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<TITLE>GMT - A Map-making Tutorial</TITLE>
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<DIV ALIGN="CENTER">
<FONT SIZE="+3"><B>The Generic Mapping Tools</B></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3">
<BR>
</FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><IMG
WIDTH="627" HEIGHT="113" ALIGN="BOTTOM" BORDER="0"
SRC="img2.png"
ALT="\includegraphics{fig/GMT_covertext}">
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<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><B>Version 4.5.2</B></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4">
<BR>
</FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><B>A Map-making Tutorial</B></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1">
<BR>
<B>by</B></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1">
<BR>
</FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><B>Pål (Paul) Wessel</B></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3">
<BR>
</FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><B>School of Ocean and Earth Science and Technology</B></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><B>University of Hawai'i at Manoa</B></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1">
<BR>
<B>and</B></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1">
<BR>
</FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><FONT SIZE="+3"><B>Walter H. F. Smith</B></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><FONT SIZE="+3">
<BR>
</FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><B>Laboratory for Satellite Altimetry</B></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><B>NOAA/NESDIS</B></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2">
<BR>
</FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><B>Jan 2010</B></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1">
<BR>
</FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV>
<P>
<DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><FONT SIZE="+3"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><FONT SIZE="+3"><FONT SIZE="+2"><FONT SIZE="+1"><IMG
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ALT="\includegraphics{scripts/GMT_coverlogo}">
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<BR><HR>
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<UL>
<LI><A NAME="tex2html248"
HREF="node1.html">Contents</A>
<LI><A NAME="tex2html249"
HREF="node2.html">INTRODUCTION</A>
<UL>
<LI><A NAME="tex2html250"
HREF="node3.html"><B>GMT</B> overview: History, philosophy, and usage</A>
<UL>
<LI><A NAME="tex2html251"
HREF="node4.html">Historical highlights</A>
<LI><A NAME="tex2html252"
HREF="node5.html">Philosophy</A>
<LI><A NAME="tex2html253"
HREF="node6.html">Why is <B>GMT</B> so popular?</A>
<LI><A NAME="tex2html254"
HREF="node7.html"><B>GMT</B> installation considerations</A>
</UL>
</UL>
<BR>
<LI><A NAME="tex2html255"
HREF="node8.html">1. SESSION ONE</A>
<UL>
<LI><A NAME="tex2html256"
HREF="node9.html">1.1 Tutorial setup</A>
<LI><A NAME="tex2html257"
HREF="node10.html">1.2 The <B>GMT</B> environment: What happens when you run <B>GMT</B>?</A>
<UL>
<LI><A NAME="tex2html258"
HREF="node11.html">1.2.1 Input data</A>
<LI><A NAME="tex2html259"
HREF="node12.html">1.2.2 Job Control</A>
<LI><A NAME="tex2html260"
HREF="node13.html">1.2.3 Output data</A>
</UL>
<LI><A NAME="tex2html261"
HREF="node14.html">1.3 The UNIX Environment: Entry Level Knowledge</A>
<UL>
<LI><A NAME="tex2html262"
HREF="node15.html">1.3.1 Redirection</A>
<LI><A NAME="tex2html263"
HREF="node16.html">1.3.2 Piping (<IMG
WIDTH="8" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
SRC="img1.png"
ALT="$\vert$">)</A>
<LI><A NAME="tex2html264"
