ENVI (the Environment for Visualizing Images) is an image
processing application for technical professionals analyzing remote
sensing data. The software is widely used for natural resource,
environmental and agricultural remote sensing. Linux pricing starts
at $3,350.
ENVI 3.1’s new hyperspectral features include spectral
resampling of data files to user-defined wavelength space, and
improvements to the n-D Visualizer, which allows data to be viewed
in multiple dimensions.