NAME
xm_xsec - cross section format for the xmap8 program
SYNOPSIS
xm_xsec - Input File Format
DESCRIPTION
For providing XMap8 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 swaths 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
SEE ALSO
xmap8
xm_color
xm_hypo
xm_map
xm_menu
xm_origin
xm_points
xm_raster
xm_station
xm_well
xm_wire
xm_xsec
xm_ellipse
REFERENCES see article by J. M. Lees: Lees, J. M. (1995) Xmap8: Three-dimensional GIS for geology and geophysics, Seismological Research Letters: 66, 33-37.
Prof. Jonathan M. Lees
Yale Geology Dept.
P.O. Box 208109
New Haven, CT 06520-8109
(203)432-6947
lees@love.geology.yale.edu