Download An Introduction to Programming with IDL. Interactive Data by Kenneth P. Bowman PDF

By Kenneth P. Bowman

Content material:
Preface

, Pages xi-xii
Acknowledgments

, Page xiii
1 - Introduction

, Pages 3-7
2 - IDL Manuals and Books

, Pages 9-12
3 - Interactive IDL

, Pages 13-31,I
4 - IDL Scripts (Batch Jobs)

, Pages 33-38
5 - Integer Constants and Variables

, Pages 39-48
6 - Floating-Point Constants and Variables

, Pages 49-58
7 - utilizing Arrays

, Pages 59-76
8 - looking out and Sorting

, Pages 77-82
9 - Structures

, Pages 83-90
10 - Printing Text

, Pages 93-100
11 - examining Text

, Pages 101-105
12 - Writing and analyzing Binary Files

, Pages 107-114
13 - analyzing NetCDF Files

, Pages 115-125
14 - Writing NetCDF Files

, Pages 127-133
15 - approaches and Functions

, Pages 137-151
16 - software Control

, Pages 153-157
17 - Line Graphs

, Pages 161-170
18 - Contour and floor Plots

, Pages 171-179
19 - Mapping

, Pages 181-191
20 - Printing Graphics

, Pages 193-200
21 - colour and picture Display

, Pages 201-218,II-V
22 - Animation

, Pages 219-224
23 - records and Pseudorandom Numbers

, Pages 227-235
24 - Interpolation

, Pages 237-246,VI-VII
25 - Fourier Analysis

, Pages 247-262,VIII
Appendix A - An IDL variety Guide

, Pages 263-270
Appendix B - instance methods, capabilities, Scripts, and knowledge Files

, Pages 271-276
Bibliography

, Page 277
Index

, Pages 279-286

Show description

Read or Download An Introduction to Programming with IDL. Interactive Data Language PDF

Best introductory & beginning books

Programming in the 1990s: An Introduction to the Calculation of Programs

Programming is an interesting and difficult topic. regrettably, it's not often awarded as such. normally it really is taught via "induction": gains of a few well-known programming languages are given operational which means (e. g. a loop "goes around and round"), a couple of examples are proven, and via induction, we're requested to boost different courses, frequently appreciably diversified from those we have seen.

PIC Programming for Beginners

PIC Programming for novices is an introductory consultant to realizing PIC layout and improvement. Written in a construction block process, this ebook presents readers a powerful beginning at the topic. As you discover the potential for those strong units, you’ll locate that operating with photographs is straightforward, academic and most significantly enjoyable.

Computers for Librarians. An Introduction to the Electronic Library

Pcs for Librarians is aimed basically at scholars of library and knowledge administration and at these library and knowledge provider pros who believe the necessity for a e-book that would supply them a extensive assessment of the rising digital library. It takes a top-down method, beginning with functions corresponding to the web, details resources and providers, provision of entry to info assets and library administration platforms, ahead of taking a look at information administration, computers and expertise, info communications and networking, and library platforms improvement.

C Programming: Step By Step Beginner's To Experts Edition

Crucial C Skills-Made Easy–Without worry! This C Programming ebook supplies an excellent commence and entire creation for C Programming for Beginner’s. examine the all fundamentals and complex good points of C programming very quickly from Bestselling Programming writer Harry. H. Chaudhary. This ebook, begins with the fundamentals; I promise this booklet will make you a hundred% professional point champion of C Programming.

Extra info for An Introduction to Programming with IDL. Interactive Data Language

Example text

Color images can be stored using 3 bytes per pixel—one byte for red, one for green, and one for blue. Professional-quality digital imaging systems nowadays usually use more than 8 bits for each color (or channel ), but 8-bit grayscale and 24-bit color images work very well for most computer applications. 1 See the DIST, BYTSCL, and TV functions in IDL Reference Guide. A grayscale image created by using a BYTE array. 4 INT Constants and Variables Fortunately, IDL has other integer types with more than 8 bits.

1) for a set of n evenly spaced values of x between 0 and 1. That is, you want to calculate yi = sin(2πxi ), where xi = i · δx, δx = 1/(n − 1), and i = 0, 1, 2, . . , n − 1. 2) In order to compute yi , it is first necessary to compute the values of the independent coordinate xi . 00000 Remember that array subscripts use square brackets, whereas function references (such as the FLOAT function) use parentheses. Because i is explicitly converted to a FLOAT, the expression n−1 is automatically promoted to a FLOAT.

In this script, the input and output arrays x, y, and z are created. Then the time is compared for the FOR loop and the array syntax by calculating the elapsed time with the SYSTIME function. (This includes only the time to do the arithmetic operation, omitting the time required to allocate the arrays in See the SYSTIME function in IDL Reference Guide. 958165 times faster. If you run the script again, the answers will vary slightly depending on what else the computer is doing. On this computer the array syntax is almost 40 times faster than the FOR loop.

Download PDF sample

Rated 4.85 of 5 – based on 33 votes