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geosphere (version 1.2-21)
Spherical Trigonometry
Description
Spherical trigonometry for geographic applications
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Install
install.packages('geosphere')
Monthly Downloads
30,397
Version
1.2-21
License
GPL
Maintainer
Robert Hijmans
Last Published
May 25th, 2011
Functions in geosphere (1.2-21)
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distCosine
'Law of cosines' great circle distance
bearing
Direction of travel
distRhumb
Distance along a rhumb line
gcIntermediate
Intermediate points on a great circle
greatCircleBearing
Great circle
distVincentySphere
'Vincenty' (sphere) great circle distance
destPoint
Destination given bearing (direction) and distance, when following a Great Circle
midPoint
Mid-point
span
Span of polygons
dist2gc
Cross Track Distance
wrld
World countries
onGreatCircle
Is a point on a given great circle?
gcLon
Longitude on a Great Circle
alongTrackDistance
Along Track Distance
areaPolygon
Compute the areaPolygon of a polygon
perimeter
Compute the perimeter of a polygon
finalBearing
Final direction
distm
Distance matrix
gcIntersectBearing
Intersections of two great circles
plotArrows
Plot
greatCircle
Great circle
antipode
Antipodes
destPointRhumb
Destination along a rhumb line
centroid
Centroid of spherical polygons
randomCoordinates
Random or regularly distributed coordinates on the globe
distMeeus
'Meeus' great circle distance
distHaversine
'Haversine' great circle distance
gcLat
Latitude on a Great Circle
makePoly
Add vertices to a polygon or line
bearingRhumb
Rhumbline direction
distVincentyEllipsoid
'Vincenty' (ellipsoid) great circle distance
daylength
Daylength
gcMaxLat
Highest latitude on a great circle
geosphere-package
Geosphere
dist2Line
Distance between points and lines or (the border of) polygons.
gcIntersect
Intersections of two great circles
horizon
Distance to the horizon
mercator
Mercator projection