Google Earth

[Steven De Vriendt]

I have some data with projected in 31300, when I change my wms settings to
4326, there's quite some shift in Google Earth. Made a screenshot at:

http://img516.imageshack.us/img516/1986/shiftex6.jpg

Steven


On Dec 7, 2007 3:40 PM, Milo van der Linden <mlinden at zeelandnet.nl> wrote:

>  For wms layers to show up in Google Earth, you generate a groundoverlay.
> The projection of the mapfile or layers itself is not so important, as long
> as the wms service is able to publis in epsg:4326.
>
> This means that in your map metadata you need to have something like:
>
> METADATA
>    "wms_title" "My WMS map"
>    "wms_srs" "EPSG:4326 EPSG:28992"
>    "wms_onlineresource"
> "http://www.myserver.com/cgi-bin/mapserv.exe?map=somemap.map"<http://www.myserver.com/cgi-bin/mapserv.exe?map=somemap.map>
>   END
>
> where you separate the supported projections with spaces.
>
>
> When you create a GroundOverlay, Google generates the following kml
> snippet:
>
> Make sure to add the STYLES= to the end of the request or mapserver will
> generate a wrong result (this is for my 5.0 installation)
>
> <GroundOverlay>
>             <name>Terreincontouren</name>
>             <color>adffffff</color>
>             <Icon>
>                 <href>
> http://www.myserver.com/cgi-bin/mapserv.exe?map=somemap.map&amp;VERSION=1.1.1&amp;REQUEST=GetMap&amp;SRS=EPSG:4326&amp;WIDTH=1024&amp;HEIGHT=1024&amp;LAYERS=aLayer&amp;TRANSPARENT=TRUE&amp;FORMAT=image/png&amp;STYLES=&amp<http://www.myserver.com/cgi-bin/mapserv.exe?map=somemap.map&VERSION=1.1.1&REQUEST=GetMap&SRS=EPSG:4326&WIDTH=1024&HEIGHT=1024&LAYERS=aLayer&TRANSPARENT=TRUE&FORMAT=image/png&STYLES=&amp>
> ;</href>
>                 <viewRefreshMode>onStop</viewRefreshMode>
>             </Icon>
>             <LatLonBox>
>                 <north>52.43886219516767</north>
>                 <south>52.19180808173348</south>
>                 <east>5.137624941169889</east>
>                 <west>4.652306951338773</west>
>             </LatLonBox>
>         </GroundOverlay>
>
>
>
> It is also possible to show a mapserver legend in Google Earth with the
> following kml snippet:
>
> <ScreenOverlay>
>         <visibility>1</visibility>
>             <name>Legenda - Percelen</name>
>             <Icon>
>                 <href>
> http://www.myserver.com/cgi-bin/mapserv.exe?map=somemap.map&amp;VERSION=1.1.1&amp;REQUEST=GetLegendGraphic&amp;LAYER=aLayer&amp;Format=image/png<http://www.myserver.com/cgi-bin/mapserv.exe?map=somemap.map&VERSION=1.1.1&REQUEST=GetLegendGraphic&LAYER=aLayer&Format=image/png>
> </href>
>             </Icon>
>             <overlayXY x="0" y="1" xunits="fraction" yunits="fraction"/>
>             <screenXY x="0" y="1" xunits="fraction" yunits="fraction"/>
>             <rotationXY x="0.5" y="0.5" xunits="fraction"
> yunits="fraction"/>
>             <size x="-1" y="-1" xunits="pixels" yunits="pixels"/>
>         </ScreenOverlay>
>
>
> If you embed these snippets in a kml file, you can see what happens.
>
>
> Hans Castorp schreef:
>
>  Hi to all,
>
>
>
> It's possible to visualize wms layers from mapserver using Google Earth??
> I'm trying to do it but I'm always receiving an error saying that the wms
> server does not have layer that google earth could process. I think this
> could be something about my map file configuration. Is there any trick??
>
>
>
> PD: I'm serving GeoTiff and shape layers.
>
>
>
> Thanks in advance.
>
>
>
>
>
> Hans Castorp
>
>
>
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>
>
>
> --
>
>
>  Milo van der Linden
> skype: milovanderlinden
> mlinden at zeelandnet.nl
> milovanderlinden at gmail.com
> milo at 3dsite.nl
> http://www.3dsite.nl
>
>
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>
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