ITT Rule IDL Version 7.0 User Manual download pdf (Page 58)

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58 Chapter 3: Data Management

Predefined iTool Data Classes iTool Developer’s Guide

Predefined iTool Data Classes

The iTool system distributed with IDL includes a number of predefined data classes.

The predefined classes are subclasses of the IDLitData class; each performs

initialization steps that are commonly used when creating data objects that contain

data of specific composite data types. Some of the predefined data classes create data

sub-containers to hold associated data objects, and some register properties

associated with the data.

Note

The predefined iTool data subclasses are provided as a convenience. You can

always create a generic IDLitData object rather than using one of the predefined

classes.

You can create objects of these data classes in the same way you create a generic data

object: by calling the OBJ_NEW function and specifying the appropriate class name.

You can also create new specialized data classes based on one of the predefined

classes. Data classes are located in the

lib/itools/components subdirectory of

the IDL directory.

IDLitDataIDLArray2D

Creates an IDLitData object of whose TYPE property is set to IDLARRAY2D. Used

to store a two-dimensional array of any IDL data type.

Registered Properties

•None

Data Sub-containers

•None

IDLitDataIDLArray3D

Creates an IDLitData object of whose TYPE property is set to IDLARRAY3D. Used

to store a three-dimensional array of any IDL data type.

Registered Properties

•None

Data Sub-containers

•None

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