Thanks Arnd! So, I have 3 WMS layers: Roads, GasStation, Country... The user will select the Layer with radiobutton, and after select one data in Grid...
So I´ll use selectedWMSLayer.mergeNewParams with a SLD_BODY ... Is that right? And how about Mapfile configuration, Am I suppossed to change anything? What? Thanks On Mon, May 3, 2010 at 1:58 PM, Arnd Wippermann <[email protected]>wrote: > Hi Paul, > > SLD_BODY is a request parameter of a wms. If you can get from your grid a > reference to your OpenLayers WMS layer, then you can use > > yourWMSlayer.mergeNewParams('SLD_BODY' : ....). > > if your wms have only one layer (in the eample below POLYGONS) to request, > you can use something like this > > <StyledLayerDescriptor version="1.0.0" xmlns="http://www.opengis.net/sld"; > xmlns:gml="http://www.opengis.net/gml"; xmlns:ogc=" > http://www.opengis.net/ogc"; xmlns:xlink="http://www.w3.org/1999/xlink"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation=" > http://www.opengis.net/sld > http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd";> > <NamedLayer> > <Name>COUNTRY</Name> > <UserStyle> > <FeatureTypeStyle> > <Rule> > <PolygonSymbolizer> > <Fill> > <CssParameter name="fill">#f0f0f0</CssParameter> > <CssParameter name="fill-opacity">1.00</CssParameter> > </Fill> > <Stroke> > <CssParameter name="stroke">#646464</CssParameter> > </Stroke> > </PolygonSymbolizer> > </Rule> > </FeatureTypeStyle> > </UserStyle> > </NamedLayer> > </StyledLayerDescriptor> > > as SLD_BODY to highlight the the features of the layer. Attention! You have > to delete the line feeds for the request. > > Zooming to the extent of the wms layer is not so easy, perhaps inpossible. > You can request the WMS GetCapabilities and hope that there the correct > extent are described for the layer. Or if the layer is also requestable as > WFS you can perhaps on that way get the extent of the layer. But I'm not > sure. > > If you are the holder of the WMS server, I would suggest, that you > calculate the extent on other ways and adds it as array to your application. > > Arnd > > ------------------------------ > *Von:* Paul james [mailto:[email protected]] > *Gesendet:* Montag, 3. Mai 2010 16:39 > *An:* Arnd Wippermann > *Cc:* fsalas; [email protected] > > *Betreff:* Re: [OpenLayers-Users] HELP!!! How implement Filter in WMS > Layer > > Hi Arnd... > I have some questions about that... > > First I have a geo app using Openlayers/Mapserver WMS with SDE layers.... > My application has a treeview with all layers, and a radiobox for each > layer... When I click in a layer´s radiobox a window with a GRID containing > all layer´s data is opened... > In that GRID, When I select a line (layer´s data), the Map should : > 1-) Highlight it > 2-) Zoom in data selected > > Can I develope that using SLD and SLD_BODY ? Do you have any tip to how do > that? > > Thanks >
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