[webmap-discuss] vector editing movie

[Pat Cappelaere]

Very cool.  Great job, brother!
How did you make the movie?
Pat.

> From: "Steven M. Ottens" <steven.ottens at geodan.nl>
> Reply-To: <webmap-discuss at mail.osgeo.org>
> Date: Fri, 03 Nov 2006 14:22:08 +0100
> To: <webmap-discuss at mail.osgeo.org>
> Subject: [webmap-discuss] vector editing movie
> 
> Hi list,
> 
> I'm a bit behind with the whole vector discussion, since I'm on a tight
> deadline to produce feature editing functionality. Building upon Patrice
> work in Mapbuilder I wrote functionality to display features in SVG/VML
> (Patrice work) and drag the vertices around and add/remove vertices.
> Currently the application is behind a firewall, so I can only give you
> all a screencast:
> http://jana.geodan.nl/steveno/Untitled.html and you've to take my word
> for it that it actually works both in FF and in IE. :)
> This is how I like to see feature editing in our uber-webmap-client ;)
> 
> It works like this:
> The feature is requested from geoserver as a GML. The GML is double
> rendered: as a line and as a series of circles. On each circle there are
> eventhandlers on mouseover,-out,-down,-up Depending if the add/delete
> point function is enabled they behave differently (add a point, remove a
> point, move a point). On the mouseup event the GML is updated and the
> line is drawn again.
> 
> My question is if this can be done with canvas as well, since putting
> eventhandlers on lines/points etc proves to be a very easy way to modify
> features.
> 
> The essential (very hackish) code is in
> http://svn.codehaus.org/mapbuilder/sandbox/steven/FeatureEditing/
> 
> Steven
> 
> -- 
> Geodan S&R Amsterdam
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