[x3d-public] Errors in Geometry2dComponentPrototypes.wrl at web3d.org

[Don Brutzman]

Sergey, thank you very much for these insightful reports.  I will investigate and fix.

On 6/28/2016 10:47 AM, Bederov, Sergey wrote:
> Hello all,
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> Recently I have seen a VRML file converted from X3D by some converter. The file is using some non-standard VRML nodes and has EXTERNPROTO definitions pointing to:
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> http://www.web3d.org/x3d/content/examples/Basic/development/Geometry2dComponentPrototypes.wrl
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> I want to say that there are errors in that file:
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> Line 45:
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>           metadata IS metadata
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> This field is contained in a “Group” node, but in VRML this node doesn’t have a “metadata” field. Here, this link can safely be removed because this field is not used anywhere.
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> Line 497:
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>           field        MFVec2f         points IS points
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> The “points” field is not declared in the PROTO declaration, but the “point” field is declared instead. Replacing “points” to “point” seems to make it work.
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> To whom it may concern, please fix these errors. Currently, that file is an invalid VRML file, and a well-behaving VRML browser doesn’t load it and therefore can’t use the PROTO declarations contained therein, even if they don’t have errors.
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> Thank you,
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> Sergey Bederov
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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 http://faculty.nps.edu/brutzman