You may want to consider also this: http://www.regmas.org It calculates optimal decisions for farmers using the open source glpk optimisation library taking GIS and space explicitelly into account. It is for research models, not for a single farm, but you may be interested in the code..
Antonello Il giorno 13 marzo 2012 17:17, Walter Ludwick <[email protected]> ha scritto: > I am trying to manage operations on my farm in a more scientific way, > using QGIS as a tool for making more informed decisions. > > This involves mapping of points (e.g. fencepost) lines (e.g. irrigation > tube) and polygons (e.g. grazing paddock) and all related data across time, > to show in a graphic way how present configuration of resources compares to > a snapshot at any point in time past (i.e. historical facts) or future > (i.e. planning scenarios). > > I am using a spreadsheet (OpenOffice Calc) to record actual data values, > build history,, and project what-if scenarios. Presuming that QGIS is the > best tool for managing vectorial data about how these facts map onto the > ground, then what is the best way of integrating data from these two > applications, i wonder? > > Being not so technically inclined, i am quite apprehensive about > introducing a RDBMS into the mix (i see the PostGIS layer option available, > and gather that this enables connection to a Postgres db, which i know can > host our spreadsheet data, but…) Well: if this means there will be less > hassle about keeping data integrated between our GIS and our spreadsheets, > then i might bite the bullet and do it. What do you think? > > If anyone here has anything to recommend, or any relevant experience to > share, i would be very grateful to hear about it. Thanks for listening! > > Yours, Walt > > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > -- Antonello Lobianco Spedito da un indirizzo non presenziato
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