libpysal.cg.lonlat¶
-
libpysal.cg.
lonlat
(pointslist)[source]¶ Converts point order from lat-lon tuples to lon-lat (x,y) tuples
- Parameters
- pointslist
python:list
of
lat-lontuples
(Note
,has
to
be
a
python:list
,even
for
one
point
)
- pointslist
- Returns
- newpts
python:list
with
tuples
of
points
in
lon-latorder
- newpts
Examples
>>> points = [(41.981417, -87.893517), (41.980396, -87.776787), (41.980906, -87.696450)] >>> newpoints = lonlat(points) >>> newpoints [(-87.893517, 41.981417), (-87.776787, 41.980396), (-87.69645, 41.980906)]