<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 2002-2-1 (1.71) original version by: Nikos Drakos, CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>GMT - A Map-making Tutorial</TITLE> <META NAME="description" CONTENT="GMT - A Map-making Tutorial"> <META NAME="keywords" CONTENT="GMT_Tutorial"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META NAME="Generator" CONTENT="LaTeX2HTML v2002-2-1"> <META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"> <LINK REL="STYLESHEET" HREF="GMT_Tutorial.css"> <LINK REL="next" HREF="node1.html"> </HEAD> <BODY bgcolor="#ffffff"> <!--Navigation Panel--> <A NAME="tex2html246" HREF="node1.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_g.png"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev_g.png"> <A NAME="tex2html242" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <A NAME="tex2html244" HREF="node63.html"> <IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="index.png"></A> <BR> <B> Next:</B> <A NAME="tex2html247" HREF="node1.html">Contents</A> <B> <A NAME="tex2html243" HREF="node1.html">Contents</A></B> <B> <A NAME="tex2html245" HREF="node63.html">Index</A></B> <BR> <BR> <!--End of Navigation Panel--> <P> <P> <P> <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}"> </FONT></DIV> <P> <DIV ALIGN="CENTER"><FONT SIZE="+3"><FONT SIZE="+4"><B>Version 4.5.3</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>July 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 WIDTH="628" HEIGHT="312" ALIGN="BOTTOM" BORDER="0" SRC="img3.png" ALT="\includegraphics{scripts/GMT_coverlogo}"> </FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT></DIV> <P> <BR><HR> <!--Table of Child-Links--> <A NAME="CHILD_LINKS"></A> <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> </UL> <!--End of Table of Child-Links--> <HR> <!--Navigation Panel--> <A NAME="tex2html246" HREF="node1.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_g.png"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev_g.png"> <A NAME="tex2html242" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <A NAME="tex2html244" HREF="node63.html"> <IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="index.png"></A> <BR> <B> Next:</B> <A NAME="tex2html247" HREF="node1.html">Contents</A> <B> <A NAME="tex2html243" HREF="node1.html">Contents</A></B> <B> <A NAME="tex2html245" HREF="node63.html">Index</A></B> <!--End of Navigation Panel--> <ADDRESS> Paul Wessel 2010-07-14 </ADDRESS> </BODY> </HTML>