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geosphere (version 1.4-3)
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
31,638
Version
1.4-3
License
GPL (>= 3)
Maintainer
Robert Hijmans
Last Published
July 1st, 2015
Functions in geosphere (1.4-3)
Search all functions
dist2gc
Cross Track Distance
bearingRhumb
Rhumbline direction
centroid
Centroid of spherical polygons
intermediate
Intermediate points on a great circle (sphere)
greatCircleBearing
Great circle
bearing
Direction of travel
antipode
Antipodes
finalBearing
Final direction
areaPolygon
Area of a longitude/latitude polygon
geomean
Mean location of sperhical coordinates
destPoint
Destination given bearing (direction) and distance
alongTrackDistance
Along Track Distance
gcLon
Longitude on a Great Circle
wrld
World countries
gcMaxLat
Highest latitude on a great circle
dist2Line
Distance between points and lines or the border of polygons.
horizon
Distance to the horizon
midPoint
Mid-point
onGreatCircle
Is a point on a given great circle?
geosphere-package
Geosphere
distHaversine
'Haversine' great circle distance
randomCoordinates
Random or regularly distributed coordinates on the globe
daylength
Daylength
gcIntersect
Intersections of two great circles
distMeeus
'Meeus' great circle distance
greatCircle
Great circle
distVincentySphere
'Vincenty' (sphere) great circle distance
gcIntersectBearing
Intersections of two great circles
geodesic
geodesic and inverse geodesic problem
mercator
Mercator projection
distVincentyEllipsoid
'Vincenty' (ellipsoid) great circle distance
distRhumb
Distance along a rhumb line
span
Span of polygons
perimeter
Compute the perimeter of a longitude/latitude polygon
makePoly
Add vertices to a polygon or line
distCosine
'Law of cosines' great circle distance
distm
Distance matrix
distGeo
Distance on an ellipsoid (the geodesic)
plotArrows
Plot
destPointRhumb
Destination along a rhumb line
gcLat
Latitude on a Great Circle