1. Coyote's Guide To IDL Programming A guide to IDL (Interactive Data Language) programming, example programs, and other resources. http://www.dfanning.com/

Coyote's Guide to IDL Programming Welcome to Coyote's Guide to IDL Programming . I'm David Fanning and I am an independent IDL programming and training consultant. I started Fanning Software Consulting in late 1996. Before that, I was the Director of IDL Training at Research Systems, Inc. (RSI). I am a past Chairman of the IDL Expert Programmer's Association and the author of IDL Programming Techniques, 2nd Edition , a book written with the intention of helping you learn the essential techniques of IDL programming. Coyote's Guide to IDL Programming is a resource for people who want to learn more about IDL. I appreciate your comment, suggestions and questions . This is what Mark Hadfield, an IDL user in New Zealand, had to say after he spent some time poking around here: Your IDL programming site is a BLOODY TREASURE, what we call in New Zealand a "taonga". RSI should pay you a great deal of money for turning their powerful but cranky data analysis system into something useful, approaching elegance. Alas, there's no money in it. But I do enjoy

2. Coyote's Guide To IDL Programming A guide to IDL (Interactive Data Language) programming, example programs, and other resources. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

3. IDL Programming Tips idl programming Tips and Examples. See the Coyote s Guide to idl programming for details on how you can make your appreciation count. http://www.dfanning.com/documents/tips.html

IDL Programming Tips This IDL Programming Tips and Tricks database is constantly being updated. I have a large collection of tips I've collected from teaching hundreds of IDL programming classes and from the IDL news group (comp.lang.idl-pvwave). I try to add a half dozen or so new tips per month. Doing so takes quite a bit of time. If you find this information helpful, and you would like to contribute to this free service, please consider making a small PayPal donation to support it. Any amount is appreciated, but Coyote donates all contributions to local charitable organizations, so bigger is always better! See the Coyote's Guide to IDL Programming for details on how you can make your appreciation count. If you have a question that you would like to see answered here, please fill out this question form . I'll see what I can do to find an answer. Search Coyote's Guide to IDL Programming Web Coyote's Guide to IDL Programming Tip Topics New Tips Color Tips Error Messages File Reading/Writing Tips ... Widget Programming Tips New IDL Programming Tips Small examples to illuminate the IDL Way How can I suppress the line feed character and print two values on the same line with different Print commands?

4. IDL Programming Tips idl programming Tips and Examples http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

5. Practical IDL Programming Practical idl programming serves as a useful tutorial, source of examples, Practical idl programming is a guide to procedural programming in Interactive http://www.gumley.com/

Practical IDL Programming by Liam E. Gumley "On behalf of Research Systems Incorporated and the community of IDL users and programmers, I would like to thank Liam Gumley for writing this valuable and long overdue book. Practical IDL Programming serves as a useful tutorial, source of examples, and reference for those wishing to learn or to master IDL. It gives me great pleasure to recommend this book to you." From the Foreword by David Stern, inventor of IDL and founder of Research Systems Incorporated "Precisely the book I wished to have available when I first learned IDL." Martin Schultz, Max Planck Institut fuer Meteorologie "A well presented explanation of the practical application of IDL." Paul van Delst, University of Wisconsin-Madison 508 pages, Paperback, ISBN 1558607005, Morgan Kaufmann Publishers Practical IDL Programming is a guide to procedural programming in Interactive Data Language , a widely used environment for scientific data analysis and visualization. The third printing is now available (Dec. 04). Purchase the book online at Amazon Barnes and Noble , or Best Book Deal About the Book Table of Contents, Sample programs...

6. RSI - IDL Software 6.1 Guided Evaluation IDL Student Edition. Researchers. Get to discovery faster with IDL. Take advantage of the flexibility of a programming http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

7. IDL On The Web IDL on the Web. Part of the Practical idl programming Web. Many valuable resources are available online for IDL programmers. A few minutes spent searching http://www.gumley.com/PIP/IDL_on_Web.html

IDL on the Web Part of the Practical IDL Programming Web Many valuable resources are available online for IDL programmers. A few minutes spent searching the web will often yield source code for a particular application or advice on how to solve a problem. Good programmers know when to write new code, but great programmers know when to use someone else's code. General information The RSI web site provides product information about IDL (e.g., current supported platforms), as well as marketing and technical support information. Installable versions of IDL may be downloaded from the RSI anonymous FTP site . A particularly useful resource is the searchable database of IDL technical tips from the RSI support staff. The Usenet newsgroup comp.lang.idl-pvwave is an active discussion forum for IDL programming issues, and is frequented by many expert IDL programmers who are willing to answer questions. You can also access the newsgroup via Google Groups The Astronomy Library includes thousands of IDL procedures and functions developed by the astronomical community. This site also offers a searchable index and a comprehensive list of links to other IDL-related web sites and project specific IDL libraries, including a library for reading and writing data in the Flexible Image Transport System (FITS) format. The Applied Physics Laboratory Library at Johns Hopkins University is a comprehensive general purpose IDL library containing over 600 procedures and functions.

