Matplotlib with PyQt4
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from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas | |
import matplotlib.pyplot as plt | |
class Canvas(FigureCanvas): | |
def __init__(self, parent=None): | |
self.figure = plt.figure() | |
FigureCanvas.__init__(self, self.figure) | |
self.setParent(parent) |
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date | data | |
---|---|---|
1 | 12 | |
2 | 13 | |
3 | 7 | |
4 | 2 | |
5 | 12 | |
6 | 55 | |
7 | 21 | |
8 | 32 | |
9 | 24 | |
10 | 2 |
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import matplotlib | |
matplotlib.use('Qt4Agg') | |
import sys | |
from PyQt4 import QtCore, QtGui, uic | |
import matplotlib.pyplot as plt | |
import pandas as pd | |
import numpy as np | |
qtCreatorFile = "main.ui" # my Qt Designer file | |
Ui_MainWindow, QtBaseClass = uic.loadUiType(qtCreatorFile) | |
class MyApp(QtGui.QMainWindow, Ui_MainWindow): | |
def __init__(self): | |
QtGui.QMainWindow.__init__(self) | |
Ui_MainWindow.__init__(self) | |
self.setupUi(self) | |
self.csvbutton.clicked.connect(self.plot) | |
def plot(self): | |
filePath="data.csv" | |
df= pd.read_csv(str(filePath),index_col='date') | |
ax = self.canvas.figure.add_subplot(111) | |
ax.hold(False) | |
ax.plot(df, '*-') | |
self.canvas.draw() | |
if __name__ == "__main__": | |
app = QtGui.QApplication(sys.argv) | |
window = MyApp() | |
window.show() | |
sys.exit(app.exec_()) |
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<?xml version="1.0" encoding="UTF-8"?> | |
<ui version="4.0"> | |
<class>MainWindow</class> | |
<widget class="QMainWindow" name="MainWindow"> | |
<property name="geometry"> | |
<rect> | |
<x>0</x> | |
<y>0</y> | |
<width>600</width> | |
<height>501</height> | |
</rect> | |
</property> | |
<property name="windowTitle"> | |
<string>MainWindow</string> | |
</property> | |
<widget class="QWidget" name="centralwidget"> | |
<widget class="QPushButton" name="csvbutton"> | |
<property name="geometry"> | |
<rect> | |
<x>40</x> | |
<y>10</y> | |
<width>83</width> | |
<height>25</height> | |
</rect> | |
</property> | |
<property name="text"> | |
<string>csvbutton</string> | |
</property> | |
</widget> | |
<widget class="Canvas" name="canvas" native="true"> | |
<property name="geometry"> | |
<rect> | |
<x>20</x> | |
<y>70</y> | |
<width>551</width> | |
<height>371</height> | |
</rect> | |
</property> | |
</widget> | |
</widget> | |
<widget class="QMenuBar" name="menubar"> | |
<property name="geometry"> | |
<rect> | |
<x>0</x> | |
<y>0</y> | |
<width>600</width> | |
<height>22</height> | |
</rect> | |
</property> | |
</widget> | |
<widget class="QStatusBar" name="statusbar"/> | |
</widget> | |
<customwidgets> | |
<customwidget> | |
<class>Canvas</class> | |
<extends>QWidget</extends> | |
<header>canvas.h</header> | |
<container>1</container> | |
</customwidget> | |
</customwidgets> | |
<resources/> | |
<connections/> | |
</ui> |
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