[webmap-discuss] AJAX vector rendering "gathering"
Cameron Shorter
cameron.shorter at gmail.com
Tue Oct 31 04:18:27 EST 2006
Thanks Bart:
Logs at:
http://crschmidt.net/irc/openlayers/log.cgi/2006-10-30
Anselm Hook dropped in afterwards and plans to help out with the coding too.
Bart van den Eijnden (OSGIS) wrote:
> Hi Steve,
>
> I can post a small summary.
>
> There was a discussion about using the DOJO Vector library, but generally
> OpenLayers is against introducing new dependencies (where they have just
> been removing others like Prototype). So it did not seem like the most
> appropriate option.
>
> Paul Spencer has been writing some code in OpenLayers for DMSG's MapGuide
> Fusion project, and this will be available roughly somewhere in the next
> month(s). It is based on Canvas and uses Google's IECanvas library. Paul and
> Christopher Schmidt claim this can do all they want to do for editing, even
> things like snapping should be possible. Cameron had some reservations when
> it comes to finding features on a map (performance e.g.), and attaching
> events to features. The server-side part of the Fusion project will likely
> not be open-sourced, but the vector part for OpenLayers will be. There will
> be a need for a redesign of the stuff after Cameron and Paul finish their
> general design.
>
> Cameron is working on SVG rendering in Mapbuilder for his OWS-4 project, and
> plans to integrate this into OpenLayers in the near future (maybe even next
> couple of weeks). The two options (Canvas and SVG) are probably
> complimentary.
>
> Please correct me if I noted something incorrectly :-)
>
> The IRC session was logged, but I don't have the URL unfortunately.
>
> Best regards,
> Bart
>
> --
> Bart van den Eijnden
> OSGIS, Open Source GIS
> http://www.osgis.nl
>
>
> --------- Oorspronkelijk bericht --------
> Van: webmap-discuss at mail.osgeo.org
> Naar: webmap-discuss at mail.osgeo.org <webmap-discuss at mail.osgeo.org>
> Onderwerp: Re: [webmap-discuss] AJAX vector rendering "gathering"
> Datum: 31/10/06 00:27
>
>
>>Cameron,
>>
>>I really wanted to attend, but had other commitments. Will someone post
>>a summary of the discussion and any decisions/outcomes/etc.
>>
>>Thanks,
>> -Steve
>>
>>Cameron Shorter wrote:
>>> There are a number of early implementations of AJAX GIS vector
>
> rendering
>
>>> that we are all involved in - and there seems to be a common desire
>
> to
>
>>> work together on this.
>>>
>>> I suggest we have an IRC meeting where we can agree on a common
>
> design
>
>>> (at a high level) then volunteer for components.
>>>
>>> that everyone who is interested join together in an IRC session in 12
>
>
>>> hours at:
>>>
>
> http://timeanddate.com/worldclock/meetingdetails.html?year=2006&month=10&day=30&hour=19&min=0&sec=0&p1=240&p2=16&p3=179&p4=137
>
>
>>>
>>> Sydney Tue 6:00:00 AM UTC+11 hours EST
>>> Amsterdam Mon 8:00:00 PM UTC+1 hour CET
>>> New York Mon 2:00:00 PM UTC-5 hours EST
>>> Los Angeles Mon 11:00:00 AM UTC-8 hours PST
>>> Corresponding UTC (GMT) Monday, 30 October 2006 at 19:00:00
>>>
>>> Channel:
>>> irc://freenode.net#openlayers
>>>
>>> Agenda:
>>> 00 - 05: Roll Call. Confirm agenda.
>>> 05 - 10: Who is working on what, and what you plan to work on +
>
> questions.
>
>>> 10 - 50: Design discussion.
>>> 50 - 55: Coordinate efforts (who is working on what)
>>> 55 - 60: Arange next meeting.
>>> 60 --: Meeting close
>>>
>>> People who have shown an interest so far:
>>> =========================================
>>> I'm writing vector rendering code for large GML datasets, currently
>>> using Mapbuilder but I'd like to move the logic into OpenLayers and
>
> use
>
>>> OpenLayers for the Mapbuilder rendering engine.
>>> With Paul Spencer, I've started putting together a design at:
>>>
>
> http://wiki.osgeo.org/index.php/AJAX_WebMapping_Vector_Rendering_Design#Graphics_Class_Diagram
>
>
>>>
>>>
>>> Paul Spencer has written vector rendering code for OpenLayers using
>>> IECanvas and has been discussing a new Vector rendering design with
>
> me.
>
>>>
>>> Pierre Giraud and Bertil Chapuis have implemented vector rendering in
>
>
>>> OpenLayers, including feature entry and editing at:
>>> http://dev.camptocamp.com/~bchapuis/openlayers/examples/vector.html
>>>
>>> Steven Ottens needs to edit features in a browser and I think he has
>>> plans for working on this soon.
>>>
>>> Ed Dowding has put together design ideas at:
>>> http://trac.openlayers.org/wiki/VectorDrawing
>>>
>>> Patrice Cappelaere has written SVG and VML support for GeoRSS and GML
>
>
>>> layers in Mapbuilder using elements of SLD for styling.
>>>
>>> Others on the CC list have contributed to discussions. Please add
>
> your
>
>>> name and come along if you are interested.
>>>
>>
>>
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--
Cameron Shorter
http://cameron.shorter.net
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