HREF="node17.html">1.3.3 Standard error (<I>stderr</I>)</A>
<LI><A NAME="tex2html265"
HREF="node18.html">1.3.4 File name expansion or ``wild cards''</A>
<UL>
<LI><A NAME="tex2html266"
HREF="node19.html">1.3.4.1 Examples</A>
</UL>
</UL>
<LI><A NAME="tex2html267"
HREF="node20.html">1.4 Laboratory Exercises</A>
<UL>
<LI><A NAME="tex2html268"
HREF="node21.html">1.4.1 Linear projection</A>
<UL>
<LI><A NAME="tex2html269"
HREF="node22.html">1.4.1.1 Exercises</A>
</UL>
<LI><A NAME="tex2html270"
HREF="node23.html">1.4.2 Logarithmic projection</A>
<UL>
<LI><A NAME="tex2html271"
HREF="node24.html">1.4.2.1 Exercises</A>
</UL>
<LI><A NAME="tex2html272"
HREF="node25.html">1.4.3 Mercator projection</A>
<UL>
<LI><A NAME="tex2html273"
HREF="node26.html">1.4.3.1 Exercises</A>
</UL>
<LI><A NAME="tex2html274"
HREF="node27.html">1.4.4 Albers projection</A>
<UL>
<LI><A NAME="tex2html275"
HREF="node28.html">1.4.4.1 Exercises</A>
</UL>
<LI><A NAME="tex2html276"
HREF="node29.html">1.4.5 Orthographic projection</A>
<UL>
<LI><A NAME="tex2html277"
HREF="node30.html">1.4.5.1 Exercises</A>
</UL>
<LI><A NAME="tex2html278"
HREF="node31.html">1.4.6 Eckert IV and VI projection</A>
<UL>
<LI><A NAME="tex2html279"
HREF="node32.html">1.4.6.1 Exercises</A>
</UL>
</UL>
</UL>
<BR>
<LI><A NAME="tex2html280"
HREF="node33.html">2. SESSION TWO</A>
<UL>
<LI><A NAME="tex2html281"
HREF="node34.html">2.1 General Information</A>
<UL>
<LI><A NAME="tex2html282"
HREF="node35.html">2.1.1 Examples</A>
<LI><A NAME="tex2html283"
HREF="node36.html">2.1.2 Exercises</A>
<LI><A NAME="tex2html284"
HREF="node37.html">2.1.3 More exercises</A>
</UL>
<LI><A NAME="tex2html285"
HREF="node38.html">2.2 Plotting text strings</A>
<LI><A NAME="tex2html286"
HREF="node39.html">2.3 Exercises</A>
</UL>
<BR>
<LI><A NAME="tex2html287"
HREF="node40.html">3. SESSION THREE</A>
<UL>
<LI><A NAME="tex2html288"
HREF="node41.html">3.1 Contouring gridded data sets</A>
<UL>
<LI><A NAME="tex2html289"
HREF="node42.html">3.1.1 Exercises</A>
</UL>
<LI><A NAME="tex2html290"
HREF="node43.html">3.2 Gridding of arbitrarily spaced data</A>
<UL>
<LI><A NAME="tex2html291"
HREF="node44.html">3.2.1 Nearest neighbor gridding</A>
<UL>
<LI><A NAME="tex2html292"
HREF="node45.html">3.2.1.1 Exercises</A>
</UL>
<LI><A NAME="tex2html293"
HREF="node46.html">3.2.2 Gridding with Splines in Tension</A>
<LI><A NAME="tex2html294"
HREF="node47.html">3.2.3 Preprocessing</A>
</UL>
<LI><A NAME="tex2html295"
HREF="node48.html">3.3 Exercises</A>
</UL>
<BR>
<LI><A NAME="tex2html296"
HREF="node49.html">4. SESSION FOUR</A>
<UL>
<LI><A NAME="tex2html297"
HREF="node50.html">4.1 Cpt files</A>
<UL>
<LI><A NAME="tex2html298"
HREF="node51.html">4.1.1 Exercises</A>
</UL>
<LI><A NAME="tex2html299"
HREF="node52.html">4.2 Illumination and intensities</A>
<LI><A NAME="tex2html300"
HREF="node53.html">4.3 Color images</A>
<UL>
<LI><A NAME="tex2html301"
HREF="node54.html">4.3.1 Exercises</A>
</UL>
<LI><A NAME="tex2html302"
HREF="node55.html">4.4 Multi-dimensional maps</A>
<UL>
<LI><A NAME="tex2html303"
HREF="node56.html">4.4.1 Exercises</A>
</UL>
<LI><A NAME="tex2html304"
HREF="node57.html">4.5 Perspective views</A>
<UL>
<LI><A NAME="tex2html305"
HREF="node58.html">4.5.1 Mesh-plot</A>
<UL>
<LI><A NAME="tex2html306"
HREF="node59.html">4.5.1.1 Exercises</A>
</UL>
<LI><A NAME="tex2html307"
HREF="node60.html">4.5.2 Color-coded view</A>
<UL>
<LI><A NAME="tex2html308"
HREF="node61.html">4.5.2.1 Exercises</A>
</UL>
</UL>
</UL>
<BR>
<LI><A NAME="tex2html309"
HREF="node62.html">5. References</A>
<LI><A NAME="tex2html310"
HREF="node63.html">Index</A>
<LI><A NAME="tex2html311"
HREF="node64.html">About this document ...</A>
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<ADDRESS>
Paul Wessel
2010-01-14
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