GRDPASTE(l) GRDPASTE(l)
NAME
grdpaste - Paste together two .grd files along a common edge.
SYNOPSIS
grdpaste file_a.grd file_b.grd -Goutfile.grd [ -V ]
DESCRIPTION
grdpaste will combine file_a.grd and file_b.grd into outfile.grd by pasting them together along their common edge. Files file_a.grd and
file_b.grd must have the same dx, dy and have one edge in common. If in doubt, check with grdinfo and use grdcut and/or grdsample if neces-
sary to prepare the edge joint.
file_a.grd
One of two files to be pasted together.
file_b.grd
The other of two files to be pasted together.
-Goutfile.grd
The name for the combined output.
OPTIONS -V Selects verbose mode, which will send progress reports to stderr [Default runs "silently"].
EXAMPLES
Suppose file_a.grd is 150E - 180E and 0 - 30N, and file_b.grd is 150E - 180E, -30S - 0, then you can make outfile.grd which will be 150 -
180 and -30S - 30N by:
grdpaste file_a.grd file_b.grd -Goutfile.grd -V
SEE ALSO gmt(1gmt), grdcut(1gmt), grdinfo(1gmt), grdsample(1gmt)
1 Jan 2004 GRDPASTE(l)
Check Out this Related Man Page
GRDCUT(l) GRDCUT(l)
NAME
grdcut - Extract a subregion out of a .grd file
SYNOPSIS
grdcut input_file.grd -Goutput_file.grd -Rwest/east/south/north[r] [ -V ]
DESCRIPTION
grdcut will produce a new output_file.grd file which is a subregion of input_file.grd. The subregion is specified with
-Rwest/east/south/north as in other programs; the specified range must not exceed the range of input_file.grd. If in doubt, run grdinfo to
check range. Complementary to grdcut there is grdpaste, which will join together two grdfiles along a common edge.
input_file.grd
this is the input .grd format file.
-Goutput_file.grd
this is the output .grd format file.
-R west, east, south, and north specify the Region of interest. To specify boundaries in degrees and minutes [and seconds], use the
dd:mm[:ss] format. Append r if lower left and upper right map coordinates are given instead of wesn. This defines the subregion to
be cut out.
OPTIONS -V Selects verbose mode, which will send progress reports to stderr [Default runs "silently"].
EXAMPLES
Suppose you have used surface to grid ship gravity in the region between 148E - 162E and 8N - 32N, and you do not trust the gridding near
the edges, so you want to keep only the area between 150E - 160E and 10N - 30N, then:
grdcut grav_148_162_8_32.grd -Ggrav_150_160_10_30.grd -R150/160/10/30 -V
SEE ALSO grdpaste(1gmt), grdinfo(1gmt), gmt(1gmt)
1 Jan 2004 GRDCUT(l)
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