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geosphere (version 1.2-19)
Spherical Trigonometry
Description
Spherical trigonometry for geographic applications
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Install
install.packages('geosphere')
Monthly Downloads
31,638
Version
1.2-19
License
GPL
Maintainer
Robert Hijmans
Last Published
January 31st, 2011
Functions in geosphere (1.2-19)
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finalBearing
Final direction
alongTrackDistance
Along Track Distance
bearingRhumb
Rhumbline direction
distRhumb
Distance along a rhumb line
antipode
Antipodes
gcIntermediate
Intermediate points on a great circle
gcLon
Longitude on a Great Circle
bearing
Direction of travel
gcLat
Latitude on a Great Circle
gcIntersectBearing
Intersections of two great circles
span
Span of polygons
makePoly
Add vertices to a polygon or line
gcMaxLat
Highest latitude on a great circle
randomCoordinates
Random or regularly distributed coordinates on the globe
greatCircleBearing
Great circle
dist2Line
Distance between points and lines or (the border of) polygons.
distVincentyEllipsoid
'Vincenty' (ellipsoid) great circle distance
destPoint
Destination given bearing (direction) and distance, when following a Great Circle
onGreatCircle
Is a point on a given great circle?
horizon
Distance to the horizon
distCosine
'Law of cosines' great circle distance
greatCircle
Great circle
wrld
World countries
distVincentySphere
'Vincenty' (sphere) great circle distance
daylength
Daylength
destPointRhumb
Destination along a rhumb line
midPoint
Mid-point
mercator
Mercator projection
gcIntersect
Intersections of two great circles
geosphere-package
Geosphere
perimeter
Compute the perimeter of a polygon
distHaversine
'Haversine' great circle distance
crossTrackDistfance
Cross Track Distance
distm
Distance matrix
distMeeus
'Meeus' great circle distance
plotArrows
Plot
areaPolygon
Compute the areaPolygon of a polygon
centroid
Centroid of spherical polygons