horizon: Distance to the horizon
In geosphere: Spherical Trigonometry
Description
Usage
Arguments
Value
Author(s)
References
Examples
Description
Empirical function to compute the distance to the horizon from a given altitude. The earth is assumed to be smooth, i.e. mountains and other obstacles are ignored.
Usage
1
horizon(h, r=6378137)
Arguments
h
altitude, numeric >= 0. Should have the same unit as r
r
radius of the earth; default value is 6378137 m
Value
Distance in units of h (default is meters)
Author(s)
Robert J. Hijmans
References
http://www.edwilliams.org/avform.htm#Horizon
Bowditch, 1995. American Practical Navigator. Table 12.
Examples
1
2
geosphere documentation built on May 2, 2019, 5:16 p.m.
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.
Description Usage Arguments Value Author(s) References Examples
Description
Empirical function to compute the distance to the horizon from a given altitude. The earth is assumed to be smooth, i.e. mountains and other obstacles are ignored.
Usage
1 | horizon(h, r=6378137)
|
Arguments
h |
altitude, numeric >= 0. Should have the same unit as r |
r |
radius of the earth; default value is 6378137 m |
Value
Distance in units of h (default is meters)
Author(s)
Robert J. Hijmans
References
http://www.edwilliams.org/avform.htm#Horizon
Bowditch, 1995. American Practical Navigator. Table 12.
Examples
1 2 |
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.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.