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I'm looking for open source tools for location allocation modelling (eg planning public health facilities). Preferably in a GIS environment. I know GRASS somewhat, but v.net.alloc doesn't seem to take account of demand.

I don't know if SAGA or Sextante have something?

Thanks!

  • Is this similar to creating districts or territories, similar to they way you would create territories for a salesman? – jvangeld May 3 '11 at 19:02
  • Could you do the analysis in a software using a Cartesian system, and then just display the results? QGIS would be one free way of showing the results. – djq May 3 '11 at 21:07
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    Did you check GRASS 7? grass.osgeo.org/grass70/manuals/html70_user/vector.html There are new v.net.* modules available. – markusN May 3 '11 at 23:31
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You could try Flowmap. It is specially designed to analyse flow patterns.

You can find it here: http://flowmap.geog.uu.nl/

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  1. maxcovr package in R: https://github.com/njtierney/maxcovr. This package implements the maximal coverage location problem model and supports a range of solvers (e.g. glpk and lpSolve). It is not in a GIS environment.
  2. Location-allocation analysis in ArcMap (though not open-source):http://desktop.arcgis.com/en/arcmap/latest/extensions/network-analyst/location-allocation.htm. This tool is part of the network analysis, so it only supports the modelling on road networks.
  3. pyspatialopt package in Python: https://github.com/apulverizer/pyspatialopt. This is a library to create, solve, and analyze optimiation problems. Not in a GIS environment.

Other references:

  1. https://www.youtube.com/watch?v=qSPvxgYKAFQ: an introduction to open source tools for spatial optimization.

  2. https://en.wikipedia.org/wiki/List_of_spatial_analysis_software: a list of spatial analysis software

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