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######################################################## |
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# |
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# Copyright (c) 2003-2008 by University of Queensland |
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# Earth Systems Science Computational Center (ESSCC) |
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# http://www.uq.edu.au/esscc |
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# |
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# Primary Business: Queensland, Australia |
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# Licensed under the Open Software License version 3.0 |
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# http://www.opensource.org/licenses/osl-3.0.php |
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# |
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######################################################## |
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__copyright__="""Copyright (c) 2003-2008 by University of Queensland |
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Earth Systems Science Computational Center (ESSCC) |
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http://www.uq.edu.au/esscc |
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Primary Business: Queensland, Australia""" |
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__license__="""Licensed under the Open Software License version 3.0 |
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http://www.opensource.org/licenses/osl-3.0.php""" |
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__url__="http://www.uq.edu.au/esscc/escript-finley" |
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|
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""" |
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Author: Lutz Gross, l.gross@uq.edu.au |
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Author: John Ngui, john.ngui@uq.edu.au |
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""" |
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# Import the necesary modules. |
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from esys.escript import * |
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from esys.escript.linearPDEs import Poisson |
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from esys.finley import Rectangle |
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from esys.pyvisi import Scene, DataCollector, Map, Camera |
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from esys.pyvisi.constant import * |
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import os |
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PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images" |
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X_SIZE = 400 |
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Y_SIZE = 300 |
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JPG_RENDERER = Renderer.ONLINE_JPG |
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# generate domain: |
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mydomain = Rectangle(l0=1.,l1=1.,n0=40, n1=20) |
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# define characteristic function of Gamma |
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x = mydomain.getX() |
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gammaD = whereZero(x[0])+whereZero(x[1]) |
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# define PDE and get its solution u |
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mypde = Poisson(domain=mydomain) |
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mypde.setValue(f=1,q=gammaD) |
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u = mypde.getSolution() |
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# Create a Scene. |
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s = Scene(renderer = JPG_RENDERER, x_size = X_SIZE, y_size = Y_SIZE) |
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# Create a DataCollector reading directly from an escript object. |
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dc = DataCollector(source = Source.ESCRIPT) |
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dc.setData(sol = u) |
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# Create a Map. |
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Map(scene = s, data_collector = dc, viewport = Viewport.SOUTH_WEST, |
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lut = Lut.COLOR, cell_to_point = False, outline = True) |
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# Create a Camera. |
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c = Camera(scene = s, viewport = Viewport.SOUTH_WEST) |
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# Render the object. |
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s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, "poisson.jpg")) |
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