next up previous contents index
Next: 3.2 GMT quick reference Up: 3. GMT overview and Previous: 3. GMT overview and   Contents   Index

3.1 GMT summary

The following is a summary of all the programs supplied with GMT and a very short description of their purpose. For more details, see the individual UNIX manual pages or the online web documentation. For a listing sorted by program purpose, see Section 3.2.

blockmean 		 L$_2$ (x,y,z) table data filter/decimator 

blockmedian L$_1$ (x,y,z) table data filter/decimator
blockmode Mode estimate (x,y,z) table data filter/decimator
filter1d Filter 1-D table data sets (time series)
fitcircle Finds the best-fitting great or small circle for a set of points
gmt2rgb Convert Sun raster or grd file to red, green, blue component grids
gmtconvert Convert data tables from one format to another
gmtdefaults List the current default settings
gmtmath Mathematical operations on table data
gmtselect Select subsets of table data based on multiple spatial criteria
gmtset Change selected parameters in current .gmtdefaults4 file
grd2cpt Generate a color palette table from a gridded file
grd2xyz Conversion from 2-D gridded file to table data
grdblend Blend several partially over-lapping grdfiles onto one grid
grdclip Limit the z-range in gridded data sets
grdcontour Contouring of 2-D gridded data sets
grdcut Cut a sub-region from a gridded file
grdedit Modify header information in a 2-D gridded file
grdfft Perform operations on gridded files in the frequency domain
grdfilter Filter 2-D gridded data sets in the space domain
grdgradient Compute directional gradient from gridded files
grdhisteq Histogram equalization for gridded files
grdimage Produce images from 2-D gridded data sets
grdinfo Get information about gridded files
grdlandmask Create masking gridded files from shoreline data base
grdmask Reset grid nodes in/outside a clip path to constants
grdmath Mathematical operations on gridded files
grdpaste Paste together gridded files along a common edge
grdproject Project gridded data sets onto a new coordinate system
grdreformat Converts gridded files into other grid formats
grdsample Resample a 2-D gridded data set onto a new grid
grdtrack Sampling of 2-D gridded data set along 1-D track
grdtrend Fits polynomial trends to gridded files
grdvector Plotting of 2-D gridded vector fields
grdview 3-D perspective imaging of 2-D gridded data sets
grdvolume Calculate volumes under a surface within specified contour
makecpt Make color palette tables
mapproject Transformation of coordinate systems for table data
minmax Report extreme values in table data files
nearneighbor Nearest-neighbor gridding scheme
project Project table data onto lines or great circles
psbasemap Create a basemap plot
psclip Use polygon files to define clipping paths
pscoast Plot [and fill] coastlines, borders, and rivers on maps
pscontour Contour or image raw table data by triangulation
pshistogram Plot a histogram
psimage Plot Sun rasterfiles on a map
pslegend Plot a legend on a map
psmask Create overlay to mask out regions on maps
psrose Plot sector or rose diagrams
psscale Plot grayscale or colorscale on maps
pstext Plot textstrings on maps
pswiggle Draw table data time-series along track on maps
psxy Plot symbols, polygons, and lines on maps
psxyz Plot symbols, polygons, and lines in 3-D
sample1d Resampling of 1-D table data sets
spectrum1d Compute various spectral estimates from time-series
splitxyz Split xyz files into several segments
surface A continuous curvature gridding algorithm
trend1d Fits polynomial or Fourier trends to $y = f(x)$ series
trend2d Fits polynomial trends to $z = f(x,y)$ series
triangulate Perform optimal Delauney triangulation and gridding
xyz2grd Convert an equidistant table xyz file to a 2-D gridded file

next up previous contents index
Next: 3.2 GMT quick reference Up: 3. GMT overview and Previous: 3. GMT overview and   Contents   Index
Paul Wessel 2006-01-01