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<H1><A NAME="SECTION001110000000000000000">
3.1 </A><A NAME="tex2html95"
HREF="http://www.soest.hawaii.edu/gmt"><B>GMT</B></A> summary
</H1>
The following is a summary of all the programs supplied with <A NAME="tex2html157"
HREF="http://www.soest.hawaii.edu/gmt"><B>GMT</B></A> and a very short description of their purpose. For more details,
see the individual <I>UNIX</I> manual pages or the online web documentation.
For a listing sorted by program purpose, see Section <A HREF="node14.html#sec:purpose">3.2</A>.
<PRE><TT>
<A NAME="tex2html96"
HREF="../blockmean.html"><I><B>blockmean</B></I></A><A NAME="1784"></A> L<IMG
WIDTH="11" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
SRC="img12.gif"
ALT="$_2$"> (<I>x</I>,<I>y</I>,<I>z</I>) table data filter/decimator
<BR><A NAME="tex2html97"
HREF="../blockmedian.html"><I><B>blockmedian</B></I></A><A NAME="1793"></A> L<IMG
WIDTH="11" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
SRC="img13.gif"
ALT="$_1$"> (<I>x</I>,<I>y</I>,<I>z</I>) table data filter/decimator
<BR><A NAME="tex2html98"
HREF="../blockmode.html"><I><B>blockmode</B></I></A><A NAME="1802"></A> Mode estimate (<I>x</I>,<I>y</I>,<I>z</I>) table data filter/decimator
<BR><A NAME="tex2html99"
HREF="../filter1d.html"><I><B>filter1d</B></I></A><A NAME="1811"></A> Filter 1-D table data sets (time series)
<BR><A NAME="tex2html100"
HREF="../fitcircle.html"><I><B>fitcircle</B></I></A><A NAME="1820"></A> Finds the best-fitting great or small circle for a set of points
<BR><A NAME="tex2html101"
HREF="../gmtconvert.html"><I><B>gmtconvert</B></I></A><A NAME="1829"></A> Convert data tables from one format to another
<BR><A NAME="tex2html102"
HREF="../gmtdefaults.html"><I><B>gmtdefaults</B></I></A><A NAME="1838"></A> List the current default settings
<BR><A NAME="tex2html103"
HREF="../gmtmath.html"><I><B>gmtmath</B></I></A><A NAME="1847"></A> Mathematical operations on table data
<BR><A NAME="tex2html104"
HREF="../gmtselect.html"><I><B>gmtselect</B></I></A><A NAME="1856"></A> Select subsets of table data based on multiple spatial criteria
<BR><A NAME="tex2html105"
HREF="../gmtset.html"><I><B>gmtset</B></I></A><A NAME="1865"></A> Change selected parameters in current <U>.gmtdefaults</U> file
<BR><A NAME="tex2html106"
HREF="../grd2cpt.html"><I><B>grd2cpt</B></I></A><A NAME="1875"></A> Generate a color palette table from a gridded file
<BR><A NAME="tex2html107"
HREF="../grd2xyz.html"><I><B>grd2xyz</B></I></A><A NAME="1884"></A> Conversion from 2-D gridded file to table data
<BR><A NAME="tex2html108"
HREF="../grdclip.html"><I><B>grdclip</B></I></A><A NAME="1893"></A> Limit the <I>z</I>-range in gridded data sets
<BR><A NAME="tex2html109"
HREF="../grdcontour.html"><I><B>grdcontour</B></I></A><A NAME="1902"></A> Contouring of 2-D gridded data sets
<BR><A NAME="tex2html110"
HREF="../grdcut.html"><I><B>grdcut</B></I></A><A NAME="1911"></A> Cut a sub-region from a gridded file
<BR><A NAME="tex2html111"
HREF="../grdedit.html"><I><B>grdedit</B></I></A><A NAME="1920"></A> Modify header information in a 2-D gridded file
<BR><A NAME="tex2html112"
HREF="../grdfft.html"><I><B>grdfft</B></I></A><A NAME="1929"></A> Perform operations on gridded files in the frequency domain
