[OpenLayers-Dev] Storing styles as SLD

[Tim Schaub]

Hey-

bartvde at osgis.nl wrote:
> Hi Carsten,
> 
> I've posted some of my code to pastebin, hopefully it will help you. Btw
> SLD does not *need* the filters, a Rule can perfectly be valid without a
> filter.
> 
> http://pastebin.com/m42ddc858
> 
> Best regards,
> Bart
> 
>> first and best answer to my problem upto now
>>
>> where come your symbolizers and filters from ?
>> how did you instantiate them ?

You can also read http://trac.openlayers.org/wiki/Styles

A rule has an optional filter.  A symbolizer is an object with 
properties to be used in drawing the feature.

Tim

>>
>> bartvde at osgis.nl schrieb:
>>> Hi,
>>>
>>> SLD needs more stuff, e.g. NamedLayers and UserStyles. I am using the
>>> following but I am not sure if this will still work in 2.7.
>>>
>>>     var sld = {version: "1.0.0", namedLayers: {}};
>>>     for (var i=0; i<layerNames.length; i++) {
>>>         sld.namedLayers[layerNames[i]] = {name: layerNames[i],
>>> userStyles:
>>> []};
>>>         sld.namedLayers[layerNames[i]].userStyles.push({rules: []});
>>>         sld.namedLayers[layerNames[i]].userStyles[0].rules.push(
>>>             new OpenLayers.Rule({symbolizer: symbolizers[i], filter:
>>> filters[i]}));
>>>     }
>>>     var frmt = new OpenLayers.Format.SLD();
>>>     return frmt.write(sld);
>>>
>>> Best regards,
>>> Bart
>>>
>>>
>>>> Hi list,
>>>>
>>>> im a working on a webbased editor.
>>>> Manipulating geometries works fine, changing color too.
>>>> But now i want to store my changed styles as SLD
>>>>
>>>>
>>>> CODE:
>>>>
>>>>      var myStyles = new OpenLayers.StyleMap({
>>>>          "default": new OpenLayers.Style({
>>>>              pointRadius: "5", // sized according to type attribute
>>>>              fillColor: "#ffcc66",
>>>>              strokeColor: "#ff9933",
>>>>              strokeWidth: 2
>>>>          }),
>>>>          "select": new OpenLayers.Style({
>>>>              fillColor: "#66ccff",
>>>>              strokeColor: "#3399ff"
>>>>          })
>>>>      });
>>>>
>>>>      var _sld=new OpenLayers.Format.SLD();
>>>>      var _style=myStyles.styles['default'];
>>>>      var _xml=_sld.write(_style);
>>>>      console.log(_xml);
>>>>
>>>> Result in console:
>>>> <StyledLayerDescriptor xmlns="http://www.opengis.net/sld"
>>>> version="1.0.0" xsi:schemaLocation="http://www.opengis.net/sld
>>>> http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd"
>>>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>
>>>>
>>>> Any ideas why my xml keeps empty? I cannot see an error?
>>>>
>>>> thx Carsten
>>>>
>>>> --
>>>> Mit freundlichen Grüßen / Yours faithfully
>>>> Carsten Eider
>>>>
>>>> Dipl. Inf. (FH)
>>>>
>>>> Kompetenzzentrum für Innovative Informationssysteme
>>>>
>>>> c/o Fachhochschhule Bingen / University of applied sciences Bingen
>>>>
>>>> Berlinstraße 109
>>>> 55411 Bingen
>>>>
>>>> Tel: +49 (0) 6721 / 409-179
>>>> Fax: +49 (0) 6721 / 409-158
>>>> email: eider at fh-bingen.de
>>>> Internet: iis.fh-bingen.de
>>>>
>>>>
>>>> _______________________________________________
>>>> Dev mailing list
>>>> Dev at openlayers.org
>>>> http://openlayers.org/mailman/listinfo/dev
>>>>
>>>>
>>>
>>>
>>>
>> --
>> Mit freundlichen Grüßen / Yours faithfully
>> Carsten Eider
>>
>> Dipl. Inf. (FH)
>>
>> Kompetenzzentrum für Innovative Informationssysteme
>>
>> c/o Fachhochschhule Bingen / University of applied sciences Bingen
>>
>> Berlinstraße 109
>> 55411 Bingen
>>
>> Tel: +49 (0) 6721 / 409-179
>> Fax: +49 (0) 6721 / 409-158
>> email: eider at fh-bingen.de
>> Internet: iis.fh-bingen.de
>>
>>
> 
> 
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-- 
Tim Schaub
OpenGeo - http://opengeo.org
Expert service straight from the developers.