[postgis-users] Google Earth/PostGIS integration

[TECHER David]

Hi

Did U have some interesting URL ( WMS->GE gateways) to give us for that.

Thanks

--david;

Craig Miller a e'crit:

>There are a couple of WMS->GE gateways.  You could use one of those to load
>the GE basemap as a WMS layer, then put the PostGIS data on top of it.
>
>--Craig
> 
>
>-----Original Message-----
>From: postgis-users-bounces at postgis.refractions.net
>[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Ezequias
>Rodrigues da Rocha
>Sent: Tuesday, May 23, 2006 10:20 AM
>To: PostGIS Users Discussion
>Subject: Re: [postgis-users] Google Earth/PostGIS integration
>
>Sure it is nice. I just thought it could be more easy do a postgis
>connection with Google Maps. But  how to connect (or just see) this bases ?
>
>I have a desktopGIS with me and would like how to load a layer on Google.
>
>Regards
>Ezequias
>
>Brian Timoney escreveu:
>  
>
>>Jim:
>>
>>With time a little short these days, I'll simply sketch out a few key 
>>points--
>>
>>1)  The viewbox parameters for Google Earth (bbox, tilt, heading, 
>>range, etc.) can be read by a server script (PHP, ASP, CFM, etc.) via 
>>a Network Links layer in GE.
>>
>>2)  Now that you have a handle on where the viewer is looking, how far 
>>they're zoomed in, etc., you can craft SQL queries to do perform 
>>geoprocessing operations (e.g. clipping), etc.  Again, using 
>>server-side scripting, you can then query your PostGIS db on the back-end.
>>
>>3)  The Geometry specifications for Googles KML (Keyhole Markup 
>>Language) are very similar to the OGC's GML standard.  So pulling 
>>geometry out of PostGIS using the 'AsGML(the_geom)' function gets you 
>>90% home in terms of converting query responses back into KML.
>>
>>4)  Applying the appropriate MIME types to the KML you send out from 
>>the server will ensure that the receiving browser knows to shuttle the 
>>response to the GE interface.
>>
>>5)  Using GE's internal web browser (Windows only), is a handy way of 
>>keeping the user in the general "environment" even though technically 
>>the bulk of the data transaction is taking place between web browser and
>>    
>>
>server.
>  
>
>>Hope this is helpful,
>>
>>
>>Brian
>>
>>
>>
>>
>>
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>>
>>
>>-----------------------
>>The Timoney Group
>>518 17th Street
>>Suite 430
>>Denver, CO  80206
>>
>>Ph:  (303) 929-3722
>>Fax: (303) 571-4304
>>
>>www.thetimoneygroup.com
>>-----------------------
>>
>>
>>
>>
>>
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>>
>>
>>-----------------------
>>The Timoney Group
>>518 17th Street
>>Suite 430
>>Denver, CO  80206
>>
>>Ph:  (303) 929-3722
>>Fax: (303) 571-4304
>>
>>www.thetimoneygroup.com
>>-----------------------
>>
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>>  
>>    
>>
>
>--
>Ezequias Rodrigues da Rocha
>http://ezequiasrocha.blogspot.com
>msn:ezequias at hotmail.com
>"the worst of democracies is still better than the best of dictatorship"
>
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