Help Articles are product support tips and information straight from the Exelis VIS Technical Support team developed to help you use our products to their fullest potential.

IDL 8.5.1 Release Notes


IDL 8.5.1 Release Notes contains supported platform information, new routines and features, backward compatibility issues, known problems, and problems fixed in this version. Supported Platforms Platform Hardware Operating System Supported Versions ... more »

Examples illustrating recursive / nonrecursive search for files from a given set of directories


QUESTION: How do I programmatically find all the file with a certain file name extension from a given set of directories? ANSWER: The FILE_SEARCH routine provides a easy way to do this, where a single call can search a single directory or a set of directories provided as a string array.  FILE SEARCH can search in a given directory or ... more »

Compatibility of IDL 8.5 and ENVI 5.3 with Mac 10.11 (El Capitan)


Installation Although Mac OS X 10.11 (El Capitan) is not an officially supported platform for IDL 8.5/8.5.1 and ENVI 5.3/5.3 SP1, IDL and ENVI users have reported successfully installing and using the products on this platform. Here are some tips for successfully installing on ENVI and/or IDL on El Capitan: "IDL Workbench on Mac OS X ... more »

IDL 8.5 Release Notes


Supported Platforms Platform Hardware Operating System Supported Versions Windows Windows Intel/AMD 64-bit 7, 8, 10 Macintosh Intel 64-bit OS X ... more »

Finding multiple local max/min values for 2D plots with IDL


As is, IDL does not have a built in function to find multiple local maximums or minimums for 2D plots. Luckily, there is a simple algorithm that can be applied to a data set to determine if a point is a maximum or minimum. The algorithm works by checking the point to the left and to the right for the i-th point and seeing if the i-th point ... more »

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Exelis VIS Technical Support Policy Updates


Maintenance Program Changes and Reminders: All customers must be current on maintenance to receive ... more »

ENVI Pocket Guide Vol. 1 | Basics

An ENVI quick reference booklet that provides users succinct steps on how to accomplish common tasks in ENVI.


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