Ejemplo n.º 1
0
def make_movie(input_filename, output_filename):
    cluster, gas = read_set_from_file(input_filename, 'amuse', 
            names=("cluster", "gas"))
    lim = abs(next(cluster.history).position).max()
    
    fig = pyplot.figure(figsize=[10,10])

    artists = []
    for cl, gas in zip(cluster.history, gas.history):
        print "Creating frame at time", cl.get_timestamp()
        points = aplot.scatter(cl.x, cl.y, c='black')
        gas_points = aplot.scatter(gas.x, gas.y, s=100, c='b', 
                edgecolors='none', alpha=0.3, rasterized=True)

        time_label = "t = {:.2f} Myr".format(
                cl.get_timestamp().value_in(units.Myr))
        text = aplot.text(-4./5.*lim, 4./5.*lim, time_label)
        aplot.xlabel("X")
        aplot.ylabel("Y")
        pyplot.axis('equal')
        aplot.xlim(-lim, lim)
        aplot.ylim(-lim, lim)
        pyplot.savefig("plots/test."+str(cl.get_timestamp().value_in(units.Myr))+".png")
        pyplot.close()
                

        artists.append((points, gas_points, text))
Ejemplo n.º 2
0
    def test4(self):
        """ Test text in a plot """
        if not HAS_MATPLOTLIB:
            return self.skip()
        pyplot.clf()
        set_printing_strategy('default')

        x = numpy.linspace(0, 100, 100) | units.yr
        y = numpy.linspace(0, 200, 100) | units.RSun

        aplot.plot(x, y)

        text = aplot.text(50 | units.yr, 0.5 | units.AU, "test text")

        self.assertEquals(50., text.get_position()[0])
        self.assertAlmostEquals(107.546995464, text.get_position()[1])
Ejemplo n.º 3
0
    def test4(self):
        """ Test text in a plot """
        if not HAS_MATPLOTLIB:
            return self.skip()
        pyplot.clf()
        set_printing_strategy('default')

        x = numpy.linspace(0, 100, 100) | units.yr
        y = numpy.linspace(0, 200, 100) | units.RSun

        aplot.plot(x, y)

        text = aplot.text(50|units.yr, 0.5|units.AU, "test text")

        self.assertEquals(50., text.get_position()[0])
        self.assertAlmostEquals(107.546995464, text.get_position()[1])
Ejemplo n.º 4
0
            fig = pyplot.figure(figsize=[10, 10])

            artists = []
            cl = None
            gas = None
            for c, g in zip(cluster.history, gascloud.history):
                cl = c
                gas = g
            points = aplot.scatter(cl.x, cl.y, c='black',
                                   label='Stellar Cluster')
            gas_points = aplot.scatter(gas.x, gas.y, s=100, c='b',
                                       edgecolors='none', alpha=0.3,
                                       rasterized=True,
                                       label='Giant Molecular Cloud')

            time_label = r'$t_{\rm end}$ ' + "= {:.2f} Myr".format(cl.get_timestamp().
                                                 value_in(units.Myr))
            text = aplot.text(-4./5.*lim, 4./5.*lim, time_label)
            aplot.xlabel("X")
            aplot.ylabel("Y")
            pyplot.axis('equal')
            aplot.xlim(-lim, lim)
            aplot.ylim(-lim, lim)
            pyplot.legend()
            pyplot.title(r'Cluster orbitting GMC with $d$={0}, $v_\infty$={1}'
                         .format(impact_parameter, v_infinity) +
                         r', at $t_{\rm end}$')
            pyplot.savefig(out_file)
            pyplot.close()