--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/icqsol_compose_shapes.py	Sat Nov 14 14:06:46 2015 -0500
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+import argparse
+import shutil
+
+import icqsol_utils
+from icqsol.shapes.icqShapeManager import ShapeManager
+
+# Parse Command Line.
+parser = argparse.ArgumentParser()
+parser.add_argument( '--expression', dest='expression', help='Composition expression' )
+parser.add_argument( '--shape_dataset', dest='shape_datasets', action='append', nargs=4, help='Shape datasets selected from history' )
+parser.add_argument( '--output', dest='output', help='Output dataset' )
+parser.add_argument( '--output_vtk_type', dest='output_vtk_type', help='Output file format and type' )
+
+args = parser.parse_args()
+
+tmp_dir = icqsol_utils.get_temp_dir()
+shape_tuples = []
+shape_mgr = ShapeManager()
+
+# Load the shapes.
+for ( expression_var, dataset_path, galaxy_ext, vtk_dataset_type ) in args.shape_datasets:
+    # Define the file format and type.
+    format, file_type = icqsol_utils.get_format_and_type( galaxy_ext )
+    if format == 'vtk':
+        shape_mgr.setReader( file_format=format, vtk_dataset_type=vtk_dataset_type )
+    else:
+        shape_mgr.setReader( file_format=format )
+    icqsol_path = icqsol_utils.get_input_file_path( tmp_dir, dataset_path, format )
+    shape_tuple = ( expression_var, shape_mgr.loadAsShape( icqsol_path ) )
+    shape_tuples.append( shape_tuple )
+
+# Define the output file format and type.
+output_format, output_file_type = icqsol_utils.get_format_and_type( args.output_vtk_type )
+tmp_output_path = icqsol_utils.get_temporary_file_path( tmp_dir, output_format )
+
+shape_mgr.setWriter( file_format=output_format, vtk_dataset_type=icqsol_utils.POLYDATA )
+
+# Compose the shapes.
+composite_shape = shape_mgr.composeShapes( shape_tuples, args.expression )
+
+# Save the output.
+shape_mgr.saveShape( shape=composite_shape, file_name=tmp_output_path, file_type=output_file_type )
+shutil.move( tmp_output_path, args.output )