gcLon: Longitude on a Great Circle
In geosphere: Spherical Trigonometry
Description
Usage
Arguments
Value
Author(s)
References
See Also
Examples
Description
Longitudes at which a great circle crosses a latitude (parallel)
Usage
1
gcLon(p1, p2, lat)
Arguments
p1
longitude/latitude of point(s). Can be a vector of two numbers, a matrix of 2 columns (first one is longitude, second is latitude) or a SpatialPoints* object
p2
as above
lat
a latitude
Value
vector of two numbers (longitudes)
Author(s)
Robert Hijmans based on code by Ed Williams
References
http://www.edwilliams.org/avform.htm#Intersection
See Also
Examples
1
Example output
lon1 lon2
[1,] 17.9859 -117.6368
geosphere documentation built on May 2, 2019, 5:16 p.m.
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Description Usage Arguments Value Author(s) References See Also Examples
Description
Longitudes at which a great circle crosses a latitude (parallel)
Usage
1 | gcLon(p1, p2, lat)
|
Arguments
p1 |
longitude/latitude of point(s). Can be a vector of two numbers, a matrix of 2 columns (first one is longitude, second is latitude) or a SpatialPoints* object |
p2 |
as above |
lat |
a latitude |
Value
vector of two numbers (longitudes)
Author(s)
Robert Hijmans based on code by Ed Williams
References
http://www.edwilliams.org/avform.htm#Intersection
See Also
Examples
1 |
Example output
lon1 lon2
[1,] 17.9859 -117.6368
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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