latlonconv 1.0.0

Methods for representing geographic coordinates

latlonconv

A copy of the LatLon package that actually works (and does not depend on pyproj), but has reduced functionality focusing on format conversion only:

Example

import latlonconv as ll

coord1 = ll.LatLon(32.30642, 122.61458)
coord2 = ll.string2latlon("""32.30642° N""", """122.61458° W""", """D%° %H""")
conv1 = coord1.to_string("""d%° %m%' %S%" %H""")
conv2 = coord2.to_string("""d%° %m%' %S%" %H""")

print(conv1)
print(conv2)

Format string syntax

latlonconv.string2latlon and latlonconv.LatLon.to_string both take a formatter string which is loosely modeled on the format keyword used in datetime’s strftime function. Indicator characters (e.g. H or D) are placed between a specific separator character (%) to specify the way in which a coordinate string is formatted. Possible values are as follows:

H is a hemisphere identifier (e.g. N, S, E or W)

D is a coordinate in decimal degrees notation (e.g. 5.833)

d is a coordinate in degrees notation (e.g. 5)

M is a coordinate in decimal minutes notation (e.g. 54.35)

m is a coordinate in minutes notation (e.g. 54)

S is a coordinate in seconds notation (e.g. 28.93)

Any other characters (e.g. ‘ ‘ or ‘, ‘) will be treated as a separator between the above components.

All components should be separated by the % character. For example, if the coord_str is ‘5, 52, 59.88_N’, the format_str would be ‘d%, %m%, %S%_%H’