<BR><A NAME="tex2html113"
HREF="../grdfilter.html"><I><B>grdfilter</B></I></A><A NAME="1938"></A> Filter 2-D gridded data sets in the space domain
<BR><A NAME="tex2html114"
HREF="../grdgradient.html"><I><B>grdgradient</B></I></A><A NAME="1947"></A> Compute directional gradient from gridded files
<BR><A NAME="tex2html115"
HREF="../grdhisteq.html"><I><B>grdhisteq</B></I></A><A NAME="1956"></A> Histogram equalization for gridded files
<BR><A NAME="tex2html116"
HREF="../grdimage.html"><I><B>grdimage</B></I></A><A NAME="1965"></A> Produce images from 2-D gridded data sets
<BR><A NAME="tex2html117"
HREF="../grdinfo.html"><I><B>grdinfo</B></I></A><A NAME="1974"></A> Get information about gridded files
<BR><A NAME="tex2html118"
HREF="../grdlandmask.html"><I><B>grdlandmask</B></I></A><A NAME="1983"></A> Create masking gridded files from shoreline data base
<BR><A NAME="tex2html119"
HREF="../grdmask.html"><I><B>grdmask</B></I></A><A NAME="1992"></A> Reset grid nodes in/outside a clip path to constants
<BR><A NAME="tex2html120"
HREF="../grdmath.html"><I><B>grdmath</B></I></A><A NAME="2001"></A> Mathematical operations on gridded files
<BR><A NAME="tex2html121"
HREF="../grdpaste.html"><I><B>grdpaste</B></I></A><A NAME="2010"></A> Paste together gridded files along a common edge
<BR><A NAME="tex2html122"
HREF="../grdproject.html"><I><B>grdproject</B></I></A><A NAME="2019"></A> Project gridded data sets onto a new coordinate system
<BR><A NAME="tex2html123"
HREF="../grdreformat.html"><I><B>grdreformat</B></I></A><A NAME="2028"></A> Converts gridded files into other grid formats
<BR><A NAME="tex2html124"
HREF="../grdsample.html"><I><B>grdsample</B></I></A><A NAME="2037"></A> Resample a 2-D gridded data set onto a new grid
<BR><A NAME="tex2html125"
HREF="../grdtrack.html"><I><B>grdtrack</B></I></A><A NAME="2046"></A> Sampling of 2-D gridded data set along 1-D track
<BR><A NAME="tex2html126"
HREF="../grdtrend.html"><I><B>grdtrend</B></I></A><A NAME="2055"></A> Fits polynomial trends to gridded files
<BR><A NAME="tex2html127"
HREF="../grdvector.html"><I><B>grdvector</B></I></A><A NAME="2064"></A> Plotting of 2-D gridded vector fields
<BR><A NAME="tex2html128"
HREF="../grdview.html"><I><B>grdview</B></I></A><A NAME="2073"></A> 3-D perspective imaging of 2-D gridded data sets
<BR><A NAME="tex2html129"
HREF="../grdvolume.html"><I><B>grdvolume</B></I></A><A NAME="2082"></A> Calculate volumes under a surface within specified contour
<BR><A NAME="tex2html130"
HREF="../makecpt.html"><I><B>makecpt</B></I></A><A NAME="2091"></A> Make color palette tables
<BR><A NAME="tex2html131"
HREF="../mapproject.html"><I><B>mapproject</B></I></A><A NAME="2100"></A> Transformation of coordinate systems for table data
<BR><A NAME="tex2html132"
HREF="../minmax.html"><I><B>minmax</B></I></A><A NAME="2109"></A> Report extreme values in table data files
<BR><A NAME="tex2html133"
HREF="../nearneighbor.html"><I><B>nearneighbor</B></I></A><A NAME="2118"></A> Nearest-neighbor gridding scheme
<BR><A NAME="tex2html134"
HREF="../project.html"><I><B>project</B></I></A><A NAME="2127"></A> Project table data onto lines or great circles
