ENVIROILayer

This is a reference to an ROI layer object. Use the ENVIRasterLayer::AddROI method to create an ENVIROILayer object.

Example

; Launch the application

e = ENVI()

; open and display qb_boulder_msi

file = Filepath('qb_boulder_msi', ROOT_DIR=e.Root_Dir, $

SUBDIRECTORY=['data'])

raster = e.OpenRaster(file)

view = e.GetView()

layer = view.CreateLayer(raster)

; open and display the ROIs from qb_boulder_roi

file = Filepath('qb_boulder_roi.xml', ROOT_DIR=e.Root_Dir, $

SUBDIRECTORY=['data'])

rois = e.OpenRoi(file)

roiLayers = OBJARR(N_ELEMENTS(rois))

FOR i=0, N_ELEMENTS(rois)-1 DO roiLayers[i] = layer.AddROI(rois[i])

; Change the transparency

roiLayers[2].Transparency = 50

Methods

Properties

Properties marked as (Get) can be retrieved, but not set.

DATA (Get)

The ENVIROI displayed on this layer.

HIDE (Get, Set)

Set this property to 1 to hide the layer, and to 0 to display it. The default value is 0.

NAME (Set)

Specify a string value with the name of the layer.

TRANSPARENCY (Get, Set)

Specify an integer value between 0 (opaque) and 100 (invisible) that defines the transparency of the layer. The default value is 0.

Version History

ENVI 5.1

Introduced

API Version

4.2