geosphere v1.5-10

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Spherical Trigonometry

Spherical trigonometry for geographic applications. That is, compute distances and related measures for angular (longitude/latitude) locations.

Functions in geosphere

Name Description
distRhumb Distance along a rhumb line
distVincentyEllipsoid 'Vincenty' (ellipsoid) great circle distance
distHaversine 'Haversine' great circle distance
distMeeus 'Meeus' great circle distance
gcIntersect Intersections of two great circles
intermediate Intermediate points on a great circle (sphere)
finalBearing Final direction
lengthLine Length of lines
destPointRhumb Destination along a rhumb line
distCosine 'Law of cosines' great circle distance
distGeo Distance on an ellipsoid (the geodesic)
dist2gc Cross Track Distance
perimeter Compute the perimeter of a longitude/latitude polygon
gcIntersectBearing Intersections of two great circles
dist2Line Distance between points and lines or the border of polygons.
span Span of polygons
gcLat Latitude on a Great Circle
plotArrows Plot
geosphere-package Geosphere
distVincentySphere 'Vincenty' (sphere) great circle distance
distm Distance matrix
greatCircle Great circle
midPoint Mid-point
greatCircleBearing Great circle
gcMaxLat Highest latitude on a great circle
onGreatCircle Is a point on a given great circle?
randomCoordinates Random or regularly distributed coordinates on the globe
gcLon Longitude on a Great Circle
geodesic geodesic and inverse geodesic problem
refEllipsoids Reference ellipsoids
geomean Mean location of sperhical coordinates
horizon Distance to the horizon
makePoly Add vertices to a polygon or line
mercator Mercator projection
wrld World countries
daylength Daylength
areaPolygon Area of a longitude/latitude polygon
destPoint Destination given bearing (direction) and distance
bearing Direction of travel
bearingRhumb Rhumbline direction
centroid Centroid of spherical polygons
alongTrackDistance Along Track Distance
antipode Antipodes
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Vignettes of geosphere

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geosphere.Rnw
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Details

Type Package
Date 2019-05-25
License GPL (>= 3)
LazyLoad yes
NeedsCompilation yes
Packaged 2019-05-26 01:10:19 UTC; rhijm
Repository CRAN
Date/Publication 2019-05-26 04:50:14 UTC
suggests methods , raster
depends R (>= 3.0.0)
imports sp
Contributors Ed Williams, Chris Vennes

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