Hadoop/Spark开发环境配置

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matplotlib.pyplot as plt　　from matplotlib.sankey import Sankey
　　fig = plt.figure(figsize=(8, 9))
　　ax = fig.add_subplot(1, 1, 1, xticks=[], yticks=[],
　　title="Rankine Power Cycle: Example 8.6 from Moran and "
　　"Shapiro\n\x22Fundamentals of Engineering Thermodynamics "
　　"\x22, 6th ed., 2008")
　　Hdot = [260.431, 35.078, 180.794, 221.115, 22.700,
　　142.361, 10.193, 10.210, 43.670, 44.312,
　　68.631, 10.758, 10.758, 0.017, 0.642,
　　232.121, 44.559, 100.613, 132.168]  # MW
　　sankey = Sankey(ax=ax, format='%.3G', unit=' MW', gap=0.5, scale=1.0/Hdot[0])

　　sankey.add(patchlabel='\n\nPump 1', rotation=90,>　　flows=[Hdot[13], Hdot[6], -Hdot[7]],
　　labels=['Shaft power', '', None],
　　pathlengths=[0.4, 0.883, 0.25],
　　orientations=[1, -1, 0])

　　sankey.add(patchlabel='\n\nOpen\nheater',>　　flows=[Hdot[11], Hdot[7], Hdot[4], -Hdot[8]],
　　labels=[None, '', None, None],
　　pathlengths=[0.25, 0.25, 1.93, 0.25],
　　orientations=[1, 0, -1, 0], prior=0, connect=(2, 1))

　　sankey.add(patchlabel='\n\nPump 2',>　　flows=[Hdot[14], Hdot[8], -Hdot[9]],
　　labels=['Shaft power', '', None],
　　pathlengths=[0.4, 0.25, 0.25],
　　orientations=[1, 0, 0], prior=1, connect=(3, 1))
　　sankey.add(patchlabel='Closed\nheater', trunklength=2.914, fc='#37c959',
　　flows=[Hdot[9], Hdot[1], -Hdot[11], -Hdot[10]],
　　pathlengths=[0.25, 1.543, 0.25, 0.25],
　　labels=['', '', None, None],
　　orientations=[0, -1, 1, -1], prior=2, connect=(2, 0))

　　sankey.add(patchlabel='Trap',>　　flows=[Hdot[11], -Hdot[12]],
　　labels=['\n', None],
　　pathlengths=[1.0, 1.01],
　　orientations=[1, 1], prior=3, connect=(2, 0))

　　sankey.add(patchlabel='Steam\ngenerator',>　　flows=[Hdot[15], Hdot[10], Hdot[2], -Hdot[3], -Hdot[0]],
　　labels=['Heat rate', '', '', None, None],
　　pathlengths=0.25,
　　orientations=[1, 0, -1, -1, -1], prior=3, connect=(3, 1))

　　sankey.add(patchlabel='\n\n\nTurbine 1',>　　flows=[Hdot[0], -Hdot[16], -Hdot[1], -Hdot[2]],
　　labels=['', None, None, None],
　　pathlengths=[0.25, 0.153, 1.543, 0.25],
　　orientations=[0, 1, -1, -1], prior=5, connect=(4, 0))

　　sankey.add(patchlabel='\n\n\nReheat',>　　flows=[Hdot[2], -Hdot[2]],
　　labels=[None, None],
　　pathlengths=[0.725, 0.25],
　　orientations=[-1, 0], prior=6, connect=(3, 0))

　　sankey.add(patchlabel='Turbine 2', trunklength=3.212,>　　flows=[Hdot[3], Hdot[16], -Hdot[5], -Hdot[4], -Hdot[17]],
　　labels=[None, 'Shaft power', None, '', 'Shaft power'],
　　pathlengths=[0.751, 0.15, 0.25, 1.93, 0.25],
　　orientations=[0, -1, 0, -1, 1], prior=6, connect=(1, 1))

　　sankey.add(patchlabel='Condenser',>　　flows=[Hdot[5], -Hdot[18], -Hdot[6]],
　　labels=['', 'Heat rate', None],
　　pathlengths=[0.45, 0.25, 0.883],
　　orientations=[-1, 1, 0], prior=8, connect=(2, 0))
　　diagrams = sankey.finish()
　　for diagram in diagrams:
　　diagram.text.set_fontweight('bold')
　　diagram.text.set_fontsize('10')
　　for text in diagram.texts:
　　text.set_fontsize('10')
　　# Notice that the explicit connections are handled automatically, but the
　　# implicit ones currently are not.  The lengths of the paths and the trunks
　　# must be adjusted manually, and that is a bit tricky.
　　plt.show()