def convert_dms2dec(direction, degrees_str, minutes_str, seconds_str):
"""
Convert DMS format into a N or E decimal coordinate
"""
degrees = _float_or_value(degrees_str)
minutes = _float_or_value(minutes_str)
seconds = _float_or_value(seconds_str)
## lua version is:
# direction = mw.ustring.gsub(direction, '^[ ]*(.-)[ ]*$', '%1')
## a plain translation would be:
# direction_match = re.match(r'^[ ]*(.)[ ]*$', direction)
# if direction_match and direction_match.group(1) in "NE":
## but it can also be done with:
direction = direction.strip()
if direction in "NE":
factor = 1
else:
factor = -1
if seconds_str:
precision = 5 + max(math_mod._precision(seconds_str), 0)
elif minutes_str:
precision = 3 + max(math_mod._precision(minutes_str), 0)
else:
precision = max(math_mod._precision(degrees_str), 0)
decimal = factor * (degrees + (minutes + seconds / 60) / 60)
# not float since this whole thing is string based.
return ("%%.%df" % (precision,)) % (decimal,)
def convert_dms2dec(direction, degrees_str, minutes_str, seconds_str):
"""
Convert DMS format into a N or E decimal coordinate
"""
degrees = _float_or_value(degrees_str)
minutes = _float_or_value(minutes_str)
seconds = _float_or_value(seconds_str)
## lua version is:
# direction = mw.ustring.gsub(direction, '^[ ]*(.-)[ ]*$', '%1')
## a plain translation would be:
# direction_match = re.match(r'^[ ]*(.)[ ]*$', direction)
# if direction_match and direction_match.group(1) in "NE":
## but it can also be done with:
direction = direction.strip()
if direction in "NE":
factor = 1
else:
factor = -1
if seconds_str:
precision = 5 + max(math_mod._precision(seconds_str), 0)
elif minutes_str:
precision = 3 + max(math_mod._precision(minutes_str), 0)
else:
precision = max(math_mod._precision(degrees_str), 0)
decimal = factor * (degrees + (minutes + seconds / 60) / 60)
# not float since this whole thing is string based.
return ("%%.%df" % (precision, )) % (decimal, )
def parseDMS(lat_d, lat_m, lat_s, lat_f, long_d, long_m, long_s, long_f,
format_=None):
"""
Transforms degrees, minutes, seconds format latitude and longitude
into the a structure to be used in displaying coordinates
"""
coordinateSpec = {}
lat_f = lat_f.upper()
long_f = long_f.upper()
# Check if specified backward
if lat_f == 'E' or lat_f == 'W':
t_d = lat_d
t_m = lat_m
t_s = lat_s
t_f = lat_f
lat_d = long_d
lat_m = long_m
lat_s = long_s
lat_f = long_f
long_d = t_d
long_m = t_m
long_s = t_s
long_f = t_f
errors = validate(
lat_d, lat_m, lat_s, long_d, long_m, long_s, 'parseDMS', True)
if not long_d:
raise Exception('Missing longitude')
if lat_m is None and lat_s is None and long_m is None and long_s is None and not len(errors):
if math_mod._precision(lat_d) > 0 or math_mod._precision(long_d) > 0:
if lat_f.upper() == 'S':
lat_d = '-' + lat_d
if long_f.upper() == 'W':
long_d = '-' + long_d
return parseDec(lat_d, long_d, format_)
coordinateSpec["dms-lat"] = lat_d + "°" + optionalArg(
lat_m, "′") + optionalArg(lat_s, "″") + lat_f
coordinateSpec["dms-long"] = long_d + "°" + optionalArg(
long_m, "′") + optionalArg(long_s, "″") + long_f
# {{coord/dms2dec|{{{4}}}|{{{1}}}|0{{{2}}}|0{{{3}}}}}
coordinateSpec["dec-lat"] = convert_dms2dec(
lat_f, lat_d, lat_m, lat_s)
# {{coord/dms2dec|{{{8}}}|{{{5}}}|0{{{6}}}|0{{{7}}}}}
coordinateSpec["dec-long"] = convert_dms2dec(
long_f, long_d, long_m, long_s)
if format_:
coordinateSpec['default'] = format_
else:
coordinateSpec['default'] = "dms"
return coordinateSpec, errors
def coordinates_determineMode(value1, value2):
"""
Helper function to determine whether to use D, DM, or DMS
format depending on the precision of the decimal input.
"""
precision = max(math_mod._precision(value1), math_mod._precision(value2))
if precision <= 0:
return 'd'
elif precision <= 2:
return 'dm'
else:
return 'dms'
def coordinates_determineMode(value1, value2):
"""
Helper function to determine whether to use D, DM, or DMS
format depending on the precision of the decimal input.
"""
precision = max(math_mod._precision(
value1), math_mod._precision(value2))
if precision <= 0:
return 'd'
elif precision <= 2:
return 'dm'
else:
return 'dms'
def parseDMS(lat_d,
lat_m,
lat_s,
lat_f,
long_d,
long_m,
long_s,
long_f,
format_=None):
"""
Transforms degrees, minutes, seconds format latitude and longitude
into the a structure to be used in displaying coordinates
"""
coordinateSpec = {}
lat_f = lat_f.upper()
long_f = long_f.upper()
# Check if specified backward
if lat_f == 'E' or lat_f == 'W':
t_d = lat_d
t_m = lat_m
t_s = lat_s
t_f = lat_f
lat_d = long_d
lat_m = long_m
lat_s = long_s
lat_f = long_f
long_d = t_d
long_m = t_m
long_s = t_s
long_f = t_f
errors = validate(lat_d, lat_m, lat_s, long_d, long_m, long_s, 'parseDMS',
True)
if not long_d:
raise Exception('Missing longitude')
if lat_m is None and lat_s is None and long_m is None and long_s is None and not len(
errors):
if math_mod._precision(lat_d) > 0 or math_mod._precision(long_d) > 0:
if lat_f.upper() == 'S':
lat_d = '-' + lat_d
if long_f.upper() == 'W':
long_d = '-' + long_d
return parseDec(lat_d, long_d, format_)
coordinateSpec["dms-lat"] = lat_d + "°" + optionalArg(
lat_m, "′") + optionalArg(lat_s, "″") + lat_f
coordinateSpec["dms-long"] = long_d + "°" + optionalArg(
long_m, "′") + optionalArg(long_s, "″") + long_f
# {{coord/dms2dec|{{{4}}}|{{{1}}}|0{{{2}}}|0{{{3}}}}}
coordinateSpec["dec-lat"] = convert_dms2dec(lat_f, lat_d, lat_m, lat_s)
# {{coord/dms2dec|{{{8}}}|{{{5}}}|0{{{6}}}|0{{{7}}}}}
coordinateSpec["dec-long"] = convert_dms2dec(long_f, long_d, long_m,
long_s)
if format_:
coordinateSpec['default'] = format_
else:
coordinateSpec['default'] = "dms"
return coordinateSpec, errors
