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jongui |
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# Import the necessary modules. |
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from esys.pyvisi import Scene, DataCollector, Map, Camera, Velocity, Legend |
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from esys.pyvisi import Movie, LocalPosition |
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from esys.pyvisi.constant import * |
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import os |
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PYVISI_EXAMPLE_MESHES_PATH = "data_meshes" |
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PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images" |
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X_SIZE = 800 |
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Y_SIZE = 800 |
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SCALAR_FIELD_POINT_DATA = "temp" |
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FILE_2D = "tempvel-" |
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IMAGE_NAME = "movie" |
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JPG_RENDERER = Renderer.ONLINE_JPG |
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# Create a Scene. |
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s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE, |
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y_size = Y_SIZE) |
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# Create a DataCollector reading from a XML file. |
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dc1 = DataCollector(source = Source.XML) |
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dc1.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA) |
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# Create a Map. |
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m1 = Map(scene = s, data_collector = dc1, |
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viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, cell_to_point = False, |
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outline = True) |
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# Create a Velocity. |
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vopc1 = Velocity(scene = s, data_collector = dc1, |
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viewport = Viewport.SOUTH_WEST, color_mode = ColorMode.VECTOR, |
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arrow = Arrow.TWO_D, lut = Lut.COLOR, cell_to_point = False, |
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outline = True) |
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vopc1.setScaleFactor(scale_factor = 0.07) |
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vopc1.setRatio(ratio = 8) |
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vopc1.setColor(color = Color.BLACK) |
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# Create a scalar Legend. |
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sb = Legend(scene = s, data_collector= dc1, viewport = Viewport.SOUTH_WEST, |
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lut = Lut.COLOR, legend = LegendType.SCALAR) |
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sb.setOrientationToHorizontal() |
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sb.setPosition(LocalPosition(85,5)) |
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sb.setScalarRange(0, 1) |
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sb.setLabelColor(color = Color.BLACK) |
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sb.setTitleColor(Color.BLACK) |
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sb.setTitle("Temperature") |
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# Create a Camera. |
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cam1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST) |
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# Create a movie. |
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mov = Movie() |
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# Read in one file one after another and render the object. |
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for i in range(938, 949): |
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dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, \ |
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FILE_2D + "%06d.vtu") % i) |
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s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, \ |
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IMAGE_NAME + "%06d.jpg") % i) |
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# Generate the movie from the rendered images. |
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mov.makeMovie(input_directory = PYVISI_EXAMPLE_IMAGES_PATH, |
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first_image = IMAGE_NAME + "000938.jpg", |
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last_image = IMAGE_NAME + "000949.jpg", |
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movie = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, "movie.mpg")) |
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