Section 1: user commands and tools
NAME gmtmath – Reverse Polish Notation (RPN) calculator for data tables SYNOPSIS gmtmath [ t_f(t).d[+e][+s|w] ] [ cols ] [ eigen ] [ ] [ n_col[/t_col] ] [ ] [ [f|l] ] [ t_min/t_max/t_inc[+]|tfile ] [ [level] ] [ -b<binary> ] [ -d<nodata> ] [ -f<flags> ] [ -g<gaps> ] [ -h<headers> ] [ -i<flags>…
NAME gmtlogo – Adding a GMT graphics logo overlay to an illustration SYNOPSIS gmtlogo [ [g|j|J|n|x]refpoint+wwidth[+jjustify][+odx[/dy]] ] [ [+cclearances][+gfill][+i[[gap/]*pen*]][+p[pen]][+r[radius]][+s[[dx/dy/][shade]]] ] [ parameters ] [ z|Zparameters ] [ ] [ ] [ ] [ west/east/south/north[/zmin/zmax][r] ] [ [just/dx/dy/][c|label] ] [ [level] ] [ x_offset ] [ y_offset ] [ -ccopies ] [ -t<transp> ] Note: No…
NAME gmtlist – A data-extractor for <legid>.gmt files SYNOPSIS gmtlist leg-ids [ -Ccorrectionfile ] [ -Dastartdate ] [ -Dbstopdate ] [ -Fflags ] [ -G ] [ -H[i][nrec] ] [ -Rwest/east/south/north[r] ] [ -Sastartdist ] [ -Sbstopdist ] [ -V ] [ -Wweight ] [ -bo[s|S|d|D[ncol]|c[var1/…]] ] DESCRIPTION gmtlist reads <legid>.gmt files and produces an…
NAME gmtlegs – Find cruises in a given region SYNOPSIS gmtlegs -Rwest/east/south/north[r] [ -G ] [ -M ] [ -T ] [ -L ] [ -V ] DESCRIPTION gmtlegs will report the name of all the cruises that happened to be wholly or partially inside the specified region. As an option, only those cruises that…
NAME gmtinfo – Return information about data tables SYNOPSIS gmtinfo [ table ] [ a|f|s ] [ ] [ [dx[/dy]] ] [ L|l|H|hcol ] [ [p|f|s]dx[/dy[/dz…] ] [ [x][y] ] [ dz[/col] ] [ [level] ] [ -bi<binary> ] [ -di<nodata> ] [ -f<flags> ] [ -g<gaps> ] [ -h<headers> ] [ -i<flags> ] […
NAME gmtgravmag3d – Compute the gravity/magnetic effect of a body by the method of Okabe SYNOPSIS gmtgravmag3d [[d]xyz_file/vert_file[/m]]|[r|s]raw_file [ density ] [ ] [ thickness ] [ xy_file ] [ outputgrid ] [ f_dec/f_dip/m_int/m_dec/m_dip ] [ z_observation ] [ radius ] [ level ] [ [level] ] [ -fg] Note: No space is allowed between…
NAME gmtget – Get individual GMT default parameters SYNOPSIS gmtget [ defaultsfile ] [ ] PARAMETER1 [ PARAMETER2 PARAMETER3 … ] Note: No space is allowed between the option flag and the associated arguments. DESCRIPTION gmtget will list the value of one or more GMT default parameters. REQUIRED ARGUMENTS PARAMETER Provide one or several parameters…
NAME gmtflexure – Compute flexural deformation of 2-D loads, forces, bending and moments SYNOPSIS gmtflexure rm/rl[/ri]/rw -ETe[u]|D|file [ [l|r][/args] ] [ pPoisson ] [ yYoung ] [ force ] [ args] [ ] [ wfile] [ [level] ] [ wd] [ zm] [ -bi<binary> ] [ -i<flags> ] [ -o<flags> ] Note: No space is…
NAME gmtdp – Line reduction using the Douglas-Peucker algorithm SYNOPSIS gmtdp infiles -Ttolerance [ -H[i][nrec] ] [ -V ] [ -:[i|o] ] [ -b[i|o][s|S|d|D[ncol]|c[var1/…]] ] [ -bo[s|S|d|D[ncol]|c[var1/…]] ] [ -m[i|o][flag] ] DESCRIPTION gmtdp reads one or more data files (which may be multisegment files; see -m) and apply the Douglas-Peucker line simplification algorithm. The method…
NAME gmtdigitize – Digitizing and Inverse map transformation of map x/y coordinates SYNOPSIS gmtdigitize -Jparameters -Rwest/east/south/north[r] [ -A ] [ -Cdevice ] [ -Dlimit ] [ -F ] [ -H[i][nrec] ] [ -Llpi ] [ -Nnamestem ] [ -S ] [ -V ] [ -Zk|v ] [ -bo[s|S|d|D[ncol]|c[var1/…]] ] [ -m[flag] ] [ > output.d…
