[OpenLayers-Dev] OLON in OpenLayers 2.7

Roald de Wit roald.dewit at lisasoft.com
Sun Jan 11 20:05:08 EST 2009

Wasn't there a Google SoC project last year that was going to make use
of OLON and improve it (as a means, not as a goal)?
I'm curious what came out of that project.


On Sun, 2009-01-11 at 15:50 +1030, Erik Uzureau wrote:
> ...not sure if this is relevant now or not, since I don't know much
> about OLON, but this was picked up on my radar today and
> thought I'd send it along in case it is something worth looking into.
> -e
> from: http://blog.sumbera.com/2009/01/10/olon-in-openlayers/
> Playing with OL context and OLON (OpenLayers Object Notation) that is
> based on JSON I have found that the sample provided on the OLON
> sandbox in OL repository doesn't work well with vectors, in fact it
> ignores vectors at all.  Reading through the code it was quite easy to
> discover the problem - vector.js (layer) didn't serialize  "features",
> moreover during deserialization, features were nulled. To make OLON
> properly work in OL 2.7   for vectors, add following to the vector.js
> (lib\OpenLayers\Layer\Vector.js)
> [line 197]
> serializable: {
> "args": ["name"],
> "props": ["features"]
> },
> [line 238]
> if (!this.features)
> this.features = [];
> If you have pure 2.7 OL version installed, following link can help you
> to make difs against what is needed for OLON to work at 2.7:
> http://trac.openlayers.org/changeset/7323 …or you may download
> complete 2.7 version of OpenLayers with OLON extension from the
> MapBinder sample at http://www.sumbera.com/lab/wmsbinder/getcap.htm
> since OL there  is not compressed.
Roald de Wit
Software Engineer
roald.dewit at lisasoft.com

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