Nicolas Clavaud a écrit :
> i was wondering if you ever though of a GIS add-on (Geographical
> Information
> System) for openoffice? i mean an extension of the 'openoffice base'
> program, adding geographical functionnalities, i.e. linking each row of a
> database sheet to a geographical object, and enabling the user to proceed
> geographical requests (for example, "which are the elements located less
> than 100 feets from another element", etc.), view maps, etc.
> it may already exists, or be under development, so i ask?
There is a begining there, which is already one year old:
http://www.geotools.fr/addin-openoffice/
I never had the time to translate the web pages to English. However the addin
itself is in English. This addin add transformation formulas to Calc. The EPSG
database (which contains 3000+ coordinate reference systems used around the
world) is bundled with it. For example in order to transform coordinates from
"WGS 84 / UTM zone 58S" to "IGN72 Grande Terre / UTM zone 58S", one can write:
=TRANSFORM.COORD(reference_to_coordinates, "EPSG:32758", "EPSG:3060")
where "EPSG:32758" and "EPSG:3060" are the EPSG codes for the Coordinate
Reference Systems mentionned above.
The addin is open source undel LGPL license. Source code is available there:
http://svn.geotools.org/geotools/trunk/gt/modules/extension/openoffice/
It is actually a thin wrapper around the Geotools.org library, which is a much
wider project. For now only coordinate transformations services are provided in
Calc (and yet only a fraction of Geotools capabilities in that area), but
Geotools has much more features (reading many file formats like shapefile,
rendering, some raster support, web services, etc.). We never had the time to
map more features to OpenOffice up to date, but it still something that I would
like to do in an undertermined future.
Martin
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