Python NullEngine.start方法代码示例

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def get_null_engine(self):
        """Return a suitable null engine and make that the current
        engine.
        """
        # First check if the current engine is running and if it is in
        # the registered engines.
        ce = self.current_engine
        if ce is not None:
            if not ce.running or ce not in registry.engines.values():
                self.current_engine = None

        if self.current_engine is not None:
            engines = list((self.current_engine,))
        else:
            engines = list()
        engines.extend(registry.engines.values())
        engine = None
        for e in engines:
            if e.__class__.__name__ == 'NullEngine':
                engine = e
                break
        else:
            engine = NullEngine(name='Null Mlab Engine')
            engine.start()
        self.current_engine = engine
        return engine

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        # Create dataset with multiple scalars.
        arr1 = zeros(27, 'f')
        for n in range(27):
            arr1[n] = (1+float(n))/10.0
        arr2 = (arr1 + 1).astype('d')
        arr3 = arr1 + 2.0*(0.5 - random.random(27))
        arr3 = arr3.astype('f')

        p = tvtk.ImageData(dimensions=[3,3,3],spacing=[1,1,1],
                scalar_type='int')
        p.point_data.scalars = arr1
        p.point_data.scalars.name = 'first'
        j2 = p.point_data.add_array(arr2)
        p.point_data.get_array(j2).name='second'
        j3 = p.point_data.add_array(arr3)
        p.point_data.get_array(j3).name='third'
        p.update()
        self.img = p
        self.first = arr1
        self.second = arr2
        self.third = arr3

        # Setup the mayavi pipeline.
        e = NullEngine()
        e.start()
        e.new_scene()
        self.e = e

        src = VTKDataSource(data=p)
        e.add_source(src)
        self.src = src
        ipw = ImagePlaneWidget()
        e.add_module(ipw)
        self.ipw = ipw

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        """Initial setting up of test fixture, automatically called by TestCase before any other test method is invoked"""
        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        #e = Engine()
        e.start()
        e.new_scene()
        self.e=e

        r = VTKXMLFileReader()
        r.initialize(get_example_data('pyramid_ug.vtu'))
        e.add_source(r)
        r.point_scalars_name = 'temperature'
        o = Outline()
        e.add_module(o)
        c = Contour()
        e.add_filter(c)
        n = PolyDataNormals()
        e.add_filter(n)
        aa = SetActiveAttribute()
        e.add_filter(aa)
        aa.point_scalars_name = 'pressure'
        s = Surface()
        e.add_module(s)
        self.scene = e.current_scene
        return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):

        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        # e = Engine()
        e.start()
        s = e.new_scene()

        image_data = BuiltinImage()
        e.add_source(image_data)

        outline = Outline()
        e.add_module(outline)

        surface = Surface()
        e.add_module(surface)

        image_data.data_source.radius = array([80.0, 80.0, 80.0])
        image_data.data_source.center = array([150.0, 150.0, 0.0])
        image_data.data_source.whole_extent = array([10, 245, 10, 245, 0, 0])
        if is_old_pipeline():
            image_data.data_source.update_whole_extent()
        else:
            image_data.data_source.set_update_extent_to_whole_extent()

        self.e = e
        self.scene = e.current_scene

        return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
 def create_fn():
     e = NullEngine()
     e.start()
     e.new_scene()
     e.new_scene()
     e.new_scene()
     return e

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        """Initial setting up of test fixture, automatically called by
        TestCase before any other test method is invoked"""

        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        # e = Engine()
        e.start()
        s = e.new_scene()

        poly_data = BuiltinSurface()
        e.add_source(poly_data)

        outline = Outline()
        e.add_module(outline)

        surface = Surface()
        e.add_module(surface)

        poly_data.data_source.shaft_radius = 0.05
        poly_data.data_source.shaft_resolution = 7
        poly_data.data_source.tip_radius = 0.1

        self.e = e
        self.scene = e.current_scene

        return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        """Initial setting up of test fixture, automatically called by TestCase before any other test method is invoked"""
        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        # e = Engine()
        e.start()
        e.new_scene()
        self.e = e

        # Read a VTK (old style) data file.
        r = VTKXMLFileReader()
        r.initialize(get_example_data("pyramid_ug.vtu"))
        e.add_source(r)

        # Create the filters.
        # CellDerivatives
        cd = tvtk.CellDerivatives()
        ud = UserDefined(filter=cd)
        e.add_filter(ud)
        ctp = CellToPointData()
        ctp.filter.pass_cell_data = False
        e.add_filter(ctp)
        evn = ExtractVectorNorm()
        e.add_filter(evn)
        evc = ExtractVectorComponents(component="y-component")
        o = Optional(filter=evc)
        e.add_filter(o)
        e.add_module(ScalarCutPlane())
        self.scene = e.current_scene
        s = self.scene
        return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        """Initial setting up of test fixture, automatically called by TestCase before any other test method is invoked"""
        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        #e = Engine()
        e.start()
        e.new_scene()
        self.e=e

        # Read the multi-block plot3d file.
        r = PLOT3DReader()
        r.reader.set(has_byte_count=True, multi_grid=True,
                     byte_order='little_endian')
        r.initialize(get_example_data('tiny.xyz'),
                     get_example_data('tiny.q'),
                     configure=False)
        e.add_source(r)
        # Add the filter.
        f = SelectOutput()
        e.add_filter(f)

        # Create an outline for the data.
        o = Outline()
        e.add_module(o)
        o.render()
        self.o=o
        self.r=r
        self.e=e
        self.scene = e.current_scene
        return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
 def setUp(self):
     e = NullEngine()
     e.start()
     registry.register_engine(e)
     engine_manager.current_engine = e
     self.e = e
     self.s = e.new_scene()
     self.s.scene = DummyScene()

