Hi Shaun,
out of the box, and from a general point of view, I don't believe this is
feasible, because GeoServer will try to link
back to itself either to generate the actual KML only when you are zoomed
in enough, using a static image when
you are too far away from the ground, and when it does, it will link back
to itself for generality sake, in order to
render all types of graphics (not just ones that are already online, and
even for those, it's hard to tell if the
graphic is available only to the server, because it's referencing some
other server in DMZ, or also to the client).
For the restricted case where you are trying to get the KML features right
away (dump mode) and you are telling
GeoServer that icons are available also to the client (under your
responsibility) it could be made to work... but only
with some code changes, and adding a new request parameter to
enable/disable "live icons" (that is, backlinks
to GeoServer that will make GS generate PNGs of the icons based on a local
style reference).
If you are interested in such improvement read here:
https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer
Cheers
Andrea
On Sat, Jul 16, 2016 at 3:51 AM, Shaun Taggart <[email protected]>
wrote:
> Hello all!
>
> I should first start by saying I am not sure what I am trying to do is
> possible. Although geoserver is pretty sweet and haven't found much that I
> could not do :)
>
>
> I am trying to use the KML reflector and attach a remote sld url in the
> request. The sld in question has an ExternalGraphic, but I have also tried
> with just a general color style and I get the same exception. The sld that
> is generated looks like this:
>
> <StyledLayerDescriptor
> xmlns="http://www.opengis.net/sld";
> xmlns:ogc="http://www.opengis.net/ogc";
> xmlns:xlink="http://www.w3.org/1999/xlink";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> version="1.0.0"
> xsi:schemaLocation="http://www.opengis.net/sld
> StyledLayerDescriptor.xsd">
> <NamedLayer>
> <Name>cite:mylayer</Name>
> <UserStyle>
> <Title>My Layer</Title>
> <FeatureTypeStyle>
> <Rule>
> <PointSymbolizer>
> <Graphic>
> <ExternalGraphic>
> <OnlineResource xlink:type="simple"
> xlink:href="http://maps.google.com/mapfiles/kml/paddle/blu-circle.png"/>
> <Format>image/png</Format>
> </ExternalGraphic>
> <Size>64</Size>
> </Graphic>
> </PointSymbolizer>
> </Rule>
> </FeatureTypeStyle>
> </UserStyle>
> </NamedLayer>
> </StyledLayerDescriptor>
>
>
> And the exception I get is:
>
> 15 Jul 15:50:10 ERROR [geoserver.ows] -
> java.lang.NullPointerException
> at
> org.geoserver.kml.decorator.PlacemarkStyleDecoratorFactory$PlacemarkStyleDecorator.setLiveIconStyle(PlacemarkStyleDecoratorFactory.java:259)
> at
> org.geoserver.kml.decorator.PlacemarkStyleDecoratorFactory$PlacemarkStyleDecorator.setIconStyle(PlacemarkStyleDecoratorFactory.java:204)
> at
> org.geoserver.kml.decorator.PlacemarkStyleDecoratorFactory$PlacemarkStyleDecorator.decorate(PlacemarkStyleDecoratorFactory.java:102)
> at
> org.geoserver.kml.sequence.FeatureSequenceFactory$FeatureGenerator.next(FeatureSequenceFactory.java:121)
> at
> org.geoserver.kml.sequence.FeatureSequenceFactory$FeatureGenerator.next(FeatureSequenceFactory.java:80)
> at
> org.geoserver.kml.sequence.SequenceList$GeneratorIterator.<init>(SequenceList.java:29)
> at org.geoserver.kml.sequence.SequenceList.iterator(SequenceList.java:63)
>
>
> A couple things:
> * The SLD works great when used in a simple WMS request with
> format=image/png
> * I was trying a more complex OnlineResource that had CQL, but moved to
> a simple google icon that I know is available
>
> So the question is, can I use an SLD to generate icons with the KML
> reflector? Can the sld come from a remote server? If yes, any idea on
> what I might be doing wrong?
>
>
> Thanks,
> Shaun
>
>
> ------------------------------------------------------------------------------
> What NetFlow Analyzer can do for you? Monitors network bandwidth and
> traffic
> patterns at an interface-level. Reveals which users, apps, and protocols
> are
> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
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--
==
GeoServer Professional Services from the experts! Visit
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==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
Via di Montramito 3/A
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fax: +39 0584 1660272
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