<BR><A NAME="tex2html135"
HREF="../psbasemap.html"><I><B>psbasemap</B></I></A><A NAME="2136"></A> Create a basemap plot
<BR><A NAME="tex2html136"
HREF="../psclip.html"><I><B>psclip</B></I></A><A NAME="2145"></A> Use polygon files to define clipping paths
<BR><A NAME="tex2html137"
HREF="../pscoast.html"><I><B>pscoast</B></I></A><A NAME="2154"></A> Plot [and fill] coastlines, borders, and rivers on maps
<BR><A NAME="tex2html138"
HREF="../pscontour.html"><I><B>pscontour</B></I></A><A NAME="2163"></A> Contour or image raw table data by triangulation
<BR><A NAME="tex2html139"
HREF="../pshistogram.html"><I><B>pshistogram</B></I></A><A NAME="2172"></A> Plot a histogram
<BR><A NAME="tex2html140"
HREF="../psimage.html"><I><B>psimage</B></I></A><A NAME="2181"></A> Plot Sun rasterfiles on a map
<BR><A NAME="tex2html141"
HREF="../psmask.html"><I><B>psmask</B></I></A><A NAME="2190"></A> Create overlay to mask out regions on maps
<BR><A NAME="tex2html142"
HREF="../psrose.html"><I><B>psrose</B></I></A><A NAME="2199"></A> Plot sector or rose diagrams
<BR><A NAME="tex2html143"
HREF="../psscale.html"><I><B>psscale</B></I></A><A NAME="2208"></A> Plot grayscale or colorscale on maps
<BR><A NAME="tex2html144"
HREF="../pstext.html"><I><B>pstext</B></I></A><A NAME="2217"></A> Plot textstrings on maps
<BR><A NAME="tex2html145"
HREF="../pswiggle.html"><I><B>pswiggle</B></I></A><A NAME="2226"></A> Draw table data time-series along track on maps
<BR><A NAME="tex2html146"
HREF="../psxy.html"><I><B>psxy</B></I></A><A NAME="2235"></A> Plot symbols, polygons, and lines on maps
<BR><A NAME="tex2html147"
HREF="../psxyz.html"><I><B>psxyz</B></I></A><A NAME="2244"></A> Plot symbols, polygons, and lines in 3-D
<BR><A NAME="tex2html148"
HREF="../sample1d.html"><I><B>sample1d</B></I></A><A NAME="2253"></A> Resampling of 1-D table data sets
<BR><A NAME="tex2html149"
HREF="../spectrum1d.html"><I><B>spectrum1d</B></I></A><A NAME="2262"></A> Compute various spectral estimates from time-series
<BR><A NAME="tex2html150"
HREF="../splitxyz.html"><I><B>splitxyz</B></I></A><A NAME="2271"></A> Split <I>xyz</I> files into several segments
<BR><A NAME="tex2html151"
HREF="../surface.html"><I><B>surface</B></I></A><A NAME="2280"></A> A continuous curvature gridding algorithm
<BR><A NAME="tex2html152"
HREF="../trend1d.html"><I><B>trend1d</B></I></A><A NAME="2289"></A> Fits polynomial or Fourier trends to <IMG
WIDTH="59" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
SRC="img14.gif"
ALT="$y = f(x)$"> series
<BR><A NAME="tex2html153"
HREF="../trend2d.html"><I><B>trend2d</B></I></A><A NAME="2298"></A> Fits polynomial trends to <IMG
WIDTH="72" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
SRC="img15.gif"
ALT="$z = f(x,y)$"> series
<BR><A NAME="tex2html154"
HREF="../triangulate.html"><I><B>triangulate</B></I></A><A NAME="2307"></A> Perform optimal Delauney triangulation and gridding
<BR><A NAME="tex2html155"
HREF="../xyz2grd.html"><I><B>xyz2grd</B></I></A><A NAME="2316"></A> Convert an equidistant table <I>xyz</I> file to a 2-D gridded file
</TT></PRE>
<A NAME="1079"></A>
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<ADDRESS>
Paul Wessel
2001-04-18
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