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This is a wrapper around SpatialLinesMidPoints() that allows it to find the midpoint of lines that are not projected, which have a lat/long CRS.
SpatialLinesMidPoints()
line_midpoint(l)
A spatial lines object
Other lines: angle_diff(), geo_toptail(), is_linepoint(), line2df(), line2points(), line_bearing(), line_match(), line_sample(), line_segment(), line_via(), mats2line(), n_sample_length(), n_vertices(), onewaygeo(), onewayid(), points2line(), toptail_buff(), toptailgs(), update_line_geometry()
angle_diff()
geo_toptail()
is_linepoint()
line2df()
line2points()
line_bearing()
line_match()
line_sample()
line_segment()
line_via()
mats2line()
n_sample_length()
n_vertices()
onewaygeo()
onewayid()
points2line()
toptail_buff()
toptailgs()
update_line_geometry()
# NOT RUN { data(routes_fast) line_midpoint(routes_fast[2:5, ]) # }
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