ENVI > Programming > Routines > Data Processing (ENVITasks) >SARsGradientCalculator

SARsGradientCalculator

SARscape Calculate the gradient on a Shape or Raster.

Reference

Syntax

Result = ENVITask('SARsGradientCalculator')

Input properties (Set, Get): GENERATE_QL, GRADIENT_CLASS_THRESHOLD_1, GRADIENT_CLASS_THRESHOLD_2, GRADIENT_CLASS_THRESHOLD_3, GRADIENT_SEARCH_RADIUS, INPUT_SARSCAPEDATA, IN_TRIGGERING_EXECUTION_OPTION, MIN_POINTS_GRADIENT, OPENCL_DEVICEID, OPENCL_PLATFORMID, ROOT_URI_FOR_OUTPUT, SARSCAPE_PREFERENCE

Output properties (Get only): DESCRIPTION

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

This task inherits the following methods from ENVITask:

AddParameter

Execute

Parameter

ParameterNames

RemoveParameter

Properties

DESCRIPTION

This property describes the task.

GENERATE_QL (optional)

Generate Quick Look

GRADIENT_CLASS_THRESHOLD_1 (optional)

Low class threshold

GRADIENT_CLASS_THRESHOLD_2 (optional)

Medium class threshold

GRADIENT_CLASS_THRESHOLD_3 (optional)

High class threshold

GRADIENT_SEARCH_RADIUS (optional)

Radius (m)

INPUT_SARSCAPEDATA (required)

Input Shape Files

IN_TRIGGERING_EXECUTION_OPTION (optional)

Input triggering execution option

MIN_POINTS_GRADIENT (optional)

Min number of points in the window

NAME

This property contains the name of the task.

OPENCL_DEVICEID (optional)

OPENCL DEVICE ID

OPENCL_PLATFORMID (optional)

OPENCL PLATFORM ID

OUT_TRIGGERING_EXECUTION_OPTION

Output triggering execution option

ROOT_URI_FOR_OUTPUT (optional)

Common URI for outputs

SARSCAPE_PREFERENCE (optional)

SARscape Default System Parameters

The default value is Use actual preferences.

Options available are:

Version History

SARscape 6.1

Introduced

See Also

Tool description, ENVITask, ENVITaskParameter