ParseLatLongStrings

Convert from DD:MM:SS strings to decimal numeric

ParseLatLongStrings - convert from DD:MM:SS strings to decimal numeric
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% Convert strings representing angles in colon-seperated
% Degree-Minutes-Seconds format to decimal degrees.
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% Call as:
% [dec_out] = ParseLatLongStrings(flexible_in);
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% All the following return -20.5:
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% ParseLatLongStrings('-20:30:00.00')
% ParseLatLongStrings('20:30:00 S')
% ParseLatLongStrings('20:30:00 E')
% ParseLatLongStrings('-20:30:00 e') % not sure if this is ever used...
% ParseLatLongStrings('20:30 s')
% ParseLatLongStrings(-20.5) % ie will return numeric if passed numeric
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% Cell-array inputs of all the above types are supported, as are
% multi-line character arrays of format:
% ParseLatLongStrings(['20:30 s' ; '30:30 n'])