hi,
I do something similar in http://edit.csic.es/edit_geo/prototype/edit.html ;
I've never used (even don't know if it works)
config.loadModel("mySLD","pathtosld"); instead of that I change the mySLD
model (points to a dynamically generated SLD by PHP), saveModel and refresh.
You can do something similar but changing values of a SLD inserted in the
WebMap Context.
<model>
<StyledLayerDescriptor id="mySLD">
<defaultModelUrl>path to a generated SLD; the point layer
points
to this SLD in the WMC</defaultModelUrl>
<tools>
<EditSLD id="editSLD">
<targetModel>mainMap</targetModel>
</EditSLD>
</tools>
</StyledLayerDescriptor>
</model>
from javascript...
xpath="//sld:Rule["+i+"]/sld:PointSymbolizer/sld:Graphic/sld:Mark/sld:Fill/sld:[EMAIL
PROTECTED]'fill']/ogc:Literal";
SizeNode=config.objects.mySLD.doc.selectSingleNode(""+xpath+"").firstChild;
config.objects.mySLD.saveModel(config.objects.mySLD);
config.objects.mainMap.setParam("refresh")
I've posted some messages before in the mailing list. You can also check the
code in http://dev.e-taxonomy.eu/trac/browser/trunk/geo/mapviewer (not very
well documented!)
hope it helps,
Pere Roca
Simms,Richard [Burlington] wrote:
>
> Hello,
>
> I am new to Mapbuilder (currently using 1.5-rc2). By following the
> included examples I've managed to get a working map with a bunch of
> widgets, a couple of my own javascript buttons, and several layers. Now
> I'm looking for a way to change SLD associated with a layer on the map.
>
> Some background on what I'm trying to do: I've got a SQL database that
> is serving up points in lat-long that are placed one the map. The other
> layers are all polygon or raster. I'm colouring the SQL layer based on
> the ID numbers of the points. I'd like to colour the SQL points
> differently based on selections made on the map page.
>
>>From looking at the list archives I've come across the dynamic SLD
> manipulation thread. It looks like you can do
> config.loadModel("mySLD","pathtosld"). When I try to use this in Firebug
> it comes up with an error. Is there some place I can look to find
> information about how to use this properly? I suspect I'm not naming
> "mySLD" correctly.
>
> There was an old thread and a couple of examples on the layers hiding
> problem.:
> config.objects.mainMap.getLayer('ROADL_TRANS_1M:Foundation').setAttribut
> e('hidden','1')
> config.objects.mainMap.setParam('refresh')
> Could a similar method be used to change the SLD?
>
> If it isn't possible I can always generate a custom context file on the
> webserver and use loadModel to point to the new context.
>
> Thanks,
>
> Sincerely,
> Richard
>
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