lawn (version 0.1.7)

lawn_along: Get a point at a distance along a line

Description

Takes a data-LineString and returns a data-Point at a specified distance along the line.

Usage

lawn_along(line, distance, units, lint = FALSE)

Arguments

line

input data-LineString

distance

distance along the line

units

can be degrees, radians, miles (default), or kilometers

lint

(logical) Lint or not. Uses geojsonhint. Takes up increasing time as the object to get linted increases in size, so probably use by default for small objects, but not for large if you know they are good geojson objects. Default: FALSE

Value

data-Point distance units along the line

See Also

Other measurements: lawn_area, lawn_bbox_polygon, lawn_bearing, lawn_center, lawn_centroid, lawn_destination, lawn_distance, lawn_envelope, lawn_extent, lawn_line_distance, lawn_midpoint, lawn_point_on_surface, lawn_size, lawn_square

Examples

pts <- '[
   [-21.964416, 64.148203],
   [-21.956176, 64.141316],
   [-21.93901, 64.135924],
   [-21.927337, 64.136673]
]'
lawn_along(lawn_linestring(pts), 1, 'miles')