Hi Randy,
It is most definitely true that today you have Dojo2D or Kevin's library <
FirefoxSVG < ASV, pretty much by definition since Dojo2D and Kevin's
library can only support the LCD set of vector graphics features that exist
in both Firefox and in IE/VML. Whether Dojo2D or Kevin's library are
interesting to a developer depends on the features that the developer
needs. I have seen lots of SVG applications that are quite basic, where the
only SVG features that are required are paths, text, hyperlinks, and
visibility control. For these types of SVG applications, then the LCD
approach might be suitable. But if you are looking to do more complicated
things like interactive animation experiences, you are probably out of luck
with the LCD approach.
Jon
Jon Ferraiolo <[EMAIL PROTECTED]>
Web Architect, Emerging Technologies
IBM, Menlo Park, CA
"Randy George"
<[EMAIL PROTECTED]
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Subject
RE: [svg-developers] Browser-based
09/11/2006 10:21 SVG rendering proof-of-concept
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Hi Kevin,
I think your system was down for awhile. It must have
generated a
bit of interest :) This seems similar to the dojo approach Jon was
mentioning. I think OpenAjax is interesting, but these are all oriented to
lowest common denominator cross browser apps and appear primitive next to
pure SVG capabilities.
I am not very familiar with dojo but understand how this could be used for
cross browser static display, in the IE case as VML/DIV. Google maps api
uses VML for IE and SVG for FF for their path/pt overlays etc. MapBuilder's
OWS interface takes a similar tack for primitive map interaction. Possibly
they use the Zorn library. The question is how well VML/DIV supports
events,
animation, full svg styling etc. I am still skeptical that it could
approach
the same kind of rich client capability found in Adobe's ASV. VML seems
primitive by comparison. Google resorted to a rich client download for
Google Earth probably because of the obvious limitations found in
HTML/VML/SVG.
Even the current implementation of SVG rendering in FF is lacking in some
of
these areas. Perhaps Opera has advanced further along the SVG1.1
implementation, but as it stands now I have a few applications that depend
on the ASV implementation of SVG as a minimum and are still waiting for FF
to catch up before it becomes a viable web app client. I don't yet see how
the Ajax/javascript approach could fill the vacuum left by ASV's sudden
demise.
Randy
-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED]
On Behalf Of Kevin Lindsey
Sent: Sunday, September 10, 2006 11:55 AM
To: [email protected]
Subject: [svg-developers] Browser-based SVG rendering proof-of-concept
Hey folks,
A few months back, I was playing around with a kind of SAX-like SVG
path parser I wrote years ago. The idea was to see if I could render
SVG paths to various targets: div's (yes, that is crazy), flash,
canvas, and VML. Given the recent discussion about ASV's demise (and
from some prodding from Doug Schepers), I thought some folks might be
interested to see a kind of proof of concept.
http://www.kevlindev.com/projects/jsdrawing/index.htm
Hopefully this can help folks see that there are options available to
us until we get a replacement viewer in IE.
Kevin Lindsey
KevLinDev - http://www.kevlindev.com
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