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geosphere (version 1.5-20)
Spherical Trigonometry
Description
Spherical trigonometry for geographic applications. That is, compute distances and related measures for angular (longitude/latitude) locations.
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1.5-20
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Install
install.packages('geosphere')
Monthly Downloads
35,946
Version
1.5-20
License
GPL (>= 3)
Maintainer
Robert Hijmans
Last Published
October 4th, 2024
Functions in geosphere (1.5-20)
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gcMaxLat
Highest latitude on a great circle
geomean
Mean location of sperhical coordinates
finalBearing
Final direction
distHaversine
'Haversine' great circle distance
onGreatCircle
Is a point on a given great circle?
gcLon
Longitude on a Great Circle
gcLat
Latitude on a Great Circle
dist2gc
Cross Track Distance
distm
Distance matrix
gcIntersect
Intersections of two great circles
intermediate
Intermediate points on a great circle (sphere)
perimeter
Compute the perimeter of a longitude/latitude polygon
horizon
Distance to the horizon
gcIntersectBearing
Intersections of two great circles
refEllipsoids
Reference ellipsoids
greatCircle
Great circle
geodesic
geodesic and inverse geodesic problem
mercator
Mercator projection
midPoint
Mid-point
span
Span of polygons
geosphere-package
Geosphere
lengthLine
Length of lines
randomCoordinates
Random or regularly distributed coordinates on the globe
greatCircleBearing
Great circle
plotArrows
Plot
makePoly
Add vertices to a polygon or line
bearingRhumb
Rhumbline direction
OSGB
Ordnance Survey for Great Britain grid reference system
antipode
Antipodes
alongTrackDistance
Along Track Distance
bearing
Direction of travel
areaPolygon
Area of a longitude/latitude polygon
distGeo
Distance on an ellipsoid (the geodesic)
dist2Line
Distance between points and lines or the border of polygons.
destPointRhumb
Destination along a rhumb line
wrld
World countries
distCosine
'Law of cosines' great circle distance
centroid
Centroid of spherical polygons
daylength
Daylength
distVincentyEllipsoid
'Vincenty' (ellipsoid) great circle distance
distVincentySphere
'Vincenty' (sphere) great circle distance
destPoint
Destination given bearing (direction) and distance
distMeeus
'Meeus' great circle distance
distRhumb
Distance along a rhumb line