Common Options

Standardized Command Line Options

Option	Description
-Binformation	Specify map frame and axes parameters
-Jparameters	Select map projection
-Rwest/east/south/north[/zmin/zmax][+r][+uunit]	Specify region of interest
-U[label][+c][+jjust][+odx/dy][+ttext]	Display time-stamp on plot
-V[verbosity]	Run in verbose mode
-X[a|c|f|r]xshift	Shift plot origin in x-direction
-Y[a|c|f|r]yshift	Shift plot origin in y-direction
-a[col=]name[,…]	Associate aspatial data with columns
-birecord[+b|l]	Select binary input
-borecord[+b|l]	Select binary output
-c[row,col|index]	Advance plot focus to selected (or next) subplot panel
-d[i|o]nodata[+ccol]	Replace nodata in columns with NaN
-e[~]“pattern” | -e[~]/regexp/[i]	Filter data records that match the given pattern
-f[i|o]colinfo	Set column content of input or output
-gx|y|z|d|X|Y|Dgap[u][+a][+ccol][+n|p]	Segment data by detecting gaps
-h[i|o][n][+c][+d][+msegheader][+rremark][+ttitle]	ASCII tables have header record[s]
-icols[+l][+ddivide][+sscale|d|k][+ooffset][,…][,t[word]]	Selection of input columns and optional transformations
-je|f|g	Mode of spherical distance calculation
-l[label][modifiers]	Add an item to the automatic plot legend
-n[b|c|l|n][+a][+bBC][+c][+tthreshold]	Set grid interpolation mode
-ocols[,…][,t[word]]	Selection of output columns and optional transformations
-p[x|y|z]azim[/elev[/zlevel]][+wlon0/lat0[/z0]][+vx0/y0]	Control 3-D perspective view
-q[i|o][~]rows[+ccol][+a|t|s]	Selection of input or output rows
-r[g|p]	Sets grid registration
-s[cols][+a|r]	Control treatment of NaN records
-t[transp[/transp2]][+f][+s]	Set layer transparency
-wy|a|w|d|h|m|s|cperiod[/phase][+ccol]	Convert selected coordinate to repeating cycles
-x[[-]n]	Set number of cores in multi-threaded modules
-:[i|o]	Expect y/x input (or output) rather than x/y

Standardized Command Line Options available in GMT Classic Mode Only

In GMT classic mode, options -c and -l are NOT available, but the following common options are:

Option	Description
-K	Append more PostScript later
-O	This is an overlay plot
-P	Select Portrait orientation