Archive for November, 2008

Sunday, November 30th, 2008

2008 IDL Christmas Card from Ronn Kling

Ronn Kling just published his 2008 IDL Christmas Card. This year’s card is a “snownado”, a tornado of snowflakes which interact with 3-dimensional objects. The code demonstrates how to efficiently move around many polygons in object graphics. From Ronn’s description of the card: If you are looking for a way to visualize rapidly moving 3D […]

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Wednesday, November 19th, 2008

GPULib 1.0 released

GPULib 1.0 was announced yesterday. If you have been using the pre-release, the biggest new feature of the IDL bindings are the function forms of the routines. For example, it is possible to do: IDL> gpuinit IDL> x = findgen(360) * !dtor IDL> y = 2 * findgen(360) * !dtor IDL> z_gpu = gpusin(gpumult(x, y)) […]

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Thursday, November 13th, 2008

Slides from IDL User’s Group Meeting

I’m not sure when they were put up, but the slides to most of the presentations at the User’s Group Meeting are now posted (along with the entries for the image contest). Also, thanks for posting PDFs instead of PowerPoint files so that we can all see them!

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Tuesday, November 11th, 2008

Another update to Google Maps lookup for ENVI

A while ago, I wrote a simple ENVI user function to show the location of the current image using Google Maps. Evidently, Google recently changed the Google Maps slightly which was causing the map controls to not appear. This update requires no change to the ENVI user function MG_GOOGLE_LOOKUP, only to the server-side code. So, […]

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