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geosphere (version 1.2.1)
Spherical Trigonometry
Description
Spherical trigonometry for geographic applications
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Install
install.packages('geosphere')
Monthly Downloads
35,231
Version
1.2.1
License
GPL
Maintainer
Robert Hijmans
Last Published
May 1st, 2010
Functions in geosphere (1.2.1)
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gcMaxLat
Highest latitude on a great circle
greatCircleBearing
Great circle
areaPolygon
Compute the areaPolygon of a polygon
gcIntersect
Intersections of two great circles
alongTrackDistance
Along Track Distance
span
Span of polygons
gcIntermediate
Intermediate points on a great circle
distm
Distance matrix
distVincentySphere
'Vincenty' (sphere) great circle distance
daylength
date routines
horizon
distance to horizon
midPoint
Mid-point
perimeter
Compute the perimeter of a polygon
distCosine
'Law of cosines' great circle distance
greatCircle
Great circle
gcLon
Longitude on a Great Circle
destPointRhumb
Destination along a rhumb line
makePoly
make a polygon
distHaversine
'Havesine' great circle distance
distRhumb
Distance along a rhumb line
finalBearing
Final direction
centroid
centroid of polygons
gcLat
Latitude on a Great Circle
gcIntersectBearing
Intersections of two great circles
destPoint
Destination given bearing (direction) and distance, when following a Great Circle
mercator
Mercator projection
wrld
World countries
crossTrackDistance
Cross Track Distance
bearing
bearing of travel
antipode
Antipodes
geosphere-package
Geosphere
bearingRhumb
Rhumbline direction
distVincentyEllipsoid
'Vincenty' (ellipsoid) great circle distance