[X3D-Public] Need a multitexture example (that works)

Nicholas Polys npolys at vt.edu
Sun Mar 17 08:20:45 PDT 2013

Hi all~

This is an interesting thread and I hope we can take the conversation
to the next level!

Web3D Consortium Members are welcome and encouraged to advocate for
features and propose solutions such as this. The Specification comment
form at web3d.org provides a venue where specific technical comments
and suggestions can be made; these are all reviewed by the X3D WG. The
X3D at web3d.org list is where asynchronous communication can develop and
finally, the weekly telecon meetings (Wed 8 am Pacific) for real time
dialogue. Currently the 1st meeting of every month is dedicated these
exact discussions on X3D futures and Web3D C spec strategy.

I hope we can find common ground in these various extensions and
continue to extend and improve X3D support and the ISO
specification... thanks for your participation - glad to have you 'in'
! :-)

with best regards,


On Sat, Mar 16, 2013 at 1:14 PM, Dave A <dave at realmofconcepts.com> wrote:
> This is about what I gathered too. Flux Studio managed to output (and Flux
> worked with) a decent dot3 stack, but clearly not standard either.
> And X3DOM has gone a different direction.
> This is why X3D is broken. I applaud the *effort* to modernize VRML. In such
> cases it has failed. Even for INTERCHANGE let alone any runtime profile.
> Time to get in, or get out guys.
> Dave A
> On 3/16/2013 9:45 AM, Michalis Kamburelis wrote:
>> Dave A wrote:
>>> Does anyone have an X3D (xml) example that works? That is, works in any
>>> browser, preferably every browser?
>>> Looking for just a bump map. Doesn't have to have a shader. Something
>>> simple.
>>> Thanks
>> Since nobody else answered, I think that my answer from the older thread
>> "Need good multitexture example" still holds:
>> You cannot really make a simple bump mapping with a light source with a
>> spec-compliant X3D. Not without writing a non-trivial shader in
>> GLSL/Cg/HLSL. The standard X3D gives you only multi-texturing DOTPRODUCT3
>> mode, which is barely a start for the (simplest) bump mapping type. And, as
>> the multi-texturing part of the X3D spec has a lot of issues in my opinion
>> (I reported them many times without any effect so far), I suspect that even
>> DOTPRODUCT3 will not work uniformly on all browsers.
>> There are view3dscene and InstantReality extensions to make bump mapping
>> easily working, but these are not standard.
>> See
>> http://web3d.org/pipermail/x3d-public_web3d.org/2013-February/002287.html
>> and
>> http://web3d.org/pipermail/x3d-public_web3d.org/2013-February/002292.html
>> .
>> Michalis
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Nicholas F. Polys, Ph.D.

Director of Visual Computing
Virginia Tech Research Computing

Affiliate Professor
Virginia Tech Department of Computer Science

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