#Idl tv code#
There are two options for getting and running the software:ġ) Download the pre-compiled IDL saveset containing CDAWlib following the instructionsĢ) Or, get a copy of the CDAWlib source code and follow the general installation instructions below. We will try to address problems that you may find.
#Idl tv software#
The software has been tested but is not guaranteed to be bug free. We do not specifically call them all out here but they are all internally documented. GUI Programming vs.The CDF plotting routines available here underlie the CDAWeb software they are supplied here in a package of IDL functions and procedures called CDAWlib. Positioning Graphics in the Drawable AreaĬhapter 9: Graphical User Interfaces (GUIs) Saving a 24-bit Image to a Bitmap Output FileĪ Program for Saving the Screen to a Bitmap Output File Saving an 8-bit Image to a Bitmap Output File
Plotting in Normal and Device Coordinatesĭisplaying Regularly Gridded Images on Map Projectionsĭisplaying Multiple Images with Separate Color TablesĬomputing Image Size and Offset Automaticallyĭisplaying TrueColor Images in 24-bit Display Modeĭisplaying TrueColor Images in 8-bit Display Modeħ.6 Displaying Images on the PostScript and Printer Devicesĭisplaying PseudoColor Images on the PostScript Deviceĭisplaying PseudoColor Images on the Printer Deviceĭisplaying TrueColor Images on the PostScript Deviceĭisplaying TrueColor Images on the Printer Device Invisible Graphics Windows (Pixmaps) and Animation Selecting a Display Mode via a Startup File Selecting a Display Mode: Windows and MacOS platforms Using a Wrapper Procedure to Read a Variable Reading Binary Data via an Associated Variableĭiscovering the Contents of a netCDF file
#Idl tv portable#
Programs to Write and Read Portable Binary Data Writing Binary Data to an Unformatted File Reading an Unformatted File (Mixed Data Types)īyte Swapping (or Big-endian versus Little-endian) Reading an Unformatted File (Single Data Type) Returning to the Main Level after an Errorģ.5 Scripts, Include Files, and JournalingĤ.4 Reading and Writing Formatted (ASCII) FilesĤ.5 Reading and Writing Unformatted (Binary) Files Resizing to Arbitrary Size with Custom Interpolation Operator Precedence and Efficiency of Array OperationsĪrray and Matrix Multiplication OperatorsĬombining Relational and Boolean Operatorsįinding Values Which Meet Selection Criteriaįinding Values Which Don't Meet Selection Criteria Multi-dimensional Array Indexing Examples Key FeaturesĬonverting between String and Numeric Types Scientists, engineers, and students in educational, government, and commercial research and development environments will all appreciate the author's guidance in helping them effectively analyze and visualize data. In addition, the book offers readers practical tips and advice on IDL programming, which they would otherwise discover only after years of experience.While only modest prior programming experience is assumed, readers with experience in any procedural language will quickly translate their skills to IDL, learning the best programming practices for this new environment.
The example programs in the book demonstrate key concepts and provide functionality that can be applied immediately.
#Idl tv how to#
He presents concise information on how to develop IDL programmers that are well structured, reliable, and efficient. Gumley provides a solid foundation in the fundamentals of procedural programming in IDL. A popular data analysis and visualization programming environment, IDL is used worldwide by scientists and engineers in fields as diverse as the physical sciences, medical physics, and engineering test and analysis.In Practical IDL Programming, Liam E. Interactive Data Language, IDL, was designed to address just this need. Increasingly, scientists and engineers must quickly and efficiently analyze and visualize extremely large sets of data.
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