Boundary Extraction
The boundary extraction operation
allows
the user to extract geometries with areas of images that contain valid data..
It is
accessible through:
Raster
Processing > Boundary Extraction...
(list
of all
raster layers will be available)
This
wizard consists of the
following steps:
Wizard Page 1 - Selection
of the layer to execute the operation (Layer Search)
- On the List
of Layers select the raster
layer to apply the operation.
- Optionally use Filter
By Name
field
giving part of the layer name to help find the layer in the list.
- Press Next
to go to next step or Cancel to
close the
dialog.
Wizard Page 2 - Boundary Extraction Parameters
- Select which band will be utilized.
- Select a no data value..
- Set the output
parameters.
- Repository:
Defines
where the output data will be saved.
- Local File.
- Layer Name:
Defines the
name to create the output layer.