ShapeLib is a C library for development of applications to read/write ESRI ShapeFiles. It’s used by many FOSS-GIS projects and at its website you can also find bindings for Perl, Python, Ruby, Delphi, Tcl, .NET and PHP. ShapeLib package also include some nice tools for Shapefile handling. These tools are simple and powerfull command line gadgets that output messages at the console or generate new shapefiles.
This page is an updated version of “ShapeLib Tools – User Guide” created in 2004.
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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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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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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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