Hi,
can you try setting the non-stardard HTML property on the created iframe,
i.e. in OpenLayers.Tile.Image.IFrame add a line to the createIFrame
function:
OpenLayers.Event.observe(iframe, 'load',
OpenLayers.Function.bind(onload, this));
// add this
iframe.allowTransparency = true;
return iframe;
Best regards,
Bart
>
> Hi,
>
> I'm currently implementing "highlighting" functionality in my application
> using a wms overlay (similar to the ideas presented here:
> http://trac.openlayers.org/wiki/Highlighting), and I've got it to work
> using
> both client side sld (SLD_BODY) and remote/server-side SLD. And also
> using
> POST for a getMap request with sld xml.
>
> But because of some "Request URI too long" issues when applying filter on
> FeatureIds, I've been trying to make use of the WMS.Post layer
> implementation.
>
> In my sld I have defined a highlighting style, which basically is a
> semi-transparent (50%) yellow version of the feature that is put on top so
> that you still can see the original feature below. This is for example my
> polygon highlight definition:
>
>
> <PolygonSymbolizer>
> <Fill>
> <CssParameter name="fill">#e7cf00</CssParameter><CssParameter
> name="fill-opacity">0.5</CssParameter>
> </Fill>
> <Stroke>
> <CssParameter name="stroke">#c9b400</CssParameter>
> <CssParameter name="stroke-width">1</CssParameter>
> <CssParameter name="stroke-opacity">0.5</CssParameter>
> </Stroke>
> </PolygonSymbolizer>
>
>
> What is strange though, is that it seems that IE doesn't respect the
> fill-opacity parameters. The tile I get back when using WMS.Post overlays
> properly, but the feature itself does not have an opacity of 0.5, it's not
> transparent. If I switch back to standard WMS layer, it works immediately.
>
> Here two images that shows the difference between IE and FF.
>
> In Firefox:
>
> http://osgeo-org.1803224.n2.nabble.com/file/n5530378/ff_opacity-works.png
>
> And in Internet Explorer:
>
> http://osgeo-org.1803224.n2.nabble.com/file/n5530378/ie_opacity-fails.png
>
> Does anyone have a clue to why this is?
>
> My javascript code that creates the layer is like this:
>
> higlightLayer = new OpenLayers.Layer.WMS.Post(wmsId,
> highlightUrl, {
> layers : layerName,
> 'includeFids': includeFidsArray,
> format : 'image/png',
> transparent : true
>
> }, {
> singleTile : true,
> unsupportedBrowsers:
> notSupportedBrowsers
> });
> higlightLayer.setIsBaseLayer(false);
> higlightLayer.setVisibility(true);
>
>
> Any help would be greatly appreciated,
>
> Regards
>
> Eivind
> --
> View this message in context:
> http://osgeo-org.1803224.n2.nabble.com/Combination-of-Layer-WMS-Post-and-IE-7-8-seems-to-have-problems-with-fill-opacity-defined-in-sld-tp5530378p5530378.html
> Sent from the OpenLayers Users mailing list archive at Nabble.com.
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