[x3d-public] fieldOfView type?

John Carlson yottzumm at gmail.com
Wed Jul 6 08:55:00 PDT 2022


I would choose MFVec2f over SFVec4f for fieldOfView, from what I’ve seen.
But MFFloat for hyper dimensions seems like the way to go.

John

On Mon, Jul 4, 2022 at 3:27 PM Brutzman, Donald (Don) (CIV) <
brutzman at nps.edu> wrote:

> I was able to enter this issue in Mantis:
>
>
>
>    - Mantis 1398 OrthoViewpoint fieldOfView type needs to be SFVec4f, not
>    MFFloat
>    - https://www.web3d.org/member-only/mantis/view.php?id=1398
>
>
>
> Have applied changes to X3D XML DOCTYPE, Schema, X3DUOM, stylesheets,
> tooltips, X3DJSAIL, X3DPSAIL, and X3D Ontology.
>
>
>
> Note that python syntax for a MFFloat 4-tuple is identical to a SFVec3f
> 4-tuple, e.g. (-1,-1,1,1)
>
>
>
> Dick and I will double-check this during next specification editors
> meeting, but I think all actions are complete.
>
>
>
> Hopefully your tests continue to proceed well, every small issue detected
> and fixed continues to increase model validity and robustness.
>
>
>
> Have fun with steadily improving X3D4 reliability!   8)
>
>
>
> all the best, Don
>
> --
>
> Don Brutzman  Naval Postgraduate School, Code USW/Br
> brutzman at nps.edu
>
> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA
> +1.831.656.2149
>
> X3D graphics, virtual worlds, Navy robotics https://
> faculty.nps.edu/brutzman
>
>
>
> *From:* Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> *Sent:* Sunday, July 3, 2022 9:24 PM
> *To:* John Carlson <yottzumm at gmail.com>
> *Cc:* X3D Graphics public mailing list <x3d-public at web3d.org>;
> holger.seelig at gmail.com; Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> *Subject:* RE: [x3d-public] X3dToJson.xslt, X3dToPython.xslt,
> OrthoViewpoint fieldOfView
>
>
>
> [Changed subject line for readability/searchability – this is about
> OrthoViewpoint fieldOfView]
>
>
>
>    1. Invalid source XML in your .x3d excerpt: simple types should not
>    have commas within them.
>
>
>
>    - OrthoViewpoint fieldOfView='-1.5, -1.5, 1.5, 1.5'
>
>
>
>    1. OrthoViewpoint fieldOfView is defined as MFFloat in specification
>    but ought to be SFVec4f, since it must always have four numbers defining
>    ordered values (minimum_x, minimum_y, maximum_x, maximum_y).
>
>
>
> I am somehow locked out of mantis and so can’t verify what we previously
> said about this (if anything).  Seems like a simple specification erratum.
>
>
> Correlation confirmation: TextureProjectorParallel has fieldOfView
> SFVec4f.  Meanwhile Viewpoint GeoViewpoint and TextureProjector have
> SFFloat.
>
>
>
>    1. I think that the various fieldOfView types are handled in the
>    stylesheet s correctly now, checked in.
>
>
>
> I have also applied a tentative fix to X3D DOCTYPE, Schema, Tooltips and
> X3DUOM, but will wait to deploy any updates (including X3DJSAIL, X3DPSAIL)
> until checking mantis to confirm status.
>
>
>
> Thanks John for reporting this error, very helpful.
>
>
>
> all the best, Don
>
> --
>
> Don Brutzman  Naval Postgraduate School, Code USW/Br
> brutzman at nps.edu
>
> Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA
> +1.831.656.2149
>
> X3D graphics, virtual worlds, Navy robotics https://
> faculty.nps.edu/brutzman
>
>
>
> *From:* x3d-public <x3d-public-bounces at web3d.org> *On Behalf Of *John
> Carlson
> *Sent:* Sunday, July 3, 2022 12:10 AM
> *To:* X3D Graphics public mailing list <x3d-public at web3d.org>;
> holger.seelig at gmail.com
> *Subject:* [x3d-public] X3dToJson.xslt, X3dToPython.xslt,
> create3000/Library Test ParticleSystem possible issues. Though may not pass!
>
>
>
> Don,
>
>
>
> Here are some issues with various X3dTo*.xslt:
>
>
>
> grep fieldOfView VolumeEmitter.py
> VolumeEmitter.py:
>  OrthoViewpoint(description='OrthoViewpoint',fieldOfView=-1.5,-1.5,1.5,1.5),
>
>
>
> $ grep fieldOfView VolumeEmitter*
> VolumeEmitter.json:              "@fieldOfView":-1.5,-1.5,1.5,1.5
> VolumeEmitter.x3d:        fieldOfView='-1.5, -1.5, 1.5, 1.5'/>
>
>
>
