Archive for May, 2009

Monday, May 18th, 2009

Programming fonts

I saw this post about a Top 10 list of programming fonts that might be of interest to other programmers. The comments offer a few more good suggests, too. I checked them out, but still use anti-aliased 12pt Monaco.

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Thursday, May 14th, 2009

Randal Schwartz talk about dynamic languages

Randal Schwartz recently gave a talk called “Dynamic Returns” dealing with misconceptions about dynamically typed languages (published as episode 135 of the Industry Misinterpretations podcast). His audience for the talk is composed of Smalltalk developers, but the points made are general and equally valid for other dynamic languages like IDL, Python, etc (at least in […]

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Monday, May 11th, 2009

Command line options for your IDL program

The COMMAND_LINE_ARGS routine was introduced in IDL 6.2, allowing IDL programs to access command line args passed to IDL when starting it. For example, to pass command line arguments into the MYPROGRAM routine, call IDL like below: $ idl -e “myprogram” -args a b c Then, in MYPROGRAM, the command line arguments could be retrieved […]

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Monday, May 11th, 2009

IDL 7.1 resources

More information about the upcoming IDL 7.1 release is now available on the ITT VIS website. This agrees with what I heard about IDL’s roadmap at VISualize 2009.

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Wednesday, May 6th, 2009

Color blindness simulators

9-12% of men have some form of color blindness. When producing visualizations, it can be useful to simulate what the colors used in your visualizations look like to people with various types of color blindness. The two that I use are Color Oracle and Sim Daltonism. Color Oracle is available for Windows, Mac, and Linux. […]

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Tuesday, May 5th, 2009

Horizon graph code

I mentioned horizon graphs previously, but didn’t give the code for producing them. Here’s the VIS_HORIZON routine (docs), but you will need VIS_LOADCT and the Brewer color table file to run the example program i.e. .run vis_horizon. UPDATE: you also need VIS_SRC_ROOT. I’ve found horizon graphs are a good choice as an alternative to using […]

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