Python 如何使Matplotlib重新绘制更快?
我必须绘制子地块的网格(例如16x16个)。我使用的是Python 如何使Matplotlib重新绘制更快?,python,matplotlib,Python,Matplotlib,我必须绘制子地块的网格(例如16x16个)。我使用的是matplotlib,但速度有点太慢,尤其是当我必须重新绘制绘图时(例如,当它们的大小改变时)。我怎样才能使它更快 注:以下是代码示例: import sys import matplotlib matplotlib.use('Qt4Agg') import pylab from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas from
matplotlib
,但速度有点太慢,尤其是当我必须重新绘制绘图时(例如,当它们的大小改变时)。我怎样才能使它更快
注:以下是代码示例:
import sys
import matplotlib
matplotlib.use('Qt4Agg')
import pylab
from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.figure import Figure
import PyQt4
from PyQt4 import QtCore, QtGui, Qt
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
# generate the plot
fig = Figure(figsize=(800, 800), facecolor=(1, 1, 1), edgecolor=(0, 0, 0))
for i in range(256):
ax = fig.add_subplot(16, 16, i)
ax.plot([0, 1])
ax.set_xticks([])
ax.set_yticks([])
# ax.set_title("Mega %i" % (i,))
# generate the canvas to display the plot
canvas = FigureCanvas(fig)
canvas.setMinimumWidth(640)
canvas.setMinimumHeight(640)
# generate layout
layout = QtGui.QVBoxLayout();
layout.addWidget(canvas)
layout.setGeometry(QtCore.QRect(0, 0, 1000, 1000))
# generate widget
widget = QtGui.QWidget()
widget.setLayout(layout)
# generate scroll area
win = QtGui.QScrollArea()
win.setWidget(widget)
win.setMinimumWidth(100)
win.setWidgetResizable(True)
win.show()
canvas.draw()
sys.exit(app.exec_())
我没有一个环境来测试您的代码,但我认为这些步骤适合我: