Define sampling areas -Moving window Use keyboard to define moving window dimension -Circle What radius size (in metres)?
Here you can use only an integer radius, if you try with a real number the tool shows an alert window: "Type integer values" 2014-08-23 16:38 GMT+02:00 Markus Neteler <[email protected]>: > On Fri, Aug 22, 2014 at 7:48 PM, Sergio Vignali > <[email protected]> wrote: > > the version is the 6.4.4, but I think if I use an integer radius it's > only a > > little approximation... > > Could you explain a bit more what you mean with "integer radius"? > > > 2014-08-22 12:18 GMT+02:00 Sergio Vignali <[email protected]>: > > > >> Hi, > >> I want to use the r.li module in grass with a circular moving window to > >> calculate the Shannon index, > >> but I need to have a window of 1 km2 so I need of a not integer radius. > >> This seems not possible, any suggestion to do that? > > Do you refer to the choices in "Definition of creation of sampling area:" > - Whole map layer: use entire area selected above, > - Regions: select one to many subareas via mouse, > - Sample units: automated selection of sampling area (for details see > below) > - Random nonoverlapping, > [...] > > (List from http://grass.osgeo.org/grass64/manuals/r.li.setup.html) > > Would you like to see also "Circle" there? > > Perhaps it could be added to > http://grass.osgeo.org/grass70/manuals/g.gui.rlisetup.html > > Markus > -- Sergio Vignali
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