Archive for August, 2008

Friday, August 29th, 2008

CPU-like vs. GPU-like painting

Here’s the difference between computations done on the CPU (like plain IDL) vs. those done on the GPU (like with GPULib) painted out by the Mythbusters crew at the NVISION conference this week. Link via

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Friday, August 29th, 2008

IDL type promotion challenge

I’m looking for a better solution to a sticky question. I had a fairly short “clever” solution until I realized it wasn’t correct in some cases i.e. it was wrong. I’m creating a function to return the type code of the variable necessary to contain the precision of variables of the two input type codes […]

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Monday, August 25th, 2008

Tufte-style LaTeX template

The distinctive style of Edward Tufte‘s books has inspired a project to create a LaTeX template to make mimicking his style easier (Tufte quote: “Don’t get it original—get it right”). Installation is simple (just drop a .cls file into the same directory as your .tex file), though there are many prerequisite packages. The example given […]

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Friday, August 22nd, 2008

Wooden DEMs

Fluid-Forms lets you select a region of the Earth via Google Maps and creates a physical model made of wood. They laminate layers of wood together in alternating colors to produce contour lines when the wood is carved. There are several different models (including a clock). I would get a model of Boulder if it […]

2 Comments » - Posted in Visualization by

Thursday, August 21st, 2008

Another update to the Brewer color table file

The values for color tables 10 and 11 of the Brewer color tables were swapped in the last update. The new version keeps YlOrRd as 10 and YlOrBr as 11, but makes the values correct. See below for what the color tables look like. By the way, I was thinking of adding more color tables. […]

1 Comment » - Posted in IDL,Visualization by

Friday, August 8th, 2008

New articles

I have recently finished some projects at work, so should have some time to write. Look for new articles soon.

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