[Nodeshot] two example of interactive elevation profile processing using gmap

[Giuseppe De Marco]

DEM files usually, in base of their resolution in pixel, could take from
300MB to 1GB, for italy.
If a django view could open a file of that dimension, honestly, it could
have a bad impact to server load.

If you think to use Google maps this avoids the problem because Google gave
us a querable service that runs the game as expected.
If you think to use OpenLayers this implies to setup a WebProcessingSystem
and the DEM shoud be imported inside PostGIS for performance needs.

this could be drawn splitting nodeshot from WPS to separate servers, and
then integrating it inside a django view with a simple sort of ping that
returns results of WPS unavailibility.
This because use nodeshot on a postgis DB could be problematic for smart DB
backup and development branchs.




2013/11/20 Luca Pretto <luca.pretto at gmail.com>

> On 11/20/2013 12:02 AM, Giuseppe De Marco wrote:
>
> http://www.katapi.org.uk/Maps/GoogleMaps/GMv3-elevation-profile.html
> http://www.heywhatsthat.com/profiler.html
>
>
> This would be really great! :)
> (Since I keep using Ubiquiti AirLink to achieve the same result)
>
>
> Il giorno 20/nov/2013, alle ore 11:13, Nemesis <nemesis at ninux.org> ha
> scritto:
>
> Do you know also any other alternative to the Google Maps / Earth API?
>
>
> Probably this would be a pain to integrate, but.. is maybe possible to
> directly use DEM <http://en.wikipedia.org/wiki/USGS_DEM> files, just like
> the OruxMaps app does?
>
>
> Luca
>
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