Hi,
I see you don't use SLD_BODY any more. So you don't need the whole workaround,
and also don't need Layer.WMS.POST. This is good - using SLD instead of
SLD_BODY is the preferred option.
Regards,
Andreas.
On Aug 6, 2010, at 16:22 , Sascha Müller wrote:
>
>
> Hi,
>
> Ok, I've got it a little bit.
>
> 1) I changed in VectorLegend.js
> GeoExt.VectorLegend.supports = function(layerRecord) {
> - return layerRecord.get("layer") instanceof OpenLayers.Layer.Vector;
> + return layerRecord.get("layer").styleMap;
> };
>
> 2) I add
> "preferredTypes: ["gx_vectorlegend"]" to my LegendPanel.
>
> 3) I load a WMS-Layer with a SLD_Body:
> var ub = new OpenLayers.Layer.WMS.Post("U-Bahn Test",
> "http://localhost:8081/geoserver/wms/";,
> {
> layers: "WL:UBahn",
> transparent: true,
> format: 'image/jpeg',
> sld :
> "http://localhost:8081/geoserver/styles/myStyle.sld";
> },
> {
> isBaseLayer: false
> }
> );
> map.addLayer(ub);
>
> 4) But, how do I give the WMS layer a styleMap?
>
> var myStyles = new OpenLayers.StyleMap({
> "default": new OpenLayers.Style({
> fillColor: "#ffcc66",
> strokeColor: "#ff9933",
> strokeWidth: 2,
> graphicZIndex: 1
> })
> });
>
> ???
>
> 4) Do mergeNewParams()
>
>
>
> Maybe this is an own thread:
> After this works, is there a way, to get the properties out of the sld
> and wrire it in the styleMap? similiar to this thread
> http://osgeo-org.1803224.n2.nabble.com/StyleMap-and-dynamic-loaded-styles-td4961340.html#a4961340
> The difference is, I got a XML (SLD) back. If not, I have to parse the
> whole SLd and get all the properties and mut them into the styleMap.
>
>
> regards,
>
> Sascha
>
>
>> Hi,
>>
>> On Aug 6, 2010, at 12:23 , Sascha Müller wrote:
>>
>>
>>> Do I understand it right, for every layer (WMS) I create, I have to
>>> give the WMS layer a StyleMap with a "default" render intent? Because I
>>> use a VectorLegend?
>>>
>> No. The VectorLegend will only be used *if* the WMS layer has a StyleMap. It
>> will still use WMSLegend for other layers
>>
>>
>>> I have in my App, depending on the customer, a different number of
>>> layers. This sounds like a lot of work for me.
>>> Or I have to create a VectorLegend specially for the layer with the
>>> large SLD?
>>>
>> Yes, just for that layer. Only WMS layers that have a styleMap property will
>> get a VectorLegend if you follow my suggestion.
>>
>> Regards,
>> Andreas.
>>
>>
>>>
>>>>> This will tell VectorLegend that it supports all layers that have a
>>>>>
>>> styleMap.>> Does it mean, that the Legend accept ONLY layer that have a
>>> styleMap or accept ALSO layer that have a styleMap?
>>>
>>> Another approaches:
>>> - If I change from SLD_BODY to SLD (with the URL of the SLD) in
>>> mergeNewParams(), prevents this a too long URI?
>>> - Is there a way to use 'POST' with GetLegendGraphic?
>>>
>>> regards,
>>>
>>> Sascha
>>>
>>>
>>>
>>>> Hi,
>>>>
>>>> I am pretty sure that the request URI is too long. What you could do is
>>>> reconfigure the legend type selection sequence, so a VectorLegend rather
>>>> than a WMSLegend is created. A prerequisite is this non-API hack though:
>>>>
>>>> GeoExt.VectorLegend.supports = function(layerRecord) {
>>>> return layerRecord.get("layer").styleMap;
>>>> };
>>>>
>>>> This will tell VectorLegend that it supports all layers that have a
>>>> styleMap.
>>>>
>>>> Now you can go ahead and create your legendPanel like this:
>>>>
>>>> var legendPanel = new GeoExt.LegendPanel({
>>>> preferredTypes: ["gx_vectorlegend"]
>>>> });
>>>>
>>>> Finally, when creating your WMS layer with the SLD_BODY (and before you do
>>>> mergeNewParams), you have to give the WMS layer a StyleMap with a
>>>> "default" render intent, which you have to give the style object of your
>>>> SLD.
>>>>
>>>> Regards,
>>>> Andreas.
>>>>
>>>> On Aug 5, 2010, at 17:45 , Sascha Müller wrote:
>>>>
>>>>
>>>>
>>>>> Hi,
>>>>>
>>>>> I tried this SLD with only two instead of five rules. It works.
