[x3d-public] Wrong values in PointProperties of example

[John Carlson]

Cool!   Nice job, Vince,Don,Holger and Dick!

Is there an action item to enhance Schematron?

John

On Wed, Sep 4, 2024 at 6:46 PM Brutzman, Donald (Don) (CIV) via x3d-public <
x3d-public at web3d.org> wrote:

> I am happy to report that making this correction results in a visible
> scene.
>
>
>    - X3D Example Archives: Basic, Points, Basic Point Sprites
>    - PointProperties test case, suitable for X3Dv4 implementation
>    comparisons and conformance.
>    -
>    https://www.web3d.org/x3d/content/examples/Basic/Points/BasicPointSpritesIndex.html
>    -
>    https://www.web3d.org/x3d/content/examples/Basic/Points/BasicPointSprites.x3d
>
>
> Interestingly, before applying and testing the change using my local
> version-control model, Dick and I were able to modify the online versions
> live using the in-browser editing tools.  This succeeded for both X_ITE and
> X3DOM.  Very helpful.
>
>
>    -   X_ITE Playground
>    -
>    https://create3000.github.io/x_ite/playground/?url=https://www.web3d.org/x3d/content/examples/Basic/Points/BasicPointSprites.x3d
>    - X3DOM Editor
>    -
>    https://andreasplesch.github.io/Library/Viewer/index.html?url=https://www.web3d.org/x3d/content/examples/Basic/Points/BasicPointSprites.x3d
>
>
> Have fun with X3D PointProperties!  🙂
>
>
> 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:* vmarchetti at kshell.com <vmarchetti at kshell.com>
> *Sent:* Tuesday, September 3, 2024 3:50 AM
> *To:* Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> *Cc:* Holger Seelig <holger.seelig at yahoo.de>; X3D-Public <
> x3d-public at web3d.org>
> *Subject:* Re: [x3d-public] Wrong values in PointProperties of example
>
>
> I agree that the pointSizeMaxValue='100' should be added to the field
> values.
>
> Vince Marchetti
>
>
> On Sep 3, 2024, at 1:42 AM, Brutzman, Donald (Don) (CIV) <brutzman at nps.edu>
> wrote:
>
> 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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