Overview of This Tutorial

ENVI Tutorial: Introduction to User Functions Table of Contents OVERVIEW OF THIS TUTORIAL.....................................................................................................................................2 Background ......................................................................................................................................................2 BAND MATH............................3 Open TM Data ..................................................................................................................................................3 Explore a Band Math User Function.....................................................................................................................3 Compile the Band Math Function .................................................................................................4 Run the Band Math Function ..............................................................................................................................4 EVENT HANDLERS ....................................................................................................................................................5 Examine Event Handler Code........................5 Add the Event Handler to the ENVI Menu System.................................................................................................7 Compile the Event Handler............................... ...