geosphere: Spherical Trigonometry

Share:

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

Author
Robert J. Hijmans [cre, aut], Ed Williams [ctb], Chris Vennes [ctb]
Date of publication
2016-06-15 12:26:37
Maintainer
Robert J. Hijmans <r.hijmans@gmail.com>
License
GPL (>= 3)
Version
1.5-5

View on CRAN

Man pages

alongTrackDistance
Along Track Distance
antipode
Antipodes
area
Area of a longitude/latitude polygon
bearing
Direction of travel
bearingRhumb
Rhumbline direction
centroid
Centroid of spherical polygons
data
World countries
daylength
Daylength
destPoint
Destination given bearing (direction) and distance
destPointRhumb
Destination along a rhumb line
dist2gc
Cross Track Distance
dist2line
Distance between points and lines or the border of polygons.
distCosine
'Law of cosines' great circle distance
distGeo
Distance on an ellipsoid (the geodesic)
distHaversine
'Haversine' great circle distance
distm
Distance matrix
distMeeus
'Meeus' great circle distance
distRhumb
Distance along a rhumb line
distVincentyEllipsoid
'Vincenty' (ellipsoid) great circle distance
distVincentySphere
'Vincenty' (sphere) great circle distance
finalDirection
Final direction
gcIntersect
Intersections of two great circles
gcIntersectBearing
Intersections of two great circles
gcLat
Latitude on a Great Circle
gcLon
Longitude on a Great Circle
gcMaxLat
Highest latitude on a great circle
geodesic
geodesic and inverse geodesic problem
geomean
Mean location of sperhical coordinates
geosphere-package
Geosphere
greatCircle
Great circle
greatCircleBearing
Great circle
horizon
Distance to the horizon
intermediate
Intermediate points on a great circle (sphere)
makepoly
Add vertices to a polygon or line
mercator
Mercator projection
midPoint
Mid-point
onGreatCircle
Is a point on a given great circle?
perimeter
Compute the perimeter of a longitude/latitude polygon
plotArrows
Plot
randomCoordinates
Random or regularly distributed coordinates on the globe
refEllipsoids
Reference ellipsoids
span
Span of polygons

Files in this package

geosphere
geosphere/inst
geosphere/inst/doc
geosphere/inst/doc/geosphere.Rnw
geosphere/inst/doc/geosphere.R
geosphere/inst/doc/geosphere.pdf
geosphere/src
geosphere/src/util.c
geosphere/src/util.h
geosphere/src/geodesic.c
geosphere/src/geolib.c
geosphere/src/geodesic.h
geosphere/src/dist.c
geosphere/NAMESPACE
geosphere/data
geosphere/data/merc.RData
geosphere/data/wrld.RData
geosphere/R
geosphere/R/dist2Line.R
geosphere/R/destPointRhumb.R
geosphere/R/greatCircleBearing.R
geosphere/R/distm.R
geosphere/R/bearingRhumb.R
geosphere/R/plotPoly.R
geosphere/R/pointsToMatrix.R
geosphere/R/distMeeus.R
geosphere/R/destPoint.R
geosphere/R/onGreatCircle.R
geosphere/R/alongTrack.R
geosphere/R/gcMaxLat.R
geosphere/R/horizon.R
geosphere/R/gcIntersectBearing.R
geosphere/R/gcLat.R
geosphere/R/distGeo.R
geosphere/R/distVincentySphere.R
geosphere/R/daylength.R
geosphere/R/antipodal.R
geosphere/R/gcIntersect.R
geosphere/R/greatCircle.R
geosphere/R/gcLon.R
geosphere/R/regularCoordinates.R
geosphere/R/distRhumb.R
geosphere/R/randomCoordinates.R
geosphere/R/geodesic.R
geosphere/R/dist2gc.R
geosphere/R/bearing.R
geosphere/R/old_destPoint.R
geosphere/R/midPoint.R
geosphere/R/gcIntermediate.R
geosphere/R/centroid.R
geosphere/R/distHaversine.R
geosphere/R/helper.R
geosphere/R/geomean.R
geosphere/R/makePoly.R
geosphere/R/distVincentyEllipsoid.R
geosphere/R/span.R
geosphere/R/perimeter.R
geosphere/R/areaPolygon.R
geosphere/R/geomedian.R
geosphere/R/distCosines.R
geosphere/R/refEllipsoids.R
geosphere/R/finalBearing.R
geosphere/R/mercator.R
geosphere/vignettes
geosphere/vignettes/geosphere.Rnw
geosphere/MD5
geosphere/build
geosphere/build/vignette.rds
geosphere/DESCRIPTION
geosphere/ChangeLog
geosphere/man
geosphere/man/destPoint.Rd
geosphere/man/onGreatCircle.Rd
geosphere/man/plotArrows.Rd
geosphere/man/geomean.Rd
geosphere/man/makepoly.Rd
geosphere/man/greatCircleBearing.Rd
geosphere/man/alongTrackDistance.Rd
geosphere/man/span.Rd
geosphere/man/dist2line.Rd
geosphere/man/gcIntersectBearing.Rd
geosphere/man/geodesic.Rd
geosphere/man/distHaversine.Rd
geosphere/man/gcMaxLat.Rd
geosphere/man/distMeeus.Rd
geosphere/man/bearing.Rd
geosphere/man/midPoint.Rd
geosphere/man/distVincentySphere.Rd
geosphere/man/randomCoordinates.Rd
geosphere/man/distGeo.Rd
geosphere/man/finalDirection.Rd
geosphere/man/perimeter.Rd
geosphere/man/geosphere-package.Rd
geosphere/man/dist2gc.Rd
geosphere/man/greatCircle.Rd
geosphere/man/mercator.Rd
geosphere/man/intermediate.Rd
geosphere/man/data.Rd
geosphere/man/bearingRhumb.Rd
geosphere/man/distVincentyEllipsoid.Rd
geosphere/man/horizon.Rd
geosphere/man/distm.Rd
geosphere/man/daylength.Rd
geosphere/man/gcIntersect.Rd
geosphere/man/gcLon.Rd
geosphere/man/distRhumb.Rd
geosphere/man/gcLat.Rd
geosphere/man/destPointRhumb.Rd
geosphere/man/antipode.Rd
geosphere/man/centroid.Rd
geosphere/man/distCosine.Rd
geosphere/man/refEllipsoids.Rd
geosphere/man/area.Rd