> In the JSON, the MFFloat is does not appear to be an array, with [] around
> the numbers.
>
>
>
> In the python, there's no tuple or list markers denoting a tuple or list
>
>
>
> Note in the XML, both the "," and the space is separating the floats in
> the MFFloat.  I haven't seen that the MFBools with ", " as separators is
> working, but perhaps the problem is more general.
>
>
>
> Links to XML below.
>
> ====================================================
>
> Holger,
>
>
>
> I fully realize that these are test samples, and they may not pass, thus
> when I convert x3d  to python and run, these errors may appear (which may
> be totally valid).
>
>
>
> BoundedPhysicsModel.py
> x3d.py package 4.0.64.1 loaded, have fun with X3D Graphics!
> Traceback (most recent call last):
>   File
> "C:\Users\john\X3DJSONLD\src\main\python\net\x3djsonld\Library\Tests\Components\ParticleSystems\BoundedPhysicsModel.py",
> line 82, in <module>
>
> emitter=ConeEmitter(position=(0,-3,0),direction=(1,4,0),angle=0.4,speed=0.2,mass=3200),
>   File "C:\Users\john\X3DJSONLD\venv\lib\site-packages\x3d\x3d.py", line
> 29419, in __init__
>     self.direction = direction
>   File "C:\Users\john\X3DJSONLD\venv\lib\site-packages\x3d\x3d.py", line
> 29450, in direction
>     assertLessThanEquals('direction', direction, 1)
>   File "C:\Users\john\X3DJSONLD\venv\lib\site-packages\x3d\x3d.py", line
> 1847, in assertLessThanEquals
>     assert isLessThanEquals(value, maximum), fieldName + '=' + str(value)
> + ' fails assertLessThanEquals maximum=' + str(maximum)
> AssertionError: direction=(1, 4, 0) fails assertLessThanEquals maximum=1
>
>
>
>
>
>
>
> PointEmitter.py
> x3d.py package 4.0.64.1 loaded, have fun with X3D Graphics!
> Traceback (most recent call last):
>   File
> "C:\Users\john\X3DJSONLD\src\main\python\net\x3djsonld\Library\Tests\Components\ParticleSystems\PointEmitter.py",
> line 92, in <module>
>     WindPhysicsModel(speed=0.8,gustiness=0.8,turbulence=2),
>   File "C:\Users\john\X3DJSONLD\venv\lib\site-packages\x3d\x3d.py", line
> 99589, in __init__
>     self.turbulence = turbulence
>   File "C:\Users\john\X3DJSONLD\venv\lib\site-packages\x3d\x3d.py", line
> 99643, in turbulence
>     assertZeroToOne('turbulence', turbulence)
>   File "C:\Users\john\X3DJSONLD\venv\lib\site-packages\x3d\x3d.py", line
> 1818, in assertZeroToOne
>     assert isZeroToOne(value), str(fieldName) + '=' + str(value) + ' fails
> assertZeroToOne requirements: value(s) must be in range [0..1]'
> AssertionError: turbulence=2 fails assertZeroToOne requirements: value(s)
> must be in range [0..1]
>
>
>
>
>
> SurfaceEmitter.py
> x3d.py package 4.0.64.1 loaded, have fun with X3D Graphics!
> Traceback (most recent call last):
>   File
> "C:\Users\john\X3DJSONLD\src\main\python\net\x3djsonld\Library\Tests\Components\ParticleSystems\SurfaceEmitter.py",
> line 50, in <module>
>     MetadataSet(DEF='children',name='children',reference='
> http://titania.create3000.de
> <https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftitania.create3000.de%2F&data=05%7C01%7Cbrutzman%40nps.edu%7C21c0ec8ed9424e5b9d1808da5cc31d7f%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637924290510977644%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=%2F4uxzeZzuYzvUqHz8AJaKk0zHgBuEfyrAyNzWK5XrYs%3D&reserved=0>
> ',
> TypeError: MetadataSet.__init__() got an unexpected keyword argument
> 'appearance'
>
>
>
> Original XML here:  Library/Tests/Components/ParticleSystems at main ·
> create3000/Library (github.com)
> <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fcreate3000%2FLibrary%2Ftree%2Fmain%2FTests%2FComponents%2FParticleSystems&data=05%7C01%7Cbrutzman%40nps.edu%7C21c0ec8ed9424e5b9d1808da5cc31d7f%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637924290510977644%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=AXA6SvrhXPQysoFmBpTi8vsUFZPbJC9gW60AGXCyfW8%3D&reserved=0>
>
>
>
> Attached generated python code.
>
>
>
>
>
>
>
>
>
>
>
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