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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>David,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You can manipulate the opacity of any layer within OL.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>To change a layer’s opacity I just use the following method >>
layerObjectName.setOpacity(newOpacity);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Where ‘newOpacity’ is a real number between 0 and 1
[0=transparent and 1=opaque therefore 0.5=half transparent etc].<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Then all you need is some GUI tool to collect the number from
the user.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hope that helps.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Brad….<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
users-bounces@openlayers.org [mailto:users-bounces@openlayers.org] <b>On Behalf
Of </b>David Alda Fernandez de Lezea<br>
<b>Sent:</b> Wednesday, November 18, 2009 1:48 AM<br>
<b>To:</b> users@openlayers.org<br>
<b>Subject:</b> Re: [OpenLayers-Users] SLD on the fly<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Hello, </span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I'm using MapServer WMS and want to apply some complex SLD to an OL
WMS layer. It seems that some features cannot be used in OL, for example putting
the text label in the centroid of the polygon or fill-opacity (I can't make
this work, even with mapserver). I've been looking to your web page and I've
realized that you have a slider bar which lets you set some transparency to the
style. How do you do that, if I can ask??</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Thanks.</span><o:p></o:p></p>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Frutiger 55 Roman","serif"'>Un
saludo,</span><o:p></o:p></p>
<div>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Verdana","sans-serif"'> <o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Frutiger 55 Roman","serif"'>··················································································<o:p></o:p></span></p>
<p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Verdana","sans-serif"'>David
Alda Fernández de Lezea</span></b><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Verdana","sans-serif"'>Lurralde
eta Biodibertsitate Saila / Dpto. de Territorio y Biodiversidad<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span style='font-size:8.0pt;font-family:"Verdana","sans-serif"'>IKT<o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Verdana","sans-serif"'>Granja
Modelo s/n · 01192 · Arkaute (Araba)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Verdana","sans-serif"'><br>
··················································································<br>
Tlfnos.: 945-00-32-95 Fax: 945-00.32.90<br>
··················································································<br>
email: <a href="mailto:dalda@ikt.es">dalda@ikt.es</a>
web: <a href="http://www.ikt.es/">www.ikt.es</a><br>
··················································································<o:p></o:p></span></p>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div class=MsoNormal align=center style='text-align:center'><span lang=ES>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span lang=ES
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De:</span></b><span
lang=ES style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
users-bounces@openlayers.org [mailto:users-bounces@openlayers.org] <b>En nombre
de </b>Brad Spencer<br>
<b>Enviado el:</b> lunes, 16 de noviembre de 2009 22:24<br>
<b>Para:</b> 'Pedro Baracho'; 'Ian Turton'<br>
<b>CC:</b> 'OpenLayers Users'<br>
<b>Asunto:</b> Re: [OpenLayers-Users] SLD on the fly</span><span lang=ES><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Pedro,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I use CubeWerx WMS. This allows you to apply SLDs externally
with no effect on STYLES but you can also undertake a PutStyles if you have
that access privilege which will add/update the STYLE. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I build a library of SLDs if I want to keep them as permanent
filters which is important in my case as I am producing an infinite number of
thematic maps (DemographicDrapes) from Census statistics.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Have a look at <a
href="http://demos.numaps.com.au/demographicdrapes.html">http://demos.numaps.com.au/demographicdrapes.html</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I have built a complex Style Builder application that allows the
user to pretty much change all aspects of a SLD and Save or SaveAs.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Cheers, Brad…. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> users-bounces@openlayers.org
[mailto:users-bounces@openlayers.org] <b>On Behalf Of </b>Pedro Baracho<br>
