idl经典教程2

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idl Programming_Techniques-2nd_edition(DavidW.Fanning5.3.pdf

This book grew out of many years of teaching scientists and engineers to use and
program IDL (Interactive Data Language), most of the time while working for
Research Systems, the developers of IDL. As I answered question after question, I
realized most questions fall into a handful of broad categories. The truth is, most of us
want to do pretty much the same things with IDL. We want to analyze and display our
data, write efficient programs to solve our scientific problems, and-most of all-get
our work done quickly. What most of us do ~zot want to do is read computer software
manuals.

IDL is a big software program that is getting bigger every day. It comes with an
impressive (and heavy) amount of documentation, which no one I know wants to read.
IDL can be intimidating even to experienced users, let alone to someone just starting
out to learn its mysteries. This book is meant to bring IDL under control. It is meant to
teach you 80 percent of what you absolutely need to know to work with IDL on a daily
basis. And, most importantly, it is meant to do that with examples that are easy to
understand. More than anything, it is a book that shows you how to work with IDL.
I envision the audience for this book as people just starting to use IDL and, more
particularly, people who have had to learn to use IDL on their own. Learning IDL well
is a long process. Most of us don't get the time in our jobs to do it properly. I wanted
to write a book that can put IDL in context for both groups of people. To that end, this
book is an overview of the essential elements of IDL for people who don't like to read
manuals and who learn best by example. It is a compendiun~ of IDL programming tips
and techniques that can only be learned by experience. Essentially, this is the book I
wish I had when I was learning to use IDL!

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