R: Find spaced Points along a line

PointsAlong {GEOmap} | R Documentation

## Find spaced Points along a line

### Description

find evenly spaced points along a line

### Usage

    PointsAlong(x, y, spacing = NULL, N = 1, endtol = 0.1)

### Arguments

`x` | x-coordinates
`y` | y-coordinates
`spacing` | spacing of points
`N` | number of points
`endtol` | indent on either ends

### Details

The total length is returned: this is the line integral along the trace.

### Value

List:

`x` | x-coordinates
`y` | y-coordinates
`rot` | angle at the points
`TOT` | total length along the trace

### Author(s)

Jonathan M. Lees<jonathan.lees@unc.edu

### Examples

    plot(c(-5,5), c(-5,5), asp=1, type='n' )
    ff=list()
    ff$x=c(-4.850,-4.700,-3.934,-2.528, 0.603, 2.647, 3.861, 2.626)
    ff$y=c(-4.045,-2.087,-0.710, 0.172, 1.291, 2.087,-0.753,-4.131)

    g = PointsAlong(ff$x, ff$y, N=20)

    lines(ff$x, ff$y)
    points(g$x, g$y)

[Package GEOmap version 2.4-0 Index]