[Freegis-list] Newbie Question
Nico de Haen
mail at ndh-websolutions.de
Sat Feb 18 10:50:36 CET 2006
Thank you for all the hints. As fas as I can see, there is currently
no public Web Service or public server API available, I would have to
install GRASS and implement my own web service or extend the SWIG API...
What seems strange to me is, that requests which return a raster file
are possible but quite more simple requests for just one property of a
single point aren't availabe. There has to be some kind of data base
in the back bone, where the datas for single points are stored and it
cannot be so difficult to query this data base...
Anyway, I'm not experienced with geo data at all and so maybe I
misunderstand the principals.
Since I want to publish the tool as extension for an OpenSource CMS
(Typo3) it doesn't make sense to include an application which has to
be installed on a web server. I can only include the elevation data if
there is some public access to such data, which seems not to be the
--- Original Nachricht ---
Absender: Markus Neteler
Datum: 17.02.2006 16:55
> On Thu, Feb 16, 2006 at 01:19:55PM +0100, Nico de Haen wrote:
>> I wonder if it is possible to get the altitude of a certain geographic
>> point (for which I have the Latitude and Longitude) via a web service
>> or another API from some Server in the internet.
>> I'm programming in PHP and would appreciate if someone could provide
>> an example.
>> Thanks for Help,
> GRASS comes with a prototype SWIG API
> which I would like to see extended. This could become
> the backbone to such a query which is simply the 'r.what'
> command in GRASS. Wrapping 'r.what' in SWIG, a SWIG-PHP
> interface could do what you need.
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