QueryTaskCatalog Task
This task returns a list of the tasks available in ENVI.
Example
; Start the application
e = ENVI(/HEADLESS)
; Get the task from the catalog of ENVITasks
Task = ENVITask('QueryTaskCatalog')
; Return only the ENVI tasks that
; compute convolution filters
Task.FILTER_TAGS = ['ENVI', 'Convolution Filters']
; Run the task
Task.Execute
; Print the list of tasks available in ENVI.
Print, Task.TASKS, FORMAT='(A)'
Syntax
Result = ENVITask('QueryTaskCatalog')
Input properties (Set, Get): FILTER_TAGS
Output properties (Get only): TASKS, UNIQUE_TAGS
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:
FILTER_TAGS (optional)
Set this property to an array of tags used to filter the queried tasks. The QueryTaskCatalog task returns tasks that meet the criteria for all specified tags, not just some of them. The tags are not case-sensitive. If no results are found, TASKS and UNIQUE_TAGS return a value of !NULL.
TASKS
An array containing the names of all ENVITasks that meet the query criteria.
UNIQUE_TAGS
An array containing the union of all unique tags contained in the tasks that meet the query criteria.
Version History
|
ENVI 5.3 |
Introduced |
|
ENVI 5.5. 1 |
Added the FILTER_TAGS and UNIQUE_TAGS properties |
API Version
4.2