[QGIS-trac] Re: [Quantum GIS] #3167: calculation of ruggedness

Quantum GIS qgis at qgis.org
Sun Oct 31 13:43:28 EDT 2010


#3167: calculation of ruggedness
-----------------------------------------------------+----------------------
        Reporter:  tsw                               |         Owner:  nobody       
            Type:  bug                               |        Status:  closed       
        Priority:  major: does not work as expected  |     Milestone:  Version 1.6.0
       Component:  Rasters                           |       Version:               
      Resolution:  wontfix                           |      Keywords:  ruggeness    
Platform_version:                                    |      Platform:  All          
        Must_fix:  No                                |   Status_info:  0            
-----------------------------------------------------+----------------------
Changes (by mhugent):

  * status:  new => closed
  * resolution:  => wontfix


Comment:

 Ruggedness index is calculated according to Riley et al. 1999 (see
 corrected formula in
 http://www.fw.msu.edu/~rileysh2/Terrain%20Ruggedness%20Index.pdf). There
 is no division by the number of pixels, only the root of the squares is
 taken.

-- 
Ticket URL: <http://trac.osgeo.org/qgis/ticket/3167#comment:1>
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