29838 Imaging Notes – Fall 2009 – The Whole World in Your Hands Imagery is a wise investment for any organization looking to use geospatial data. The data can be used for everything from simple visuals, such as ground truthing and change detection, to more sophisticated analyses, including feature extraction and land-use classification. As imagery has become more accessible and more affordable in recent years, there is also a growing convergence of imagery and geographic information systems (GIS) applications. How to change the classification values (pixel values) in an ENVI Classic classification image ENVI EX and ENVI Zoom are unable to open data files on some international operating systems