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Geoportail vs Google Earth 3d
Posted: 08 August 2007 05:35 PM  
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Geoportail, the French Google Earth and run by the state cartography service, has just launched the Beta of their 3D visualization service. Rather than invent the wheel they have used the Terraexplorer software. We decided to take it for a test fly over our local mountain, the Dent de Crolles.

geo-dent
Geoportail Dent de Crolles

ge-dent
and Google Earth

The Geoportail image is rendered slightly more precisely, there is none of the rounding that you get with Google Earth. Advantage, albeit slight, to the French.

Next we zoomed into the ruined barn on the bottom of the photograph.

geo-barn
Geoportail

ge-barn
Google Earth

Here the advantage is definitely with Google Earth. A more detailed, clearer image and the 3D engine is much better at this resolution.

Google Earth will also remain the favourite of anyone spying on French military installations

geo-monge
Geoportail

ge-monge
Google Earth

Here Google Earth renders top secret French missile ship la Monge in all its glory whereas Geoportail is a good deal more discreet.

On an interface level Terraexplorer is hypersensitive to any movements and is harder to pilot. The real killer for me is that this version of Terraexplorer is not open, you can’t add your own routes or waypoints, talk to a GPS or look at community waypoints and information. On this level one gets the impression that the civil servants at the IGN still just don’t get it

More info:
http://www.geoportail.fr/5061756/actu/5065760/decouvrez-le-geoportail-en-3d.htm
http://earth.google.com/

 
 
Posted: 08 August 2007 05:42 PM   [ # 1 ]  
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Here are a few of our ski touring and off-piste routes rendered with Google-Earth. Most data taken on the Ground with Garmin Etrex and Geko 201 GPS

http://pistehors.com/pistehors/google-earth/Betta.kmz
http://pistehors.com/pistehors/google-earth/Casset.kmz
http://pistehors.com/pistehors/google-earth/Cohardin.kmz
http://pistehors.com/pistehors/google-earth/Col-de-la-Porte.kmz
http://pistehors.com/pistehors/google-earth/Col-du-Lauteret.kmz
http://pistehors.com/pistehors/google-earth/Glandon.kmz
http://pistehors.com/pistehors/google-earth/Gleyzin.kmz
http://pistehors.com/pistehors/google-earth/Grands-Moulins.kmz
http://pistehors.com/pistehors/google-earth/Hohneck.kmz
http://pistehors.com/pistehors/google-earth/Jas-Lievres.kmz
http://pistehors.com/pistehors/google-earth/La-Grave.kmz
http://pistehors.com/pistehors/google-earth/Les-Arcs.kmz
http://pistehors.com/pistehors/google-earth/Lauziere.kmz
http://pistehors.com/pistehors/google-earth/Les-Karellis.kmz
http://pistehors.com/pistehors/google-earth/Les-Pres.kmz
http://pistehors.com/pistehors/google-earth/Prabert.kmz
http://pistehors.com/pistehors/google-earth/Rocher-Blanc.kmz
http://pistehors.com/pistehors/google-earth/Valloire.kmz
http://pistehors.com/pistehors/google-earth/Val-Thorens.kmz
http://pistehors.com/pistehors/google-earth/Vaujany.kmz