examples/pyvisi/image.py


########################################################
#
# Copyright (c) 2003-2008 by University of Queensland
# Earth Systems Science Computational Center (ESSCC)
# http://www.uq.edu.au/esscc
#
# Primary Business: Queensland, Australia
# Licensed under the Open Software License version 3.0
# http://www.opensource.org/licenses/osl-3.0.php
#
########################################################

__copyright__="""Copyright (c) 2003-2008 by University of Queensland
Earth Systems Science Computational Center (ESSCC)
http://www.uq.edu.au/esscc
Primary Business: Queensland, Australia"""
__license__="""Licensed under the Open Software License version 3.0
http://www.opensource.org/licenses/osl-3.0.php"""
__url__="http://www.uq.edu.au/esscc/escript-finley"

"""
Author: John Ngui, john.ngui@uq.edu.au
"""

# Import the necessary modules.
from esys.pyvisi import Scene, DataCollector, Map, ImageReader, Image, Camera
from esys.pyvisi import GlobalPosition
from esys.pyvisi.constant import *
import os

PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
X_SIZE = 400
Y_SIZE = 400

SCALAR_FIELD_POINT_DATA = "temperature"
FILE_3D = "interior_3D.xml"
LOAD_IMAGE_NAME = "flinders.jpg"
SAVE_IMAGE_NAME = "image.jpg"
JPG_RENDERER = Renderer.ONLINE_JPG

# Create a Scene.
s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE, 
        y_size = Y_SIZE)

# Create a DataCollector reading from a XML file.
dc1 = DataCollector(source = Source.XML)
dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, FILE_3D))

# Create a Map.
m1 = Map(scene = s, data_collector = dc1, viewport = Viewport.SOUTH_WEST,
        lut = Lut.COLOR, cell_to_point = False, outline = True)
m1.setOpacity(0.3)

# Create an ImageReader (in place of DataCollector).
ir = ImageReader(ImageFormat.JPG)
ir.setImageName(image_name =  os.path.join(PYVISI_EXAMPLE_MESHES_PATH, \
        LOAD_IMAGE_NAME))

# Create an Image.
i = Image(scene = s, image_reader = ir, viewport = Viewport.SOUTH_WEST)
i.setOpacity(opacity = 0.9)
i.translate(0,0,-1)
i.setPoint1(GlobalPosition(2,0,0))
i.setPoint2(GlobalPosition(0,2,0))

# Create a Camera. 
c1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)

# Render the image.
s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, SAVE_IMAGE_NAME))

1	ksteube	1811
2			########################################################
3			#
4			# Copyright (c) 2003-2008 by University of Queensland
5			# Earth Systems Science Computational Center (ESSCC)
6			# http://www.uq.edu.au/esscc
7			#
8			# Primary Business: Queensland, Australia
9			# Licensed under the Open Software License version 3.0
10			# http://www.opensource.org/licenses/osl-3.0.php
11			#
12			########################################################
13
14			__copyright__="""Copyright (c) 2003-2008 by University of Queensland
15			Earth Systems Science Computational Center (ESSCC)
16			http://www.uq.edu.au/esscc
17			Primary Business: Queensland, Australia"""
18			__license__="""Licensed under the Open Software License version 3.0
19			http://www.opensource.org/licenses/osl-3.0.php"""
20			__url__="http://www.uq.edu.au/esscc/escript-finley"
21
22	jongui	1203	"""
23			Author: John Ngui, john.ngui@uq.edu.au
24			"""
25
26	ksteube	1147	# Import the necessary modules.
27			from esys.pyvisi import Scene, DataCollector, Map, ImageReader, Image, Camera
28			from esys.pyvisi import GlobalPosition
29			from esys.pyvisi.constant import *
30	jongui	1148	import os
31	ksteube	1147
32	jongui	1148	PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
33			PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
34	ksteube	1147	X_SIZE = 400
35			Y_SIZE = 400
36
37			SCALAR_FIELD_POINT_DATA = "temperature"
38			FILE_3D = "interior_3D.xml"
39			LOAD_IMAGE_NAME = "flinders.jpg"
40			SAVE_IMAGE_NAME = "image.jpg"
41			JPG_RENDERER = Renderer.ONLINE_JPG
42
43			# Create a Scene.
44			s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
45			y_size = Y_SIZE)
46
47			# Create a DataCollector reading from a XML file.
48			dc1 = DataCollector(source = Source.XML)
49	jongui	1148	dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, FILE_3D))
50	ksteube	1147
51			# Create a Map.
52			m1 = Map(scene = s, data_collector = dc1, viewport = Viewport.SOUTH_WEST,
53			lut = Lut.COLOR, cell_to_point = False, outline = True)
54			m1.setOpacity(0.3)
55
56			# Create an ImageReader (in place of DataCollector).
57			ir = ImageReader(ImageFormat.JPG)
58	jongui	1148	ir.setImageName(image_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, \
59			LOAD_IMAGE_NAME))
60	ksteube	1147
61			# Create an Image.
62			i = Image(scene = s, image_reader = ir, viewport = Viewport.SOUTH_WEST)
63			i.setOpacity(opacity = 0.9)
64			i.translate(0,0,-1)
65			i.setPoint1(GlobalPosition(2,0,0))
66			i.setPoint2(GlobalPosition(0,2,0))
67
68			# Create a Camera.
69	jongui	1148	c1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
70	ksteube	1147
71			# Render the image.
72	jongui	1148	s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, SAVE_IMAGE_NAME))
73	ksteube	1147