[x3d-public] Wrong values in PointProperties of example

[Brutzman, Donald (Don) (CIV)]

Thanks for noting this issue Holger.  The discrepancy is not immediately noticeable in the source, since X3D canonical form omits default values.

I've copied Vince Marchetti who is original author of the model in question.


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 Holger Seelig via x3d-public <x3d-public at web3d.org>
Sent: Monday, September 2, 2024 10:18 AM
To: X3D <x3d-public at web3d.org>
Cc: Holger Seelig <holger.seelig at yahoo.de>
Subject: [x3d-public] Wrong values in PointProperties of example

Test https://www.web3d.org/x3d/content/examples/Basic/Points/BasicPointSpritesIndex.html violates the rules of the specification. The rules say: The provided value for pointSizeMinValue shall be less than or equal to value for pointSizeMaxValue. This means that with the provided values (5, 1) the behavior is undefined.

I assume that pointSizeMaxValue should actually be 100, as a reasonable result can be achieved with this value.

Reference:
https://www.web3d.org/documents/specifications/19775-1/V4.0/Part01/components/shape.html#PointProperties

Best regards,
Holger

--
Holger Seelig
Leipzig, Germany

holger.seelig at yahoo.de
https://create3000.github.io/x_ite/

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