry PI and some other systems i meshured the performace in
>>> 3000 Polygon-Steps
>>> (1 NURBS-Object with uv/Tessellation 0)
>>>
>>> https://wdune.ourproject.org/docs/usage_docs/white_dune_rasberry_pi.odp
>>>
>>> (in german but page 5 is a readable table).
>>> A raspberry PI (shared Memory graphics card) can do 30000 polygons, a
>>> Intel HD 3000 shared
>>> memory graphics card (this is a common card on older "office"-laptops)
>>> can do 33000 polygons.
>>> There are very much faster graphic cards on "game laptops"....
>>> The fastest graphics card on this list is a very slow (processor)
>>> Mac-book....
>>>
>>> The only systems that are not able to do 20000 polygons are a 8 year old
>>> netbook and a
>>> ARM chromebook without a 3D driver.
>>>
>>> so long
>>> MUFTI
>>>
>>> _______________________________________________
>>> x3d-public mailing list
>>> x3d-public at web3d.org
>>> http://web3d.org/mailman/listinfo/x3d-public_web3d.org
>>>
>>
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