Package GMT-common

Common files for GMT

The GMT-common package contains common files for GMT (Generic
Mapping Tools) package.

General Commands
Command Description
backtracker Generate forward and backward flowlines and hotspot tracks
blockmean Block average (x, y, z) data tables by L2 norm
blockmedian Block average (x, y, z) data tables by L1 norm
blockmode Block average (x, y, z) data tables by mode estimation
dimfilter Directional filtering of 2-D gridded files in the space (or time) domain
filter1d Do time domain filtering of 1-D data tables
fitcircle find mean position and pole of best-fit great [or small] circle to points on a...
gmt The Generic Mapping Tools data processing and display software package
gmt2kml Convert GMT data tables to KML files for Google Earth
gmt5syntax Convert old GMT script to use new 'gmt <module>' syntax
gmtconnect Connect individual lines whose end points match within tolerance
gmtconvert Convert, Paste, and/or Extract columns from data tables
gmtdefaults List current GMT default parameters
gmtflexure Compute flexural deformation of 2-D loads, forces, bending and moments
gmtget Get individual GMT default parameters
gmtgravmag3d Compute the gravity/magnetic effect of a body by the method of Okabe
gmtinfo Return information about data tables
gmtlogo Adding a GMT graphics logo overlay to an illustration
gmtmath Reverse Polish Notation (RPN) calculator for data tables
gmtpmodeler Evaluate a plate motion model at given locations
gmtregress Linear regression of 1-D data sets
gmtselect Select data table subsets based on multiple spatial criteria
gmtset Change individual GMT default parameters Practical functions to be used in GMT bourne shell scripts
gmtsimplify Line reduction using the Douglas-Peucker algorithm
gmtspatial Do geospatial operations on lines and polygons
gmtswitch Switching between different GMT versions
gmtvector Basic manipulation of Cartesian vectors
gmtwhich Find full path to specified files
gpsgridder Interpolate GPS strain vectors using Green's functions for elastic deformation
gravfft Compute gravitational attraction of 3-D surfaces in the wavenumber (or...
grd2cpt Make linear or histogram-equalized color palette table from grid
grd2rgb Write r/g/b grid files from a grid file, a raw RGB file, or SUN rasterfile
grd2xyz Convert grid file to data table
grdblend Blend several partially over-lapping grids into one large grid
grdclip Clip the range of grids
grdcontour Make contour map using a grid
grdconvert Convert between different grid formats
grdcut Extract subregion from a grid
grdedit Modify header or content of a grid
grdfft Do mathematical operations on grids in the wavenumber (or frequency) domain
grdfilter Filter a grid in the space (or time) domain
grdflexure Compute flexural deformation of 3-D surfaces for various rheologies
grdgradient Compute directional derivative or gradient from a grid
grdgravmag3d Compute the gravity effect of a grid by the method of Okabe
grdhisteq Perform histogram equalization for a grid
grdimage Project grids or images and plot them on maps
grdinfo Extract information from grids
grdlandmask "Create a ""wet-dry"" mask grid from shoreline data base"
grdmask Create mask grid from polygons or point coverage
grdmath Reverse Polish Notation (RPN) calculator for grids (element by element)
grdpaste Join two grids along their common edge
grdpmodeler Evaluate a plate motion model on a geographic grid
grdproject Forward and inverse map transformation of grids
grdraster Extract subregion from a binary raster and save as a GMT grid
grdredpol Compute the Continuous Reduction To the Pole, AKA differential RTP.
grdrotater Finite rotation reconstruction of geographic grid
grdsample Resample a grid onto a new lattice
grdseamount Compute synthetic seamount (Gaussian or cone, circular or elliptical) bathymetry
grdspotter Create CVA image from a gravity or topography grid
grdtrack Sample grids at specified (x,y) locations
grdtrend Fit trend surface to grids and compute residuals
grdvector Plot vector field from two component grids
grdview Create 3-D perspective image or surface mesh from a grid