>>>>> Could it be, that the request 'GetLegendGraphic' is too long with the
>>>>> SLD inside?
>>>>> Like mergeNewParams() without 'Post' in 'OpenLayers.Layer.WMS'.
>>>>>
>>>>> Is there a way to implement it?
>>>>> Or is this more a GeoServer thing?
>>>>>
>>>>> Sascha
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I use:
>>>>>>
>>>>>> GeoExt: trunk (Revision: 2257)
>>>>>> OpenLayers: 2.9
>>>>>> GeoExt: 3.2.1
>>>>>> GeoServer: 1.7.7
>>>>>>
>>>>>>
>>>>>> I use mergeNewParams() to change the Style of a layer. This approach
>>>>>> works except for one layer.
>>>>>> This layer contains five rules with filter. The map changes after
>>>>>> mergeNewParams(), the legend not.
>>>>>> The layername is still there, the images of the five rules are gone.
>>>>>>
>>>>>> If I use this SLD (see below) for the layer with the GeoServer from
>>>>>> start, the layer appears in map and legend. only after
>>>>>> mergenewParams() the layer appears not in the legend.
>>>>>>
>>>>>> The layer uses this: var addlayer = new OpenLayers.Layer.WMS.Post()
>>>>>>
>>>>>> SLD
>>>>>> ===
>>>>>> <?xml version="1.0" encoding="UTF-8"?>
>>>>>> <sld:StyledLayerDescriptor xmlns="http://www.opengis.net/sld";
>>>>>> xmlns:sld="http://www.opengis.net/sld";
>>>>>> xmlns:ogc="http://www.opengis.net/ogc";
>>>>>> xmlns:gml="http://www.opengis.net/gml"; version="1.0.0">
>>>>>> <sld:NamedLayer>
>>>>>> <Name>WL:UBahn</Name>
>>>>>> <sld:UserStyle>
>>>>>> <sld:Name>Default Styler</sld:Name>
>>>>>> <sld:Title/>
>>>>>> <sld:FeatureTypeStyle>
>>>>>> <sld:Name>name</sld:Name>
>>>>>> <sld:FeatureTypeName>Feature</sld:FeatureTypeName>
>>>>>> <sld:SemanticTypeIdentifier>generic:geometry</sld:SemanticTypeIdentifier>
>>>>>> <sld:SemanticTypeIdentifier>colorbrewer:unique:oranges</sld:SemanticTypeIdentifier>
>>>>>> <sld:Rule>
>>>>>> <sld:MinScaleDenominator>0</sld:MinScaleDenominator>
>>>>>> <sld:MaxScaleDenominator>100000000</sld:MaxScaleDenominator>
>>>>>> <sld:Name>rule01</sld:Name>
>>>>>> <sld:Title>U1</sld:Title>
>>>>>> <Filter>
>>>>>> <PropertyIsEqualTo>
>>>>>> <PropertyName>LINIE</PropertyName>
>>>>>> <Literal>U1</Literal>
>>>>>> </PropertyIsEqualTo>
>>>>>> </Filter>
>>>>>> <sld:LineSymbolizer>
>>>>>> <sld:Stroke>
>>>>>> <sld:CssParameter name="stroke">
>>>>>> <Literal>#FEEDDE</Literal>
>>>>>> </sld:CssParameter>
>>>>>> <sld:CssParameter name="stroke-linecap">
>>>>>> <Literal>butt</Literal>
>>>>>> </sld:CssParameter>
>>>>>> <sld:CssParameter name="stroke-linejoin">
>>>>>> <Literal>miter</Literal>
>>>>>> </sld:CssParameter>
>>>>>> <sld:CssParameter name="stroke-opacity">1</sld:CssParameter>
>>>>>> <sld:CssParameter name="stroke-width">3</sld:CssParameter>
>>>>>> <sld:CssParameter name="stroke-dashoffset">
>>>>>> <Literal>0</Literal>
>>>>>> </sld:CssParameter>
>>>>>> </sld:Stroke>
>>>>>> </sld:LineSymbolizer>
>>>>>> </sld:Rule>
>>>>>>
>>>>>> <!-- The other RULSs looks the same like the one above -->
>>>>>>
>>>>>> </sld:FeatureTypeStyle>
>>>>>> </sld:UserStyle>
>>>>>> </sld:NamedLayer>
>>>>>> </sld:StyledLayerDescriptor>
>>>>>>
>>>>>> Is there something wrong with the SLD? Do I have something to consider
>>>>>> if I use mergeNewParams(), or something with the Legend?
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> Sascha
>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>>
>>>>
>>>>
>>>>
>>>
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>>
>
>
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--
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.
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