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EOS_QUERY

Syntax | Return Value | Arguments | Version History

The EOS_QUERY function returns information about the makeup of an HDF-EOS file.

Syntax

Result = EOS_QUERY( Filename, [Info] )

Return Value

This function returns integer value of 1 if the file is an HDF file with EOS extensions, and 0 otherwise.

Arguments

Filename

A scalar string containing the name of the file to query.

Info

Returns an anonymous structure containing information about the contents of the file. The returned structure contains the following fields:

Table 5-3: Fields of the Info Structure

Table 5-3: Fields of the Info Structure
Field
IDL Data Type
Description
GRID_NAMES
String array
Names of grids
NUM_GRIDS
Long
Number of grids in file
NUM_POINTS
Long
Number of points in file
NUM_SWATHS
Long
Number of swaths in file
POINT_NAMES
String array
Names of points
SWATH_NAMES
String array
Names of swaths

Version History

5.3
Introduced

  IDL Online Help (March 06, 2007)