[OpenLayers-Dev] Vector drawing

Alan Borden alan.borden at gmail.com
Thu Oct 26 22:19:36 EDT 2006 

hi paul,

from: http://ajaxian.com/archives/dojo-in-depth-with-alex-russell
"First, dojo.gfx now provides a common API to native 2D graphics across
browsers. The API takes advantage of the native SVG support in Firefox
1.5+and Opera 9, while still providing functional graphics in IE.
Native SVG
support in Safari is also on the way.
Second, Alex's demonstration of cometd <http://cometd.com/> was very
impressive. Cometd utilizes a publish/subscribe model and offers sub-second
notification to browser-based clients."

So they seem to be adding safari support...?

Did you try the version in trunk, it may have more recent code for safari(?)

Sorry, I don't have a safari browser to test with...

I also googled this regarding the safari browser: dated June 19, "By the end
of this year, Safari - the web browser that comes included with the Apple
Macintosh - will probably also support SVG. If not this year, then I think
surely next year when Leopard (10.5) comes out - Safari will support SVG."
So, maybe this will solve the compatibility problems?

alan

On 10/26/06, Paul Spencer <pspencer at dmsolutions.ca> wrote:
>
> doesn't work in safari, my first (and only) test.
>
> Paul
>
> On 26-Oct-06, at 4:32 PM, Cameron Shorter wrote:
>
> > Thanks for that email.
> > I'm not on the users list, so missed this message.
> >
> > A vector rendering library like the dojo one is exactly what we should
> > be using.
> >
> > What issues do we face incorporating Dojo into OpenLayers?
> > Is the Licence ok (they use the Artistic)?
> >
> > Is it technically the right think to do. OpenLayers uses prototype for
> > AJAX support. Will that be compatable with Dojo?
> >
> > Ed Dowding wrote:
> >> That's beautiful vector work. I'm copying this to the dev list for
> >> reference
> >>
> >>
> >>
> >>> 2. I noticed mentions of a vector graphics layer for openlayers. A
> >>> project called dojo recently added vector graphic support in the 0.4
> >>> release, plus a local data store cache, and documentation tools
> >>> (both
> >>> of which I also saw mentioned in your Trac logs). So I was wondering
> >>> if the openlayers team had seen or considered the dojo library?
> >>
> >>
> >> http://archive.dojotoolkit.org/nightly/demos/gfx/circles.html
> >> http://archive.dojotoolkit.org/nightly/demos/gfx/clock.html
> >>
> >> http://www.mxgraph.com/demo/mxgraph-web/web/mxWorkflow-Demo.html
> >>
> >>
> >>
> >>
> >> Ed
> >>
> >>
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> >> -----Original Message-----
> >> From: users-bounces at openlayers.org [mailto:users-
> >> bounces at openlayers.org] On
> >> Behalf Of Chris Holmes
> >> Sent: 26 October 2006 16:15
> >> To: Alan Borden
> >> Cc: users at openlayers.org
> >> Subject: Re: [OpenLayers-Users] two newbie questions
> >>
> >>
> >>
> >>> 2. I noticed mentions of a vector graphics layer for openlayers. A
> >>> project called dojo recently added vector graphic support in the 0.4
> >>> release, plus a local data store cache, and documentation tools
> >>> (both
> >>> of which I also saw mentioned in your Trac logs). So I was wondering
> >>> if the openlayers team had seen or considered the dojo library?
> >>
> >>
> >>>  http://archive.dojotoolkit.org/nightly/demos/gfx/circles.html
> >>
> >>> And here's one with a clock where you can click on the hands and
> >>> drag  >
> >> them around:
> >>>   http://archive.dojotoolkit.org/nightly/demos/gfx/clock.html
> >>> Which means it should be possible, given some effort, to make
> >>> more  >
> >> sophisticated drawing tools, like this one:
> >>>   http://www.mxgraph.com/demo/mxgraph-web/web/mxWorkflow-Demo.html
> >>
> >> Wow, I was just going to ask this as well.  Have recently been in
> >> touch with
> >> some of the dojo people, specifically the http://openrecord.org
> >> people.  We
> >> were chatting about integrating GIS functionality in to it - they
> >> have a
> >> number of ways to display data through charts, and on a map would
> >> make a lot
> >> of sense.  OpenLayers is an obvious choice for that as both are pure
> >> javascript.
> >>
> >> Their vector support looks quite nice:
> >>
> >>> The new Dojo 0.4 release includes a dojo.gfx 2D vector  > graphics
> >> library, which renders natively to browsers as SVG or VML  >
> >> (which means it
> >> supports both Firefox and IE, as well as others).
> >>> Having the new dojo.gfx library should make it fairly easy to
> >>> write a  >
> >> tool that would let a user draw lines and shapes on top of a map,
> >> and  >
> >> then pan and  zoom those drawings whenever the user pans and zooms
> >> the  >
> >> map itself.
> >>>
> >>> Here's a simple dojo.gfx demo where you can click on the some
> >>> circles  >
> >> and drag them around:
> >>>   http://archive.dojotoolkit.org/nightly/demos/gfx/circles.html
> >>> And here's one with a clock where you can click on the hands and
> >>> drag  >
> >> them around:
> >>>   http://archive.dojotoolkit.org/nightly/demos/gfx/clock.html
> >>> Which means it should be possible, given some effort, to make
> >>> more  >
> >> sophisticated drawing tools, like this one:
> >>>   http://www.mxgraph.com/demo/mxgraph-web/web/mxWorkflow-Demo.html
> >>
> >>
> >> best regards,
> >>
> >> Chris
> >>
> >>
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> >
> > --
> > Cameron Shorter
> > http://cameron.shorter.net
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>
> +-----------------------------------------------------------------+
> |Paul Spencer                          pspencer at dmsolutions.ca    |
> +-----------------------------------------------------------------+
> |Chief Technology Officer                                         |
> |DM Solutions Group Inc                http://www.dmsolutions.ca/ |
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