stplanr (version 0.4.0)

line_sample: Sample n points along lines with density proportional to a weight

Description

Sample n points along lines with density proportional to a weight

Usage

line_sample(l, n, weights)

Arguments

l

The SpatialLines object along which to create sample points

n

The total number of points to sample

weights

The relative probabilities of lines being samples

See Also

Other lines: angle_diff, geo_toptail, is_linepoint, line2df, line2points, line_bearing, line_match, line_midpoint, line_segment, line_via, mats2line, n_sample_length, n_vertices, onewaygeo, onewayid, points2line, toptail_buff, toptailgs, update_line_geometry

Examples

# NOT RUN {
l <- flowlines[2:5, ]
n <- 100
l_lengths <- line_length(l)
weights <- l$All
p <- line_sample(l, 50, weights)
plot(p)
p <- line_sample(l, 50, weights = 1:length(l))
plot(p)
# }