gmtsimplify – Line reduction using the Douglas-Peucker algorithm Synopsisgmtsimplify [ table ] tolerance[unit] [ [level] ] [ -b<binary> ] [ -d<nodata> ] [ -f<flags> ] [ -g<gaps> ] [ -h<headers> ] [ -i<flags> ] [ -o<flags> ] [ -:[i|o] ] Note: No space is allowed between the option flag and the associated arguments. Descriptiongmtsimplify reads…
gmtset – Change individual GMT default parameters Synopsisgmtset [ | [s|u] | defaultsfile ] [ –[BJRXxYycp]value ] PARAMETER1 [=] value1 PARAMETER2 [=] value2 PARAMETER3 [=] value3 Note: No space is allowed between the option flag and the associated arguments. Descriptiongmtset will adjust individual GMT defaults settings in the current directory’s gmt.conf file. If no such…
gmtselect – Select data table subsets based on multiple spatial criteria Synopsisgmtselect [ table ] [ min_area[/min_level/max_level][+ag|i|s|S][+r|l][ppercent] ] [ dist[unit]/ptfile ] [ resolution[+] ] [ [fn] ] [ polygonfile ] [ -I[cflrsz] ] [ parameters ] [ [p]dist[unit]/linefile ] [ maskvalues ] [ region ] [ min[/max][+ccol] ] [ [level] ] [ -b<binary> ] […
gmtregress – Linear regression of 1-D data sets Synopsisgmtregress [ table ] [ min/max/inc ] [ level ] [ x|y|o|r ] [ flags ] [ 1|2|r|w ] [ [r] ] [ min/max/inc | n ] [ [w][x][y][r] ] [ [level] ] [ -a<flags> ] [ -b<binary> ] [ -g<gaps> ] [ -h<headers> ] [ -i<flags>…
gmtpath – Get full pathname for gmt files Synopsisgmtpath leg-ids Descriptiongmtpath returns the full pathname to one or more gmt-files. The pathname returned for a given cruise may change with time due to reshuffling of disks/subdirectories. leg-ids Can be one or more gmtleg-names, like c2610. Use `cat list_of_legs` to pass all the legnames in the…
gmtmath – Reverse Polish Notation (RPN) calculator for data tables Synopsisgmtmath [ 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> ] […
gmtlogo – Adding a GMT graphics logo overlay to an illustration Synopsisgmtlogo [ [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 space is…
gmtlist – A data-extractor for <legid>.gmt files Synopsisgmtlist 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/…]] ] Descriptiongmtlist reads <legid>.gmt files and produces an ASCII [or binary]…
gmtlegs – Find cruises in a given region Synopsisgmtlegs -Rwest/east/south/north[r] [ -G ] [ -M ] [ -T ] [ -L ] [ -V ] Descriptiongmtlegs 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 collected a certain…
gmtinfo – Return information about data tables Synopsisgmtinfo [ 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> ] [ -o<flags> ]…
gmtgravmag3d – Compute the gravity/magnetic effect of a body by the method of Okabe Synopsisgmtgravmag3d [[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 the option…
gmtget – Get individual GMT default parameters Synopsisgmtget [ defaultsfile ] [ ] PARAMETER1 [ PARAMETER2 PARAMETER3 … ] Note: No space is allowed between the option flag and the associated arguments. Descriptiongmtget will list the value of one or more GMT default parameters. Required ArgumentsPARAMETER Provide one or several parameters of interest. The current…
gmtflexure – Compute flexural deformation of 2-D loads, forces, bending and moments Synopsisgmtflexure 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 allowed between…
gmtdp – Line reduction using the Douglas-Peucker algorithm Synopsisgmtdp 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] ] Descriptiongmtdp reads one or more data files (which may be multisegment files; see -m) and apply the Douglas-Peucker line simplification algorithm. The method recursively subdivides a…
gmtdigitize – Digitizing and Inverse map transformation of map x/y coordinates Synopsisgmtdigitize -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 ] Descriptiongmtdigitize…
gmtdefaults – List current GMT default parameters Synopsisgmtdefaults [ [u|s] ] Note: No space is allowed between the option flag and the associated arguments. Descriptiongmtdefaults 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) use any text…
gmtconvert – Convert, Paste, and/or Extract columns from data tables Synopsisgmtconvert [ 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> ] […
gmtconnect – Connect individual lines whose end points match within tolerance Synopsisgmtconnect [ 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 Synopsisgmt_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 Descriptiongmt_shell_functions.sh provides a set of functions…
gmt_shell_functions.sh – Practical functions to be used in GMT bourne shell scripts Synopsisgmt_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 Descriptiongmt_shell_functions.sh provides a set of functions to bourne (again)…