Routines (alphabetical) > Routines: H > HDF-EOS Routines > EOS_PT_QUERY

# EOS_PT_QUERY

The EOS_PT_QUERY function returns information about a specified point.

## Syntax

Result = EOS_PT_QUERY( Filename, PointName, [Info] )

## Return Value

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

## Arguments

### Filename

A string containing the name of the file to query.

### PointName

A string containing the name of the point to query.

### Info

Returns an anonymous structure containing information about the specified point. The returned structure contains the following fields:

Field | IDL Data Type | Description
ATTRIBUTES | String | Comma-delimited string containing the names off attributes
NUM_ATTRIBUTES | Long | Number of attributes
NUM_LEVELS | Long | Number of levels

## Keywords

None

## Version History

5.3 | Introduced