Anyone knows a free GIS software that implements the Analytic Hierarchical Process (or its fuzzy extended version) ?

And while asking, have anyone had any experience with a commercial GIS that implements this process, if so, it would be nice to share it. Doing research, I've come to understand that IDRISI 17 implements it, ArcGIS has a extension as well.

We intend to apply Fuzzy AHP to identify waste disposal areas, the hierarchy and layers are already prepared but we're still yet to find a tool to automate the calculations (weights of criterias), if we find none, we think about going the MATLAB way but I would here be keen to receive your suggestions.



Look at GRASS GIS, MCDA in GRASS, and the addon module:

  • r.mcda.ahp - generate a raster map classified with analytic hierarchy process (AHP) for GRASS 7
  • r.mcda.ahp - idem for for GRASS 6

The modules (r.mcda.electre, r.mcda.fuzzy, r.mcda.regime, r.mcda.roughset and r.mcda.ahp) are explained in MCDA-GIS integration: an application in GRASS GIS 6.4 (Massei G., Rocchi L., Paolotti L., Greco S., Boggia A.)

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you have an ahp function in grass

r.mcda.ahp - Generate a raster map classified with analytic hierarchy process (AHP).

I've used it with IDRISI in the past and it worked well.

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  • Which version of IDRISI have you used ? – Akheloes Mar 26 '14 at 9:23
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    it was idrisi 32, and also "Andes" – radouxju Mar 26 '14 at 9:33
  • Any chance Taiga has it ? – Akheloes Mar 26 '14 at 9:37
  • idrisi 32 was before Taiga, so I think that it should be included in Taiga too. – radouxju Mar 26 '14 at 10:13

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