ITTVIS Support | Frequently Asked Questions

Tech Support Frequently Asked Questions

Below are links to answers for the most common questions we receive. If you don’t find your answer here, we suggest you look through our tech tips.

Reporting problems to ITT Technical Support

Analysis:

ENVI:

What are the tile and cache size settings in the ENVI configuration file?

How to run ENVI in Batch Mode

How to add a user function to ENVI

File Formats:

MPEG support in IDL

GIF & LZW support in IDL

Encapsulated postscript (*.eps) files, previews, and Microsoft Word

Language:

Tips & tricks for efficient IDL programming

Introduction to objects

Licensing:

Installing the latest HASP driver

Configuring the FLEXlm license manager on Windows

Configuring the FLEXlm license manager on UNIX and Mac OS X

Explanation of how FLEXlm licenses work

What's the difference between a node-locked, float, etc. license?

Memory Management:

How does IDL manage memory?

How does IDL release Virtual Memory?

Overcoming Windows memory allocaiton limits

Printing:

Printing from ENVI and/or using IDL's DIALOG_PRINTERSETUP on UNIX

Quick one-step Direct Graphics printing

System:

Platform Support FAQ

Byte ordering schemes used by IDL platforms

Visual:

Loading a color table doesn't appear to work

Using UNICODE characters on Windows systems

OpenGL direct hardware rendering on Linux

Widgets:

Widget program for converting from geographic lat/lon to meters & vice-versa

When are non-blocking widgets useful?