Archive for January, 2009

Monday, January 26th, 2009

Horizon graphs in IDL

Horizon graphs divide a plot into bands that are collapsed into a smaller space and distinguished by color. In the below plot, dark blue represents the largest positive change, medium blue a moderate positive change, light blue a small positive change, and red is divided the same way for negative changes. Stock change over the […]

3 Comments » - Posted in IDL,Visualization by

Monday, January 19th, 2009

Processing on FLOSS Weekly

Another great interview on FLOSS Weekly, this time interviewing Ben Fry and Casey Reas about Processing. Also, I listened to, but forgot to mention, the interview of David Buck and Chris Cason of POV-Ray last February. By the way, here is a fairly simple visualization I recently did as an exercise of using Processing.js, a […]

5 Comments » - Posted in Visualization by

Thursday, January 15th, 2009

IDLdoc 3.2 in development

A new version of IDLdoc (IDLdoc 3.2) will be coming out soon. Make sure you are on the mailing list if you want to participate in the beta and be notified of the release. New features for this release will include: ability to generate printed documentation i.e. LaTeX to PDF generate documentation for DLMs And, […]

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Wednesday, January 7th, 2009

LaTeX output from IDLdoc

I have a set of LaTeX templates for IDLdoc. I’m still polishing them up a bit, but they will be in IDLdoc 3.2; printed documentation in the form of LaTeX and DocBook output will be the major features. Here’s an example PDF generated by the IDLdoc trunk. Compare to the DocBook output (PDF) previously mentioned.

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Monday, January 5th, 2009

Open MPI on FLOSS Weekly

FLOSS Weekly just talked to Jeff Squyres about Open MPI. Open MPI is one implementation of the message passing interface (MPI) standard. Open MPI can be used with mpIDL to use MPI within IDL. Particularly interesting was the discussion about connections with GPU computing (we recently made an mpiDL/GPULib example which ran on a “personal […]

1 Comment » - Posted in HPC,IDL by

Friday, January 2nd, 2009

Free 250m True Marble global dataset

Unearthed Outdoors is making the 250m True Marble global dataset available for free. GeoTIFF (9.6 GB) and PNG (6.67 GB) versions available. The dataset consists of 32 tiles of 21600 by 216000 pixels each, making a full 172800 by 86400 pixel image. True Marble by Unearthed Outdoors, LLC is licensed under a Creative Commons Attribution […]

1 Comment » - Posted in IDL,Visualization by

Thursday, January 1st, 2009

1RM 1.2

I made a few changes to my 1RM Mac OS Dashboard widget. This computes a theoretical one-rep maximum given a weight and number of reps for the lift. This update brings full Leopard compatibility (the “Done” button on the back was screwed up a bit) and a tweak to the formula so that the 1RM […]

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