Monthly Archives: May 2012

Native OPeNDAP support in IDL

Posted on May 31, 2012 by

OPeNDAP is an acronym for “Open-source Project for a Network Data Access Protocol.” From the OPeNDAP website: “OPeNDAP provides software which makes local data accessible to remote locations regardless of local storage format.” Through Unidata’s netCDF-4 library, IDL 8.2 includes … Continue reading →

Posted in data access, language, visualization | Tagged , , , , , , , | 5 Comments

IDL 8.2 released!

Posted on May 24, 2012 by

IDL 8.2 is now available for download from the Exelis VIS website. It includes many enhancements—primarily in (New) Graphics and in the IDL widget toolkit—that help strengthen IDL 8. Here’s a list of some of the new/improved features in IDL … Continue reading →

Posted in VIS | Tagged , | 5 Comments

An ENVI 5 extension

Posted on May 17, 2012 by

Last week, I showed an example of an ENVI 5 batch program; this week, I’ll show an extension, the successor to a user function in ENVI Classic. (Be warned, though, that this turned into a long post.) Extensions are programs executed … Continue reading →

Posted in data access, language, programming | Tagged , , , | 2 Comments

An ENVI 5 batch program

Posted on May 10, 2012 by

ENVI 5, released last week, has a new UI and API. I’d like to show a pair of examples that use the API: this week, a batch program; next week, an extension (the successor to a user function). Batch programs … Continue reading →

Posted in data access, language, programming | Tagged , , | 5 Comments

The merits of an example main program

Posted on May 3, 2012 by

When I write a new routine in IDL—a procedure or a function or a class—I like to include a main program at the bottom of the file. I use the main program to demonstrate the calling syntax of the routine … Continue reading →

Posted in programming | Tagged , | 2 Comments