Mercurial > repos > greg > icqsol_scale_shape

comparison icqsol_scale_shape.py @ 0:c8b87f2bb2e8 draft

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author greg
date Sat, 05 Dec 2015 10:36:31 -0500
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children 89216e1c25b8
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-1:000000000000 0:c8b87f2bb2e8
1 #!/usr/bin/env python
2 import argparse
3 import shutil
4 import operator
5
6 import icqsol_utils
7 from icqsol.shapes.icqShapeManager import ShapeManager
8
9 # Parse Command Line.
10 parser = argparse.ArgumentParser()
11 parser.add_argument('--input', dest='input', help='Shape dataset selected from history')
12 parser.add_argument('--input_file_format_and_type', dest='input_file_format_and_type', help='Input file format and type')
13 parser.add_argument('--input_dataset_type', dest='input_dataset_type', help='Input dataset_type')
14 parser.add_argument('--scale_x', dest='scale_x', type=float, default=1.0, help='X scaling factor')
15 parser.add_argument('--scale_y', dest='scale_y', type=float, default=1.0, help='Y scaling factor')
16 parser.add_argument('--scale_z', dest='scale_z', type=float, default=1.0, help='Z scaling factor')
17 parser.add_argument('--output', dest='output', help='Output file name')
18 parser.add_argument('--output_vtk_type', dest='output_vtk_type', default='ascii', help='Output VTK type')
19
20 args = parser.parse_args()
21
22 # Get the format of the input - either vtk or ply.
23 input_format, input_file_type = icqsol_utils.get_format_and_type(args.input_file_format_and_type)
24 tmp_dir = icqsol_utils.get_temp_dir()
25
26 # Instantiate a ShapeManager for loading the input.
27 if input_format == icqsol_utils.VTK:
28 shape_mgr = ShapeManager(file_format=input_format, vtk_dataset_type=args.input_dataset_type)
29 else:
30 shape_mgr = ShapeManager(file_format=input_format)
31
32 # Get the vtk polydata from the input dataset.
33 vtk_poly_data = shape_mgr.loadAsVtkPolyData(args.input)
34
35 # Scale (in place operation).
36 # FIXME: this should be handled in a Galaxy tool validator.
37 factors = (args.scale_x, args.scale_y, args.scale_z)
38 if reduce(operator.and_, [f > 0 for f in factors]):
39 # All factors must be > 0
40 shape_mgr.scaleVtkPolyData(vtk_poly_data, factors=factors)
41
42 # Save the output.
43 output_format, output_file_type = icqsol_utils.get_format_and_type(args.output_vtk_type)
44 tmp_dir = icqsol_utils.get_temp_dir()
45 tmp_output_path = icqsol_utils.get_temporary_file_path(tmp_dir, icqsol_utils.VTK)
46 shape_mgr.saveVtkPolyData(vtk_poly_data, file_name=tmp_output_path, file_type=output_file_type)
47 shutil.move(tmp_output_path, args.output)