idea for the manual

[Pedro Neves]

Hello everybody:

I'm updating some sections from the Subsurface manual, particularly the 
ones dealing with the .CSV import.
As I was running a few tests on my system I came across one question 
related to the import formats for the GPS coordinates.

Subsurface's XML format supports four coordinate formats according to 
the manual:

"The coordinates can be entered by hand if they are known, using one of 
four formats with latitude followed by longitude:
ISO 6709 Annex D format e.g. 30°13'28.9"N 30°49'1.5"E
Degrees and decimal minutes, e.g. N30° 13.49760' , E30° 49.30788'
Degrees minutes seconds, e.g. N30° 13' 29.8" , E30° 49' 1.5"
Decimal degrees, e.g. 30.22496 , 30.821798
Southern hemisphere latitudes are given with a S, e.g. S30°, or with a 
negative value, e.g. -30.22496. Similarly, western longitudes are given 
with a W, e.g. W07°, or with a negative value, e.g. -7.34323."

However I can only import GPS coordinates from a .CSV file if they are 
expressed as decimal degrees (and without a comma separating latitude 
and longitude): "30.22496 30.821798". All the other formats result in 
empty coordinates on Subsurface.

I'm not sure if this has to do with the import filter code or with my 
locale, but it would be helpfull if someone could run a few tests on 
other machines just to make sure. I'm inclined to write that the GPS 
coordinates on the .CSV file have to follow the format "dd.dddd 
dd.dddd", with a "-" for S latitudes and W longitudes


Thanks in advance:

Pedro Neves