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@@ -42,16 +42,11 @@ recognisable when seen on a picture.
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To add new reference points, go to the Django admin, for instance at
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<http://localhost:8000/admin/panorama/referencepoint>.
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-You need a name, GPS coordinates, and an altitude. The altitude is relative to
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-the sea level, so you need to figure out the ground altitude and add the height
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-of the reference point (e.g. height of the building).
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-In the future, the ground altitude will be computed automatically.
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-
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-In the meantime, you can use the geonames API to get the ground altitude:
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-
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- lat=42.4
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- lon=0.54
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- curl "http://api.geonames.org/astergdem?lat=$lat&lng=$lon&username=celutz&style=full"
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+You need a name, GPS coordinates, and an altitude. The altitude is relative to
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+the sea level. Celutz queries ground elevation
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+from [geonames api](http://www.geonames.org/export/web-services.html), you
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+still have to add the height of the reference point (e.g. height of the
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+building).
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*Hint: it is better to set the altitude of the topmost part of a building.
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This is because it will be much easier to aim when viewing a panorama.*
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