diff icqsol_coarsen_shape.py @ 0:6ff7cf6ec553 draft default tip

Uploaded
author iuc
date Tue, 23 Aug 2016 14:56:49 -0400
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/icqsol_coarsen_shape.py	Tue Aug 23 14:56:49 2016 -0400
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+import argparse
+import shutil
+
+import icqsol_utils
+
+# Parse Command Line.
+parser = argparse.ArgumentParser()
+parser.add_argument('--input', dest='input', help='Shape dataset selected from history')
+parser.add_argument('--input_file_format_and_type', dest='input_file_format_and_type', help='Input file format and type')
+parser.add_argument('--input_dataset_type', dest='input_dataset_type', help='Input dataset_type')
+parser.add_argument('--min_cell_area', dest='min_cell_area', type=float, help='Minimum cell area')
+parser.add_argument('--output', dest='output', help='Output dataset')
+parser.add_argument('--output_vtk_type', dest='output_vtk_type', help='Output VTK type')
+
+args = parser.parse_args()
+
+input_format, input_file_type = icqsol_utils.get_format_and_type(args.input_file_format_and_type)
+tmp_dir = icqsol_utils.get_temp_dir()
+
+# Instantiate a ShapeManager for loading the input.
+shape_mgr = icqsol_utils.get_shape_manager(input_format, args.input_dataset_type)
+
+# Get the vtk polydata from the input dataset.
+vtk_poly_data = shape_mgr.loadAsVtkPolyData(args.input)
+
+# Coarsen the shape if requested.
+vtk_poly_data = shape_mgr.coarsenVtkPolyData(vtk_poly_data, min_cell_area=args.min_cell_area)
+
+# Define the output file format and type (the output_format can only be 'vtk').
+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)
+
+# Make sure the ShapeManager's writer is vtk.
+shape_mgr.setWriter(file_format=icqsol_utils.VTK, vtk_dataset_type=icqsol_utils.POLYDATA)
+
+# Save the output.
+shape_mgr.saveVtkPolyData(vtk_poly_data=vtk_poly_data, file_name=tmp_output_path, file_type=output_file_type)
+shutil.move(tmp_output_path, args.output)