HDF_VG_ATTRINFO

The HDF_VG_ATTRINFO procedure retrieves attribute information from an HDF VGroup.

Examples

Syntax

HDF_VG_ATTRINFO, VGroup, Index, [, COUNT=variable] [, HDF_TYPE=variable] [, NAME=variable] [, SIZE=variable] [, TYPE=variable]

Arguments

VGroup

The VGroup handle returned by a previous call to HDF_VG_ATTACH.

Index

The index of the attribute to retrieve. Index should be an integer in the range 0 to the number of attibutes minus 1. You can use HDF_VG_GETINFO to retrieve the number of attributes in the VGroup.

Keywords

COUNT

Set this keyword to a named variable in which the number of data values for the attribute is returned.

HDF_TYPE

Set this keyword to a named variable in which the HDF data type of the attribute is returned as a string.

NAME

Set this keyword to a named variable in which the name of the attribute is returned.

SIZE

Set this keyword to a named variable in which the size of each data value (in bytes) is returned.

TYPE

Set this keyword to a named variable in which the IDL type of the attribute is returned as a string.

Version History

8.5.1

Introduced