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        """Initial setting up of test fixture, automatically called by TestCase before any other test method is invoked"""
        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        #e = Engine()
        e.start()
        s=e.new_scene()
        self.e=e
        self.s=s

        ############################################################
        # Create a new scene and set up the visualization.

        d = ArraySource()
        sc, vec = self.make_data()
        d.origin = (-5, -5, -5)
        d.scalar_data = sc
        d.vector_data = vec

        e.add_source(d)

        # Create an outline for the data.
        o = Outline()
        e.add_module(o)

        # View the data.
        st = Streamline()
        e.add_module(st)
        widget = st.seed.widget
        widget.set(radius=1.0, center=(-4.0, -4.0, -4.0),
                   theta_resolution=4, phi_resolution=4)

        st = Streamline(streamline_type='ribbon')
        seed = st.seed
        seed.widget = seed.widget_list[1]
        e.add_module(st)
        seed.widget.set(point1=(-5.0, -4.5, -4.0), point2=(-5.0, -4.5, 4.0))
        st.ribbon_filter.width = 0.25

        st = Streamline(streamline_type='tube')
        seed = st.seed
        seed.widget = seed.widget_list[2]
        e.add_module(st)
        seed.widget.set(center=(-5.0, 1.5, -2.5))
        st.tube_filter.radius = 0.15

        st = Streamline(streamline_type='tube')
        seed = st.seed
        seed.widget = seed.widget_list[3]
        e.add_module(st)
        seed.widget.position=(-5.0, 3.75, 3.75)
        st.tube_filter.radius = 0.2
        self.st = st
        self.scene = e.current_scene
        return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        """Initial setting up of test fixture, automatically called by TestCase
           before any other test method is invoked"""

        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        #from mayavi.core.engine import Engine
        #e = Engine()
        e.start()
        e.new_scene()
        self.e = e

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
 def setUp(self):
     """Initial setting up of test fixture, automatically called by TestCase
     before any other test method is invoked"""
     e = NullEngine()
     #Uncomment to see visualization for debugging etc.
     #e = Engine()
     e.start()
     e.new_scene()
     self.e=e
     self.scene = e.current_scene
     return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        """Initial setting up of test fixture, automatically called by
        TestCase before any other test method is invoked"""
        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        #e = Engine()
        e.start()
        s=e.new_scene()
        self.e=e
        self.s=s

        ############################################################
        # Create a new scene and set up the visualization.

        #Make the grid
        grid = self.make_grid4scatter()
        e.add_source(grid)

        eg = ExtractGrid()
        e.add_filter(eg)

        nb_ticks = 6

        eg.x_ratio = eg.y_ratio = eg.z_ratio = 100/(nb_ticks-1)/2

        gpx = GridPlane()
        e.add_module(gpx)
        gpx.grid_plane.axis = 'x'

        gpy = GridPlane()
        e.add_module(gpy)
        gpy.grid_plane.axis = 'y'

        gpz = GridPlane()
        e.add_module(gpz)
        gpz.grid_plane.axis = 'z'

        #Add the scatter
        d = VTKDataSource()
        d.data = self.make_scatter()
        e.add_source(d)
        if is_old_pipeline():
            a = Axes()
            e.add_module(a)
            a.axes.number_of_labels = nb_ticks

        self.eg = eg
        self.gpx = gpx
        self.gpy = gpy
        self.gpz = gpz
        self.scene = e.current_scene
        return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):
        """Initial setting up of test fixture, automatically called by TestCase before any other test method is invoked"""
        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        #e = Engine()
        e.start()
        s=e.new_scene()
        self.e=e
        self.s=s

        ############################################################
        # Create a new scene and set up the visualization.

        d = ArraySource()
        sc, vec = self.make_data()
        d.origin = (-5, -5, -5)
        d.scalar_data = sc
        d.vector_data = vec

        e.add_source(d)

        # Create an outline for the data.
        o = Outline()
        e.add_module(o)
        # Glyphs for the scalars
        g = Glyph()
        e.add_module(g)
        g.glyph.glyph_source.glyph_position = 'center'
        g.glyph.glyph.vector_mode = 'use_normal'
        g.glyph.glyph.scale_factor = 0.5
        g.glyph.mask_points.on_ratio = 20
        g.actor.property.line_width = 1.0

        v = VectorCutPlane()
        glyph = v.glyph
        gs = glyph.glyph_source
        gs.glyph_position = 'tail'
        gs.glyph_source = gs.glyph_list[1]
        e.add_module(v)
        v.implicit_plane.set(normal=(0, 1, 0), origin=(0, 3, 0))

        v = VectorCutPlane()
        glyph = v.glyph
        gs = glyph.glyph_source
        gs.glyph_source = gs.glyph_list[2]
        gs.glyph_position = 'head'
        e.add_module(v)
        v.implicit_plane.set(normal=(0, 1, 0), origin=(0, -2, 0))
        self.g=g
        self.v=v
        self.scene = e.current_scene
        return

# 需要导入模块: from mayavi.core.null_engine import NullEngine [as 别名]
# 或者: from mayavi.core.null_engine.NullEngine import start [as 别名]
    def setUp(self):

        e = NullEngine()
        # Uncomment to see visualization for debugging etc.
        #e = Engine()
        e.start()
        self.e = e
        s = e.new_scene()
        self.scene = e.current_scene

        self.setup_reader()
        self.setup_viz()
        return