Archive for September, 2006

Sunday, September 24th, 2006

Google Earth user function for ENVI

There have been suggestions recently that Google Earth is a “powerful tool” for science. Some disagree. At least one amateur used Google Earth to find an asteroid impact crater. I just wanted to give context to imagery viewed in ENVI (similar to my Google Maps user function). MG_WRITE_KML produces a KML file and an image […]

4 Comments » - Posted in ENVI,Visualization by

Wednesday, September 6th, 2006

Chernoff face symbols

Chernoff faces are a way to present a small number of highly multivariate data points to check for outliers. My code allows visualization of eight parameters: head eccentricity, eye size, eye eccentricity, eye spacing, pupil size, eyebrow slant, nose length, mouth size. Along with x and y positions, you can graph ten variables in one […]

No Comments » - Posted in IDL,Visualization by