ExtractColumnFromArray Task
This task extracts a single column from an array.
Example
; Start the application
e = ENVI(/HEADLESS)
; Get the task from the catalog of ENVITasks
Task = ENVITask('ExtractColumnFromArray')
; Define inputs
Task.INPUT_ARRAY = [[1,2,3], [4,5,6]]
Task.INDEX = 0
; Run the task
Task.Execute
Print, Task.COLUMN
; IDL prints: 1, 4
Syntax
Result = ENVITask('ExtractColumnFromArray')
Input properties (Set, Get): INDEX, INPUT_ARRAY
Output properties (Get only): OUTPUT_COLUMN
Properties marked as "Set" are those that you can set to specific values. You can also retrieve their current values any time. Properties marked as "Get" are those whose values you can retrieve but not set.
Methods
This task inherits the following methods from ENVITask:
Properties
This task inherits the following properties from ENVITask:
This task also contains the following properties:
INDEX (required)
Specify a zero-based index number that corresponds to the column to extract.
INPUT_ARRAY (required)
Specify the input URI.
OUTPUT_COLUMN
This is the extracted column.
Version History
|
ENVI 5.6 |
Introduced |
API Version
4.2