EOS_SW_QUERY
The EOS_SW_QUERY function returns information about a specified swath.
Syntax
Result=EOS_SW_QUERY(Filename, SwathName, [Info])
Return Value
This function returns an integer value of 1 if the file is an HDF file with EOS SWATH extensions, and 0 otherwise.
Arguments
Filename
A string containing the name of the file to be queried.
SwathName
A string containing the name of the swath to be queried.
Info
Returns an anonymous structure containing information about the specified swath. The returned structure contains the following fields:
Table 5-4: Fields of the Info Structure
Table 5-4: Fields of the Info Structure
|
Field
|
IDL data type
|
Description
|
|
ATTRIBUTES
|
String array
|
Array of attribute names
|
|
DIMENSION_NAMES
|
String array
|
Names of dimensions
|
|
DIMENSION_SIZES
|
Long array
|
Sizes of dimensions
|
|
FIELD_NAMES
|
String array
|
Names of fields
|
|
FIELD_RANKS
|
Long array
|
Ranks (dimensions) of fields
|
|
FIELD_TYPES
|
Long array
|
IDL types of fields
|
|
GEO_FIELD_NAMES
|
String array
|
Names of geolocation fields
|
|
GEO_FIELD_RANKS
|
Long array
|
Ranks (dimensions) of geolocation fields
|
|
GEO_FIELD_TYPES
|
Long array
|
IDL types of geolocation fields
|
|
IDX_MAP_NAMES
|
String array
|
Names of index maps
|
|
IDX_MAP_SIZES
|
Long array
|
Sizes of index map arrays
|
|
NUM_ATTRIBUTES
|
Long
|
Number of attributes
|
|
NUM_DIMS
|
Long
|
Number of dimensions
|
|
NUM_FIELDS
|
Long
|
Number of fields
|
|
NUM_GEO_FIELDS
|
Long
|
Number of geolocation fields
|
|
NUM_IDX_MAPS
|
Long
|
Number of indexed dimension mapping entries
|
|
NUM_MAPS
|
Long
|
Number of mapping entries
|
|
MAP_INCREMENTS
|
Long array
|
Increment of each geolocation relation
|
|
MAP_NAMES
|
String array
|
Names of maps
|
|
MAP_OFFSETS
|
Long array
|
Offset of each geolocation relation
|
Keywords
None
Version History
IDL Online Help (March 06, 2007)
