--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagej2_watershed_binary_jython_script.py	Tue Sep 17 17:08:08 2019 -0400
@@ -0,0 +1,36 @@
+import jython_utils
+import sys
+from ij import IJ
+
+# Fiji Jython interpreter implements Python 2.5 which does not
+# provide support for argparse.
+error_log = sys.argv[ -5 ]
+input = sys.argv[ -4 ]
+black_background = jython_utils.asbool( sys.argv[ -3 ] )
+tmp_output_path = sys.argv[ -2 ]
+output_datatype = sys.argv[ -1 ]
+
+# Open the input image file.
+input_image_plus = IJ.openImage( input )
+
+# Create a copy of the image.
+input_image_plus_copy = input_image_plus.duplicate()
+image_processor_copy = input_image_plus_copy.getProcessor()
+
+try:
+    # Set binary options.
+    options = jython_utils.get_binary_options( black_background=black_background )
+    IJ.run( input_image_plus_copy, "Options...", options )
+
+    # Convert image to binary if necessary.
+    if not image_processor_copy.isBinary():
+        # Convert the image to binary grayscale.
+        IJ.run( input_image_plus_copy, "Make Binary", "" )
+
+    # Run the command.
+    IJ.run( input_image_plus_copy, "Watershed", "" )
+
+    # Save the ImagePlus object as a new image.
+    IJ.saveAs( input_image_plus_copy, output_datatype, tmp_output_path )
+except Exception, e:
+    jython_utils.handle_error( error_log, str( e ) )