8. UML Diagramming, OO Software Modeling, Source Code Engineering Tool MagicDraw UM A visual UML modeling and CASE tool with teamwork support. It provides the code engineering mechanism (with full roundtrip support for Java, C , C++, and CORBA idl programming languages), as well as database schema modeling, DDL generation and reverse engineering facilities. http://www.magicdraw.com/

MagicDraw UML Wins TWO Coveted Awards in the Java Developer's Journal Readers' Choice Awards No Magic, Inc, headquartered in Golden, CO, announced that the Java Developer's Journal, the world's leading Java resource, has named No Magic's MagicDraw TM UML the Best Java Modeling Tool and MagicDraw TM Teamwork Server the Best Team Development Tool . Read full press release PDF HTML August 17, 2005 MagicDraw UML 10.0 EAP Beta 2 is released! No Magic is pleased to announce an Early Access Program (EAP) release of MagicDraw UML. Version 10.0 EAP Beta 2 includes all features that will be in the 10.0 GA final release available in October. To perfect the final release, we encourage you to try these new features and give us as much feedback as possible during the EAP Beta 2 period. What's new in MagicDraw 10.0 EAP Beta 2: UML 2.0 metamodel support. New diagrams and other improvements in support of UML 2.0. XMI 2.1 support. Business process modeling using BPMN (Business Process Modeling Notation) support. Completely redesigned Smart Manipulators functionality that increases the speed of modeling and diagramming. New more convenient GUI and non-modal windows for Specification dialogs.

9. Practical IDL Programming Practical idl programming by Liam E. Gumley http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

10. Programming In IDL Programming in IDL. Kinds of Programs in IDL. Batch Files. Mains. Procedures and Functions. Conditional Statements. if then. EQ, NE, GT, GE, LT, LE http://amath.colorado.edu/scico/tutorials/idl/Programming.html

Programming in IDL Kinds of Programs in IDL Batch Files Mains Procedures and Functions Conditional Statements if then ... Advanced Topics (time permitting) Types of Programs Batch Files A batch file works just like something you type in at the command line. Execute a batch file with @mybatch . Note the Good for taking care of a bunch of common tasks. For example, I use the following batch file to (re)compile and run a procedure which has several supporting functions and procedures (notice they are also recompiled). retall close, /all .run read_writeequator .run onion .run hold_mixing_ratios .run plotmod onion As seen above, batch files can execute 'executive' commands ( .run, .compile ...). Procedures and functions cannot use these commands, which can make compiling supporting routines tricky. Inserting a batch file into another program is just like copying the contents of the batch file into that location in the new program. You can use this to save a lot of typing of common blocks of code. Main's Has no declaration a the beginning (contrast this with functions and procedures) and ends with END Only one main can be in use at a time.

11. IDL Programming Techniques, Second Edition A book to describe by example those idl programming techniques essential in daily programming tasks. http://www.dfanning.com/documents/books.html

IDL Programming Techniques, Second Edition IDL Programming Techniques, 2nd Edition ISBN 0-9662383-2-X November 2000 Current with IDL version 5.6 Notes on the First Edition When I wanted to draw my first line plot in IDL (Interactive Data Language from Research Systems, Inc.) over 10 years ago, I had to read through the entire manualtwiceto understand how it was done. Although the documentation has changed dramatically in the intervening years, it is still difficult for someone new to IDL to sift through the documentation, separating the twenty percent of the information they need daily from the eighty percent they need infrequently. What I set out to do in this book is to describe by example those IDL programming techniques I find essential in my own daily programming tasks. The book has been refined over so many years I feel confident predicting you will find described within its pages over eighty percent of what you ever want to do in IDL. Another goal for this book was to demonstrate for fellow scientists who may have taught themselves computer programming how to write an "elegant" IDL program. I've been teaching people how to use IDL for almost as long as I have been using it myself. I've seen a lot of programs that "work", but are otherwise poorly written. (Alas, many of these programs have been my own.) These programs are difficult to extend, modify, and maintain. In this book I wanted to lay out a handful of simple IDL programming principles that would allow users to write elegant programs with resizeable graphics windows, easy and automatic access to PostScript, GIF, and JPEG file output, intelligent use of color, and with intuitive graphical user interfaces. Moreover, I wanted to describe an object-oriented programming style that makes programs easy to maintain, modify, and extend over time. These principles (and especially the information on writing widget programs, or programs with graphical user interfaces) can be found nowhere else.

