AntholoGIS

January 7, 2008

Spliting shapefiles per column values

Filed under: GIS, Geoprocessing — Tags: — Eduardo Kanegae @ 10:57 pm

Take the following situation:

  • a large shapefile. E.g.: municipalities for a given country or, in my case, a collection of forestry stands grouped by projects - all stands for a given region
  • the need of spliting this shapefile per a given column ( e.g.: state, forest project ID)

What to do? ArcMap->Load large shapefile->Set Defintion Query->Export to new shapefile? In a pig´s eye!

Because I´m not an Arc power user, I always have some FOSSGIS with me:

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December 3, 2007

Spatially enabling Microsoft SQL Server 2005

Filed under: GIS, Spatial Databases — Tags: , , — Eduardo Kanegae @ 8:24 pm

Before Microsoft SQL Server 2005 comes up, users of this database wanting to handle spatial data had basically 3 options:

  • ESRI ArcSDE - which means purchasing SDE licenses and probably some other ESRI product for data maintenance
  • TerraLib - an OpenSource option including TerraView as default user interface. But, just like ArcSDE, TerraLib has its own data access model and won´t permit the use of spatial SQL
  • or upgrade to SQL Server 2008 and finally enable spatial support natively from Microsoft

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October 29, 2007

MapServer 5.0 released

Filed under: GIS, Web Mapping — Tags: , , — Eduardo Kanegae @ 12:10 am

Seattle, Washington/U.S.A., 2007-09-19 [pt-BR]

The Open Source Geospatial Foundation proudly announced that version 5.0 of MapServer web mapping platform is available for download from the project website.

MapServer 5.0 is the first major release since version 4.0 in July of 2003. While there have been regular releases every 6 months or so this is the first time developers felt the new feature set warranted the “major release” label.
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