destPointRhumb

Calculate the destination point when travelling along a 'rhumb line' (loxodrome), given a start point, direction, and distance.

 spatial 

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

Robert Hijmans

geosphere

Spherical Trigonometry

Robert J. Hijmans

Charles Karney

Ed Williams

Chris Vennes

destPointRhumb function

<dl> <dt>p</dt>
<dd>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</dd> <dt>b</dt>
<dd>bearing (direction) in degrees</dd> <dt>d</dt>
<dd>distance; in the same unit as <code>r</code> (default is meters)</dd> <dt>r</dt>
<dd>radius of the earth; default = 6378137 m</dd>
 
</dl>

Arguments

Chris Veness; ported to R by Robert Hijmans

Author

Destination along a rhumb line — destPointRhumb

<dl>

 <dt>p</dt>
<dd>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</dd>

 <dt>b</dt>
<dd>bearing (direction) in degrees</dd>

 <dt>d</dt>
<dd>distance; in the same unit as <code>r</code> (default is meters)</dd>

 <dt>r</dt>
<dd>radius of the earth; default = 6378137 m</dd>
 
</dl>

destPointRhumb: Destination along a rhumb line

Description

Usage

Value

Arguments

Author

References

See Also

Examples