(no subject)

Paul Burchard ([email protected])
Sun, 16 Apr 95 17:34:36 -0600

In his keynote address, [email protected] (Mark D. Pesce) said:
> The map field creates the three-dimensional equivalent
> of image mapping with inline images; if the field's value
> is NONE, then no mapping data is returned, however, if the
> field's value is POINT, then the URL is sent with ?x,y,z
> appended to it, these values being the x, y, and z values
> within the scene where the selection event occured.

Shouldn't this be, "within the anchor object"? It's very important
that the coordinates sent back to the anchor's URL not depend on
the scene context in which the anchor node is placed.

The VRML 1.0 spec potentially misleads readers in the opposite
direction. It could be interpreted to imply that what's sent back
are the coordinates within the deepest subobject chosen, which would
be equally useless:

# If it is POINT then the object-space coordinates of the
# point on the object the user chose will be added to the URL
# in the name field, with the syntax "?x,y,z".

Would the following be clearer?

If it is POINT then the WWWAnchor object-space coordinates
of the point chosen by the user will be added to the URL
in the name field, with the syntax "?x,y,z".

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Paul Burchard <[email protected]>
``I'm still learning how to count backwards from infinity...''
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