[GRASS-user] v.centerpoint: area geometric median calculations

[RichardCooper]

Hi,

I'm using the v.centerpoint addon to determine the* centre point of an area
(a country vector layer in degrees lat/long)*, and understand from the
manual that the geometric median will give a more robust answer than the
center of gravity with regard to possible outliers.

My query: for determining the centre of an area, is either of the median
calculations (minimum distance to area triangulation or boundary segments)
preferable? Is one more robust than the other, or is one method more widely
used? 

Thanks very much for your comments.

Cheers,
Richard

*http://grass.osgeo.org/grass70/manuals/addons/v.centerpoint.html



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