1 plt.figure() 2 data = np.random.rand(10) 3 plt.plot(data) 4 #创建点击事件 5 def onclick(event): 6 plt.cla() 7 plt.plot(data) 8 plt.gca().set_title('Event at pixels {},{} and data {},{}'.format(event.x, event.y, event.xdata, event.ydata)) 9 10 # tell mpl_connect we want to pass a 'button_press_event' into onclick when the event is detected 11 plt.gcf().canvas.mpl_connect('button_press_event', onclick)
1 from random import shuffle 2 origins = ['China', 'Brazil', 'India', 'USA', 'Canada', 'UK', 'Germany', 'Iraq', 'Chile', 'Mexico'] 3 4 shuffle(origins) 5 6 df = pd.DataFrame({'height': np.random.rand(10), 7 'weight': np.random.rand(10), 8 'origin': origins}) 9 df
1 plt.figure() 2 # picker=5 means the mouse doesn't have to click directly on an event, but can be up to 5 pixels away 3 plt.scatter(df['height'], df['weight'], picker=5) 4 plt.gca().set_ylabel('Weight') 5 plt.gca().set_xlabel('Height')
1 def onpick(event): 2 origin = df.iloc[event.ind[0]]['origin'] 3 plt.gca().set_title('Selected item came from {}'.format(origin)) 4 5 # tell mpl_connect we want to pass a 'pick_event' into onpick when the event is detected 6 plt.gcf().canvas.mpl_connect('pick_event', onpick)