12. IDL On The Web IDL on the Web. Part of the Practical idl programming Web Many valuable resources are available online for IDL programmers. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

13. IDL Programming Language - Wikipedia, The Free Encyclopedia IDL, short for interactive data language, is a programming language which is a As most other array programming languages, IDL is very fast doing vector http://en.wikipedia.org/wiki/IDL_programming_language

IDL programming language From Wikipedia, the free encyclopedia. IDL , short for interactive data language , is a programming language which is a popular data analysis language among scientists. IDL is often confused, at the acronym level, with another (unrelated) "IDL": the Interface description language Contents Overview History Features Problems ... edit Overview IDL is vectorized , numerical, interactive, Fortran -like, and is commonly used for interactive processing of large amounts of data (including image processing ), right from the keyboard. IDL originated from early VAX/VMS /Fortran, and its syntax still shows its heritage: x = findgen(100)/10 y = sin(x)/x plot,x,y Note that the operation in the second line applies in a vectorized manner to the whole 100-element array created in the first line, analogous to the way general-purpose array programming languages (such as APL or J ) would do it. As most other array programming languages, IDL is very fast doing vector operations (sometimes as fast as a well-coded custom loop in FORTRAN or C ) but quite slow if elements need processing one-by-one. Hence part of the art of using IDL (or any other array programming language, for that matter) for numerically heavy computations is to make use of the inbuilt vector operations.

14. Better IDL HDF Documentation Provides IDL HDF Documentation, links to idl programming techniques, charts and software. http://www.dfanning.com/tips/hdf_documentation.html

Better IDL HDF Documentation QUESTION: I can't make heads or tails of the IDL HDF scientific file format documentation. Can you help me read and write an HDF file? ANSWER: There really is no other way to say this: the IDL HDF documentation is not very good. What was really missing for me when I started to learn how to read and write HDF files was a coherent explanation of the HDF application programming interface (API). Since I couldn't find one, I wrote my own. It eventually became a chapter on reading and writing HDF files that I included in IDL Programming Techniques The chapter covers the HDF scientific data format in general, but it specifically shows you how to read and write scientific data sets (SDS), including data sets with unlimited dimensions. In addition, you will learn how to read and write file and SDS attributes (the metadata that can be stored with the data itself), how to use dimensions and scales, and how to store a color palette with your HDF file, so the person working with your data sees exactly what you see. Here is a table that describes the API for the SD interface. I don't think I could have figured anything out without this table!

15. Links To Other Astronomy And IDL Related Sites An annotated list of links of interest to astronomers who use the idl programming language http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

16. Epsilon Nought - IDL Programming IDL, the Interactive Data Language, is an optimised programming language for data analysis, visualisation and array handling. http://epsilon.nought.de/idl.php

IDL, the Interactive Data Language , is an optimised programming language for data analysis, visualisation and array handling. It is interpreted, and therefore not so fast as for example C, but you can save a lot of time while developing your programs. I really like it, although it is much too expensive in my opinion. One problem I encountered is that the IDL community seems to be rather small and it can be very hard to find some help or useful programs in IDL on the net. To make my own small contribution I therefore publish here some of my routines in IDL. Most of them are rather simple tools, written to simplify the daily handling of SAR data. New: RAT (Radar Tools): An open-source SAR image processing software General IDL routines Download Extending linear algebra capabilities of IDL using LAPACK ... FFTW for IDL (faster FFT's than the buildin-ones) If somebody else have a program or something else which he thinks is worth to add, just mail me and I will upload it. I'll of course try to add more and more things by myself, but as always, the more help I get, the better the library will get!!

17. UML Diagramming, OO Software Modeling, Source Code Engineering Corba IDL reverse error when constant value expression is 0; MySQL forward engineering problems related with primary key name; http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

18. Liam E. Gumley Some IDL resources and links to others. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

19. RSI Training In Practical idl programming, Liam E. Gumley provides a solid foundation in the idl programming Techniques, 2nd Edition is written especially for people http://www.rsinc.com/training/books.asp

dqmcodebase = "//www.rsinc.com/Templates/javamenu/" //script folder location English English UK French Italian German Spanish Advanced Search Solutions for Data Visualization and Image Analysis Sign In New User? Start Here Available Classes Training Schedule OnSite Training ... Request Info RSI Newsletter The RSI Developments Newsletter is a quarterly e-newsletter with the latest information on RSI products, solutions and user stories. View Now Subscribe RSI Web Seminars Our FREE online Web Seminars give you the latest information on RSI product features and functionality. View now RSI Training Programs RSI offers progressive, custom and on-site courses on IDL and ENVI for every experience level. Available Courses RSI Academic Programs RSI offers programs for users at university and college campuses. Find out more Training Books and Training Manuals IDL ENVI Authored Books Utilizing Our Software Research Systems supports the development of textbooks that utilize our software. If you are writing or considering authoring a book based on one of our software products, contact our Training Programs Department at training@rsinc.com

20. Epsilon Nought - IDL Programming IDL, the Interactive Data Language, is an optimised programming language for data analysis, visualisation and array handling. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

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