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



Radially averaged Fourier Spectrum -- 2d

6/6/1998
It is often necessary, when dealing with multidimensional data to compute the power spectrum as a function of |K|, the magnitude of the wavenumber vector. This is accomplished by computing the...Read More >

Using ASSOC with structures

5/21/1998
How do I use ASSOC with structures? A structure may be used in an ASSOC statement to read data from a file. A direct reference to a field of the sub-scripted variable used in the ASSOC statement...Read More >

How does IDL release Virtual Memory?

5/21/1998
IDL does free its dynamic memory when it is done with it, and the IDL code has consistency checks that guard against memory leaks. You can use the IDL command:     HELP,...Read More >
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ENVI 5.4 / IDL 8.6 Quick Start Install and Licensing Guide

12/6/2016

Below is a quick start guide to follow to download and activate your ENVI 5.4 and/or IDL 8.6 software once... more »

New Licensing FAQ

11/3/2016

This Help article groups the FAQ related to our new Download & Licensing system starting with... more »

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Providing the foundation for North Carolina’s emergency management planning

1/10/2018

Harris – January 10, 2018 – Read about how Geiger-mode LiDAR is being used in North Carolina... more »

Maintenance lapsed? Don't miss the latest features & benefits - re-up now!

1/9/2018

Has your ENVI/IDL software maintenance lapsed? Well, there has never been a better time to start it back... more »

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