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geosphere (version 1.2-15)
Spherical Trigonometry
Description
Spherical trigonometry for geographic applications
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Install
install.packages('geosphere')
Monthly Downloads
30,397
Version
1.2-15
License
GPL
Maintainer
Robert Hijmans
Last Published
November 4th, 2010
Functions in geosphere (1.2-15)
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centroid
Centroid of spherical polygons
distm
Distance matrix
plotArrows
Plot
destPointRhumb
Destination along a rhumb line
bearing
Direction of travel
gcLon
Longitude on a Great Circle
mercator
Mercator projection
greatCircleBearing
Great circle
distCosine
'Law of cosines' great circle distance
midPoint
Mid-point
daylength
Daylength
distVincentySphere
'Vincenty' (sphere) great circle distance
gcIntermediate
Intermediate points on a great circle
alongTrackDistance
Along Track Distance
antipode
Antipodes
makePoly
Add vertices to a polygon or line
geosphere-package
Geosphere
gcIntersectBearing
Intersections of two great circles
randomCoordinates
Random or regularly distributed coordinates on the globe
distVincentyEllipsoid
'Vincenty' (ellipsoid) great circle distance
wrld
World countries
horizon
Distance to the horizon
distHaversine
'Haversine' great circle distance
gcLat
Latitude on a Great Circle
distRhumb
Distance along a rhumb line
gcIntersect
Intersections of two great circles
onGreatCircle
Is a point on a given great circle?
span
Span of polygons
areaPolygon
Compute the areaPolygon of a polygon
destPoint
Destination given bearing (direction) and distance, when following a Great Circle
dist2Line
Distance between points and lines or (the border of) polygons.
crossTrackDistfance
Cross Track Distance
finalBearing
Final direction
greatCircle
Great circle
gcMaxLat
Highest latitude on a great circle
bearingRhumb
Rhumbline direction
perimeter
Compute the perimeter of a polygon