NAME gmtdefaults – List current GMT default parameters SYNOPSIS gmtdefaults [ [u|s] ] Note: No space is allowed between the option flag and the associated arguments. DESCRIPTION gmtdefaults lists the GMT parameter defaults if the option -D is used. There are three ways to change some of the settings: (1) Use the command gmtset, (2)…
NAME gmtconvert – Convert, Paste, and/or Extract columns from data tables SYNOPSIS gmtconvert [ table ] [ ] [ [+lmin][+umax][+i]] [ [template] ] [ [f|l|mstride] ] [ ] [ [c|n|r|v][refpoint] ] [ [tsr] ] [ [~]selection] [ [~]"search string" | [~]/regexp/[i] ] [ ] [ [level] ] [ -a<flags> ] [ -b<binary> ] [ -d<nodata>…
NAME gmtconnect – Connect individual lines whose end points match within tolerance SYNOPSIS gmtconnect [ table ] [ [closed] ] [ [template] ] [ [linkfile] ] [ [template] ] [ [cutoff[unit][/nn_dist]] ] [ [level] ] [ -b<binary> ] [ -d<nodata> ] [ -f<flags> ] [ -g<gaps> ] [ -h<headers> ] [ -i<flags> ] [ -o<flags>…
gmt_shell_functions.sh – Practical functions to be used in GMT bourne shell scripts Synopsis gmt_init_tmpdir gmt_remove_tmpdir gmt_clean_up [prefix] gmt_message message gmt_abort message gmt_get_nrecords file(s) gmt_get_ndatarecords file(s) gmt_get_nfields string gmt_get_field string gmt_get_region file(s) [options] gmt_get_gridregion file [options] gmt_get_map_width -R -J gmt_get_map_height -R -J gmt_set_psfile file gmt_set_pdffile file gmt_set_framename prefix framenumber gmt_set_framenext framenumber Description gmt_shell_functions.sh provides a set…
NAME gmt_shell_functions.sh – Practical functions to be used in GMT bourne shell scripts SYNOPSIS gmt_init_tmpdir gmt_remove_tmpdir gmt_clean_up [prefix] gmt_message message gmt_abort message gmt_nrecords file(s) gmt_nfields string gmt_get_field string gmt_get_region file(s) [options] gmt_get_gridregion file [options] gmt_get_map_width -R -J br gmt_get_map_height -R -J gmt_set_psfile file gmt_set_framename prefix framenumber gmt_set_framenext framenumber DESCRIPTION gmt_shell_functions.sh provides a set of functions…
NAME gmt5syntax – Convert old GMT script to use new ‘gmt <module>’ syntax SYNOPSIS gmt5syntax old_script > new_script DESCRIPTION gmt5syntax is a perl script that converts old-style GMT commands in, e.g., shell scripts, to the new gmt <module>-syntax. This utility is located in the tools subdirectory of the data directory. gmt –show-datadir will show the…
NAME gmt2rgb – Converting a grid file, a raw, or a Sun raster file to r/g/b grids SYNOPSIS gmt2rgb infile -Gtemplate [ -Ccptfile ] [ -F ] [ -Ixinc[m|c][/yinc[m|c]] ] [ -Llayer ] [ -Rxmin/xmax/ymin/ymax[r] ] [ -V ] [ -Wwidth/height[/n_bytes] DESCRIPTION gmt2rgb reads one of three types of input files: (1) A Sun 8-,…
NAME gmt2kml – Convert GMT data tables to KML files for Google Earth SYNOPSIS gmt2kml [ table ] [ a|g|s[alt|xscale] ] [ cpt ] [ descriptfile ] [ [altitude] ] [ e|s|t|l|p ] [ f|n–|fill ] [ icon ] [ -K] [ col1:name1,col2:name2,… ] [ [+|*name_template*|name] ] [ -O] [ a|w/e/s/n ] [ c|nscale] ]…
NAME gmt2dat – Convert a binary gmt file to an ASCII file SYNOPSIS gmt2dat gmtfile DESCRIPTION gmt2dat reads a <legid>.gmt file and converts it to a regular ASCII text file that can be edited using the text editor. The ASCII text is sent to standard output and can be redirected to a file/program/printer, etc. EXAMPLES…
NAME gmt2bin – Create bin-index files from gmt files SYNOPSIS gmt2bin listfile [ -Ppath ] [ -V ] DESCRIPTION gmt2bin reads a file with a list of leg ids, opens each gmt file, and creates a bin-index file for each leg called <legid>.bix. These are used by binlegs to update the system files read by…