Re: [cgmo-webcgm] Proposal for getObjectExtent with no graphical primitives.

[Lofton Henderson <lofton@rockynet.com>]

At 04:09 PM 5/6/2008 -0700, Galt, Stuart A wrote:
> >From the minutes:
>Question: How do we handle a getObjectExtent call to an APS that has no
>graphical primitives?
>Add an exception to the exception list? Should we consider another
>approach?
>JavaScript has a concept of undefined? This may be the right approach.
>Dave and
>Stuart will look at the options: 1) throw an exception, 2) add a 5th
>parameter to include a
>result, or 3) invent something invalid for the 4 floats.
>
>I would propose that we return the rectangle such that it is not
>expressed as lower left followed by the upper right point.

I think you mean *is* rather than *is not*, yes?

-Lofton.

>Then if the script author was
>worried
>about the potential for objects with no graphical primitives they could
>simply
>take the results x0, y0, x1, y1 and check if x1 < x0
>
>Stuart.
>
>
>--
>Stuart Galt
>SGML Resource Group
>stuart.a.galt@boeing.com
>(206) 544-3656
>
>
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