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I want to use the AHP in arcmap 10.2. I have tried using the arcscript available from

http://arcscripts.esri.com/details.asp?dbid=13764

Which was designed for Arcmap 9.2.

I was able to get as far as selecting the input rasters, but when I attempted to proceed with the next step I was met with the following error message:

Run-time error '339':

Component 'COMDLG32.OCX' or one of its dependencies is no correctly registered: a file is missing or invalid

Ideally, I would like to know how to get this script to work in arcmap 10.2.

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This tool seems to have been overhauled and is now called extAhp20 - Analytic Hierarchy Process for ArcGIS:

The provided extension is an update of the old extAHP extension (AHP 1.1) which was available for download from the old ArcScripts site. This update also computes criteria weights according to the well known Analytic Hierarchy Process (AHP) but integrates a criteria hierarchy. It is a powerful tool for the creation of suitability maps (spatial planning, risk mapping and more)! Manual and some example files included. Allows for up to 15 criteria.

It also says (with my bolding):

Developed using VS 2010. Developed for ArcGIS 10.1. Works also in 10.2. Tested in Windows 7 and 8. A 'Spatial Analyst' extension is required! Information on technical requirements is provided in the manual which will be unpacked and copied to the installation folder by the setup program.

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