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Harris Geospatial / Docs Center / IDL Reference / I/O - CDF / CDF_ATTCREATE

CDF_ATTCREATE

CDF_ATTCREATE

The CDF_ATTCREATE function creates a new attribute in the specified Common Data Format file. If successful, the attribute ID is returned.

Examples


id = CDF_OPEN('test') ; Create a CDF file.
xx = CDF_ATTCREATE(id, 'Attribute-1', /GLOBAL_SCOPE)
CDF_ATTRENAME, id, 'Attribute-1', 'My Favorite Attribute'
PRINT, CDF_ATTNUM(id, 'My Favorite Attribute')
CDF_CLOSE, id ; Close the CDF file.

Syntax


Result = CDF_ATTCREATE( Id, Attribute_Name [, /GLOBAL_SCOPE] [, /VARIABLE_SCOPE] )

Return Value


Returns the attribute ID.

Arguments


Id

The CDF ID of the file for which a new attribute is created, returned from a previous call to CDF_OPEN or CDF_CREATE.

Attribute_Name

A string containing the name of the attribute to be created.

Keywords


GLOBAL_SCOPE

Set this keyword to make the scope of the attribute global. This is the default.

VARIABLE_SCOPE

Set this keyword to indicate that the attribute’s scope is per variable.

Version History


Pre 4.0

Introduced



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