[GRASS-dev] v.to.db manual compactness
tutey at o2.pl
Mon Apr 9 08:15:59 EDT 2007
Bernhard Reimar Hoefle wrote:
> In the equation for compactness the parentheses are missing.
> Can somebody update it?
> It should be (checked in source):
> compactness = perimeter / (2 * sqrt(PI * area) )
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