xm_xsec

NAME

xm_xsec - cross section format for the Geotouch program

SYNOPSIS

xm_xsec - Input File Format

DESCRIPTION

For providing Geotouch with a description of a set of cross sections.

You can get xsec files loaded by using the -X xsec_file option

FORMAT

Files are free format with this input:
lat1 lon1 lat2 lon2 dip min_depth max_depth front back

where,
lat1,lat2 = latitude, positive north
lon1, lon2 = longitude, positive east

point 1 (lat1,lon1) is the start of the cross section.
dip is measured in degrees from vertical
min_depth = starting depth of cross section
max_depth = bottom depth of cross section

front = width of swath (km) to the right of cross section if you are located at point 1 facing point 2.
back = width of swath (km) to the left of cross section if you are located at point 1 facing point 2.

(the swathes can have different front and back. This is mainly useful for dipping cross sections)





Example file:

47.111675 -123.488739 46.294132 -121.185463 0.000000 0.000000 30.000000 8.541667 8.541667
45.976196 -122.987541 47.157093 -121.600945 0.000000 0.000000 30.000000 8.541667 8.541667
-----------------------------------------------------------------------------------------
lat1 lon1 lat2 lon2 dip min_depth max_depth front back



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