ITT Rule IDL Version 7.0 Manual de usuario descargar pdf (Pagina 62)

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62 Chapter 3: Data Management

Parameters iTool Developer’s Guide

method of the IDLitParameter class (of which iTool visualization classes are a

subclass):

self->RegisterParameter,

ParmameterName

, $

TYPES = ['

DataType1

', ..., '

DataTypeN

where ParameterName is a string that defines the name of the parameter and the

TYPES keyword is set equal to a string or array of strings specifying the iTool system

data types the parameter can represent. (See “iTool Data Types” on page 54 for

information on iTools data types.)

A typical parameter registration call looks like the following:

self->RegisterParameter, 'Y', /INPUT, TYPES='IDLVECTOR', /OPTARGET

Here, the string argument Y is the name of the parameter being registered. The

INPUT keyword specifies that

Y is an input parameter (specified by the method’s

caller), the TYPES keyword specifies that

Y is a vector, and the OPTARGET

keyword specifies that operations can be performed on the

Y vector.

Additional keywords can be set in the call to RegisterParameter. See the

documentation for “IDLitParameter::RegisterParameter” (IDL Reference Guide) for

additional details.

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ITT Rule IDL Version 7.0 Manual de usuario Pagina 62

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