[x3d-public] Spec problem with 3D texture axes: wrong-handed coordinate system

[vmarchetti at kshell.com]

Upon evaluation, this figure attached to the Aug 27 email is inconsistent with the specification text Section 33.2.3
A corrected figure is forthcoming.

Vince Marchetti


> On Aug 27, 2021, at 3:54 PM, vmarchetti at kshell.com wrote:
> 
> Please evaluate whether attached figure meets needs of X3DV4 specification document
> 
> SVG (via Inkscape) format available upon request
> 
> Vince Marchetti
> 
> 
> <x3dV4_Fig33_1.png>
> 
>> On Aug 27, 2021, at 1:47 PM, Brutzman, Donald (Don) (CIV) <brutzman at nps.edu <mailto:brutzman at nps.edu>> wrote:
>> 
>> As noted in Mantis 978, https://www.web3d.org/member-only/mantis/view.php?id=978 <https://www.web3d.org/member-only/mantis/view.php?id=978>
>> The following figure shows a left-handed coordinate system.
>>  
>> https://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/texture3D.html#f-3DTexture <https://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/texture3D.html#f-3DTexture>
>>  
>> <54CB4E59BAA24518B7648236A2468E3C.png>
>>  
>> Wondering how to fix – swap 2 axes can work.  Perhaps there is a commonly used diagram in OpenGL (or elsewhere) we might adopt and adapt?
>>  
>> Any volunteers to do this (pretty please) to improve X3D4 specification?
>>  
>> all the best, Don
>> -- 
>> Don Brutzman  Naval Postgraduate School, Code USW/Br       brutzman at nps.edu <mailto:brutzman at nps.edu>
>> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149
>> X3D graphics, virtual worlds, navy robotics http://faculty.nps.edu/brutzman <http://faculty.nps.edu/brutzman>
>>  
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