IDL and Internal Variables This section describes how variables are created and managed within IDL. While reading this section, you should refer to the following figure to see how each part fits into the overall structure of an IDL variable. The IDL_VARIABLE Structure Scalar Variables Array Variables Structure Variables Heap Variables Temporary Variables Creating an Array from Existing Data Getting Dynamic Memory Accessing Variable Data Copying Variables Storing Scalar Values Obtaining the Name of a Variable Looking Up Main Program Variables Looking Up Variables in Current Scope Freeing Dynamic Resources
This section describes how variables are created and managed within IDL. While reading this section, you should refer to the following figure to see how each part fits into the overall structure of an IDL variable.
The IDL_VARIABLE Structure
Scalar Variables
Array Variables
Structure Variables
Heap Variables
Temporary Variables
Creating an Array from Existing Data
Getting Dynamic Memory
Accessing Variable Data
Copying Variables
Storing Scalar Values
Obtaining the Name of a Variable
Looking Up Main Program Variables
Looking Up Variables in Current Scope
Freeing Dynamic Resources