<b>Sent:</b> Tuesday, November 17, 2009 7:36 AM<br>
<b>To:</b> Ian Turton<br>
<b>Cc:</b> OpenLayers Users<br>
<b>Subject:</b> Re: [OpenLayers-Users] SLD on the fly<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Wow, I am impressed! What a
cool map that is being displayed on my screen! hehe :)<br>
<br>
Thanks for the reply.<br>
<br>
Guess I am set in solution 2.<br>
<br>
Just another question. I don't see SLD BODY on WMS Spec, but I see it on SLD
profile for WMS. And it also states:<br>
"GetMap is defined in WMS 1.3. The SLD profile for WMS defines additional
parameters allowing clients to request layers to be portrayed according to some
specified style."<br>
<br>
Do you know any map server that doesn't support SLD profile for WMS, but
supports WMS? I am just curious about it, because imho it doesn't make sense
splitting SLD profile for WMS from WMS spec.<o:p></o:p></p>
<div>
<p class=MsoNormal>On Mon, Nov 16, 2009 at 5:54 PM, Ian Turton <<a
href="mailto:ijturton@gmail.com">ijturton@gmail.com</a>> wrote:<o:p></o:p></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>On Mon, Nov 16, 2009 at 2:29
PM, Pedro Baracho <<a href="mailto:pedropbaracho@gmail.com">pedropbaracho@gmail.com</a>>
wrote:<br>
> I need to change SLD on the fly to create some thematic maps. I would also<br>
> appreciate if compatibility with OGC's WFS was mantained. Have you guys
done<br>
> this before? I could use some suggestions... :P<br>
><br>
> I have done some searching and came up with a couple of solutions.<br>
><br>
> 1- GeoServer GeoExt Styler Plugin.<br>
> I don't know if it is a good solution, because as far as I know, it
changes<br>
> the style of the layer for all the users. I would need to replicate styles<br>
> on the server for each user and each layer. And also this requires the<br>
> server to be Geoserver, and breaks OGC compatibility.<br>
><o:p></o:p></p>
</div>
<p class=MsoNormal>You are right that will change it for everyone<o:p></o:p></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
> 2- WMS 1.3 and SLD<br>
> MapServer implements WMS 1.3 and accepts a SLD description in the request.<br>
> GeoServer doesn't.<br>
> Nothing against MapServer, but my current development environment is set<br>
> with GeoServer..<o:p></o:p></p>
</div>
<p class=MsoNormal>Try <a
href="http://localhost:8080/geoserver/wms?bbox=-130,24,-66,50&Format=image/png&request=GetMap&width=550&height=250&srs=EPSG:4326&SLD_BODY=%3CStyledLayerDescriptor%20version%3D%221.0.0%22%3E%3CUserLayer%3E%3CName%3Etopp:states%3C/Name%3E%3CUserStyle%3E%3CName%3EUserSelection%3C/Name%3E%3CFeatureTypeStyle%3E%3CRule%3E%3CFilter%20xmlns:gml%3D%22http://www.opengis.net/gml%22%3E%3CPropertyIsEqualTo%3E%3CPropertyName%3ESTATE_NAME%3C/PropertyName%3E%3CLiteral%3EIllinois%3C/Literal%3E%3C/PropertyIsEqualTo%3E%3C/Filter%3E%3CPolygonSymbolizer%3E%3CFill%3E%3CCssParameter%20name%3D%22fill%22%3E%23FF0000%3C/CssParameter%3E%3C/Fill%3E%3C/PolygonSymbolizer%3E%3C/Rule%3E%3CRule%3E%3CLineSymbolizer%3E%3CStroke/%3E%3C/LineSymbolizer%3E%3C/Rule%3E%3C/FeatureTypeStyle%3E%3C/UserStyle%3E%3C/UserLayer%3E%3C/StyledLayerDescriptor%3E"
target="_blank">http://localhost:8080/geoserver/wms?bbox=-130,24,-66,50&Format=image/png&request=GetMap&width=550&height=250&srs=EPSG:4326&SLD_BODY=%3CStyledLayerDescriptor%20version%3D%221.0.0%22%3E%3CUserLayer%3E%3CName%3Etopp:states%3C/Name%3E%3CUserStyle%3E%3CName%3EUserSelection%3C/Name%3E%3CFeatureTypeStyle%3E%3CRule%3E%3CFilter%20xmlns:gml%3D%22http://www.opengis.net/gml%22%3E%3CPropertyIsEqualTo%3E%3CPropertyName%3ESTATE_NAME%3C/PropertyName%3E%3CLiteral%3EIllinois%3C/Literal%3E%3C/PropertyIsEqualTo%3E%3C/Filter%3E%3CPolygonSymbolizer%3E%3CFill%3E%3CCssParameter%20name%3D%22fill%22%3E%23FF0000%3C/CssParameter%3E%3C/Fill%3E%3C/PolygonSymbolizer%3E%3C/Rule%3E%3CRule%3E%3CLineSymbolizer%3E%3CStroke/%3E%3C/LineSymbolizer%3E%3C/Rule%3E%3C/FeatureTypeStyle%3E%3C/UserStyle%3E%3C/UserLayer%3E%3C/StyledLayerDescriptor%3E</a><br>
(from the demo requests page in geoserver 1.7.5) - works for all WMS versions.<o:p></o:p></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'>><br>
> 3- WFS and treat SLD exhibition on the client<br>
> This is a double edged solution. The good thing about WFS is that I have<br>
> many more possibilities of control over the map. I can use SelectFeature<br>
> control, instead of hacking some code to implement it over WMS. But it
also<br>
> gives me many other options I don't need such as the vector data. I only<br>
> need the images.<o:p></o:p></p>
</div>
<p class=MsoNormal>Not sure I understand your plan here but sounds like
overkill - and<br>
may kill off the browser if you have too much data.<br>
<br>
Ian<br>
<span style='color:#888888'>--<br>
Ian Turton<br>
<br>
Sent from Houserville, Pennsylvania, United States</span><o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
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