Using raster cleanup morphological operations

The raster cleanup commands also include several raster morphological operations: Erosion, Dilation, Opening, and Closing. These commands apply to the whole raster layer at once.

Steps:
  1. Click the Raster Cleanup menu on the ArcScan toolbar and click Start Cleanup.
  2. Click the morphological operation you want to perform.
  3. Enter a pixel value in the dialog box.

    The operation is applied to all foreground cells with the raster layer.

6/20/2012