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geosphere (version 1.3-13)
Spherical Trigonometry
Description
Spherical trigonometry for geographic applications. That is, compute distances and related measures for angular (longitude/latitude) locations.
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Install
install.packages('geosphere')
Monthly Downloads
39,022
Version
1.3-13
License
GPL (>= 3)
Maintainer
Robert Hijmans
Last Published
April 11th, 2015
Functions in geosphere (1.3-13)
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areaPolygon
Compute the areaPolygon of a polygon
alongTrackDistance
Along Track Distance
onGreatCircle
Is a point on a given great circle?
dist2Line
Distance between points and lines or the border of polygons.
distHaversine
'Haversine' great circle distance
daylength
Daylength
makePoly
Add vertices to a polygon or line
destPointRhumb
Destination along a rhumb line
centroid
Centroid of spherical polygons
dist2gc
Cross Track Distance
geosphere-package
Geosphere
span
Span of polygons
distRhumb
Distance along a rhumb line
mercator
Mercator projection
gcMaxLat
Highest latitude on a great circle
distCosine
'Law of cosines' great circle distance
midPoint
Mid-point
gcLat
Latitude on a Great Circle
distVincentyEllipsoid
'Vincenty' (ellipsoid) great circle distance
gcIntermediate
Intermediate points on a great circle
distm
Distance matrix
bearing
Direction of travel
wrld
World countries
perimeter
Compute the perimeter of a polygon
geomean
Mean location of sperhical coordinates
plotArrows
Plot
gcIntersect
Intersections of two great circles
greatCircle
Great circle
horizon
Distance to the horizon
greatCircleBearing
Great circle
gcIntersectBearing
Intersections of two great circles
destPoint
Destination given bearing (direction) and distance, when following a Great Circle
antipode
Antipodes
randomCoordinates
Random or regularly distributed coordinates on the globe
bearingRhumb
Rhumbline direction
gcLon
Longitude on a Great Circle
finalBearing
Final direction
distVincentySphere
'Vincenty' (sphere) great circle distance
distMeeus
'Meeus' great circle distance