grdvolume Calculate grid volume and area constrained by a contour
greenspline Interpolate using Green's functions for splines in 1-3 dimensions
gshhg Extract data tables from binary GSHHG or WDBII data files
hotspotter Create CVA image from seamount locations
img2grd Extract subset of img file in Mercator or Geographic format
isogmt Run GMT command or script in isolation mode
kml2gmt Extract GMT table data from Google Earth KML files
makecpt Make GMT color palette tables
mapproject Do forward and inverse map transformations, datum conversions and geodesy
mgd77convert Convert MGD77 data to other file formats
mgd77info Extract information about MGD77 files
mgd77list Extract data from MGD77 files
mgd77magref Evaluate the IGRF or CM4 magnetic field models
mgd77manage Manage the content of MGD77+ files
mgd77path Return paths to MGD77 cruises and directories
mgd77sniffer Along-track quality control of MGD77 cruises
mgd77track Plot track-line map of MGD77 cruises
nearneighbor "Grid table data using a ""Nearest neighbor"" algorithm"
originator Associate seamounts with nearest hotspot point sources
project Project table data onto lines or great circles, generate tracks, or translate...
psbasemap Plot PostScript base maps
psclip Initialize or terminate polygonal clip paths
pscoast Plot continents, shorelines, rivers, and borders on maps
pscontour Contour table data by direct triangulation [method]
psconvert Convert [E]PS file(s) to other formats using GhostScript
pscoupe Plot cross-sections of focal mechanisms
pshistogram Calculate and plot histograms
psimage Place images or EPS files on maps
pslegend Plot legends on maps
psmask Use data tables to clip or mask map areas with no coverage
psmeca Plot focal mechanisms on maps
pspolar Plot polarities on the inferior focal half-sphere on maps
psrose Plot a polar histogram (rose, sector, windrose diagrams)
psscale Plot a gray or color scale-bar on maps
pssegy Plot a SEGY file on a map
pssegyz Create imagemasked postscript from SEGY file
pssolar Plot day-light terminators and other sunlight parameters
pstext Plot or typeset text on maps
psvelo Plot velocity vectors, crosses, and wedges on maps
pswiggle Plot z = f(x,y) anomalies along tracks
psxy Plot lines, polygons, and symbols on maps
psxyz Plot lines, polygons, and symbols in 3-D
rotconverter Manipulate total reconstruction and stage rotations
sample1d Resample 1-D table data using splines
segy2grd Converting SEGY data to a GMT grid
spectrum1d Compute auto- [and cross- ] spectra from one [or two] time-series
sph2grd Compute grid from spherical harmonic coefficients
sphdistance Make Voronoi distance, node, or nearest-neighbor grid on a sphere
sphinterpolate Spherical gridding in tension of data on a sphere
sphtriangulate Delaunay or Voronoi construction of spherical lon,lat data
splitxyz Split xyz[dh] data tables into individual segments
surface Grid table data using adjustable tension continuous curvature splines
talwani2d Compute free-air, geoid or vertical gravity gradients anomalies over 2-D bodies
talwani3d Compute free-air, geoid or vertical gravity gradients anomalies over 3-D bodies
trend1d Fit a [weighted] [robust] polynomial [and/or Fourier] model for y = f(x) to...
trend2d Fit a [weighted] [robust] polynomial model for z = f(x,y) to xyz[w] data
triangulate Do optimal (Delaunay) triangulation and gridding of Cartesian table data...
x2sys_binlist Create bin index listing from track data files
x2sys_cross Calculate crossovers between track data files
x2sys_datalist Extract content of track data files
x2sys_get Get track listing from the x2sys track index databases
x2sys_init Initialize a new x2sys track database
x2sys_list Extract subset from crossover data base
x2sys_merge Merge an updated COEs table (smaller) into the main table (bigger)
x2sys_put Update track index database from track bin file
x2sys_report Report statistics from crossover data base
x2sys_solve Determine least-squares systematic correction from crossovers
xyz2grd Convert data table to a grid file
File Formats
File Description
gmtcolors Explanation of color codes in GMT
gmt.conf Configuration for GMT