/[escript]/trunk/pyvisi/test/python/run_image_with_lazy_evaluation.py
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Contents of /trunk/pyvisi/test/python/run_image_with_lazy_evaluation.py

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Revision 1381 - (show annotations)
Wed Jan 9 07:59:15 2008 UTC (11 years, 10 months ago) by gross
File MIME type: text/x-python
File size: 2258 byte(s)
import sys missing
1 from esys.pyvisi import DataCollector, Scene, Map, Image, Image, ImageReader
2 from esys.pyvisi import GlobalPosition
3 from esys.pyvisi.constant import *
4 import unittest, os, sys
5 from stat import ST_SIZE
6
7 try:
8 PYVISI_WORKDIR=os.environ['PYVISI_WORKDIR']
9 except KeyError:
10 PYVISI_WORKDIR='.'
11 try:
12 PYVISI_TEST_DATA_ROOT=os.environ['PYVISI_TEST_DATA_ROOT']
13 except KeyError:
14 PYVISI_TEST_DATA_ROOT='.'
15
16 PYVISI_TEST_MESHES_PATH = os.path.join(PYVISI_TEST_DATA_ROOT, "data_meshes")
17 PYVISI_TEST_IMAGE_IMAGES_PATH = os.path.join(PYVISI_WORKDIR, \
18 "data_sample_images", "image")
19
20 MIN_IMAGE_SIZE = 100
21 FILE_3D = "interior_3D.xml"
22 IMAGE = "flinders.jpg"
23 X_SIZE = 400
24 Y_SIZE = 400
25 JPG_RENDERER = Renderer.OFFLINE_JPG
26
27 class TestImageWithLazyEvaluation:
28 def render(self, file):
29 self.scene.render(image_name = \
30 os.path.join(PYVISI_TEST_IMAGE_IMAGES_PATH, file))
31
32 self.failUnless(os.stat(os.path.join(PYVISI_TEST_IMAGE_IMAGES_PATH, \
33 file))[ST_SIZE] > MIN_IMAGE_SIZE)
34
35 class TestImage(unittest.TestCase, TestImageWithLazyEvaluation):
36 def tearDown(self):
37 del self.scene
38
39 def testImage(self):
40 s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
41 y_size = Y_SIZE)
42 self.scene = s
43
44 dc1 = DataCollector(source = Source.XML)
45
46 # Create a map instance for the first viewport.
47 m1 = Map(scene = s, data_collector = dc1,
48 viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, outline = True)
49
50 # Create one image reader instance (used in place of data collector).
51 ir = ImageReader(ImageFormat.JPG)
52
53
54 # Create one image instance.
55 i = Image(scene = s, image_reader = ir)
56 i.setOpacity(opacity = 0.9)
57 i.translate(0,0,-1.)
58 i.setPoint1(GlobalPosition(2,0,0))
59 i.setPoint2(GlobalPosition(0,2,0))
60
61 ir.setImageName(image_name = os.path.join(PYVISI_TEST_MESHES_PATH, \
62 IMAGE))
63 dc1.setFileName(file_name = os.path.join(PYVISI_TEST_MESHES_PATH, \
64 FILE_3D))
65
66 self.render("TestImageWithLazyEvaluation.jpg")
67
68
69 ###############################################################################
70
71
72 if __name__ == '__main__':
73 suite = unittest.TestSuite()
74 suite.addTest(unittest.TestLoader().loadTestsFromTestCase(TestImage))
75 s=unittest.TextTestRunner(verbosity=2).run(suite)
76 if not s.wasSuccessful(): sys.exit(1)
77

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