m.measure(1grass) | Grass User's Manual | m.measure(1grass) |
m.measure - Measures the lengths and areas of features.
miscellaneous, measurement, distance, area
m.measure
m.measure --help
m.measure [-g]
coordinates=east,north[,east,north,...]
[units=string] [--help] [--verbose]
[--quiet] [--ui]
m.measure provides the user with a way to measure the lengths and areas of lines and polygons. Areas can be stated in acres, hectares, square miles, square meters and square kilometers.
Distance example in a latitude-longitude location (on great
circle, i.e. an orthodrome):
Bonn_DE="7.09549,50.73438" Philadelphia_US="-75.16379,39.95233" m.measure coordinates="$Bonn_DE,$Philadelphia_US" units=kilometers Length: 6217.916452 kilometers
Visualization (with d.geodesic) of m.measure distance example
As an example for the North Carolina sample dataset, here four
points describing a square of 1000m side length:
m.measure units=meters \
coordinates=922000,2106000,923000,2106000,923000,2107000,922000,2107000 Length: 3000.000000 meters Area: 1000000.000000 square meters # script style output: m.measure -g units=hectares \
coordinates=922000,2106000,923000,2106000,923000,2107000,922000,2107000 units=meters,square meters length=3000.000000 area=1000000.000000
d.geodesic
Glynn Clements
Some updates by Martin Landa, CTU in Prague, Czech Republic
Derived from d.measure by James Westervelt, Michael Shapiro, U.S. Army
Construction Engineering Research Laboratory
Last changed: $Date: 2017-11-11 19:59:24 +0100 (Sat, 11 Nov 2017) $
Available at: m.measure source code (history)
Main index | Miscellaneous index | Topics index | Keywords index | Graphical index | Full index
© 2003-2019 GRASS Development Team, GRASS GIS 7.6.0 Reference Manual
GRASS 7.6.0 |