9.17.2

python_gui/gui/main.py

@@ -48,8 +48,10 @@ class MyWindow(QMainWindow, Ui_MainWindow):
         self.re_item = []
     def plot_init(self):
         # 绘图对象
+        pg.setConfigOptions(antialias=True)
         self.plotWidget = pg.PlotWidget()
         self.plotWidget.showGrid(x=True, y=True, alpha=0.5)
+        self.plotWidget.addLegend()
         self.controlPlotWidget = ControlPlotPanel(controllerPlotWidget=self)
         # 图表可视化数组
         self.numberOfSamples = 300

python_gui/gui/sharedcomponets.py

@@ -67,7 +67,6 @@ class GUIToolKit(object):
         }
         currentDir = os.path.dirname(__file__)
         icon_path = os.path.join(currentDir, './resources', file_index[icoName])
-        print(icon_path)
         icon = QtGui.QIcon()
         icon.addPixmap(QtGui.QPixmap(icon_path), QtGui.QIcon.Normal,
                       QtGui.QIcon.Off)

python_gui/gui/test1.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+"""
+Demonstrates basic use of LegendItem
+
+"""
+# import initExample ## Add path to library (just for examples; you do not need this)
+
+import pyqtgraph as pg
+from pyqtgraph.Qt import QtCore, QtGui
+import numpy as np
+
+win = pg.plot()
+win.setWindowTitle('pyqtgraph example: BarGraphItem')
+
+# # option1: only for .plot(), following c1,c2 for example-----------------------
+# win.addLegend(frame=False, rowCount=1, colCount=2)
+
+# bar graph
+x = np.arange(10)
+y = np.sin(x+2) * 3
+bg1 = pg.BarGraphItem(x=x, height=y, width=0.3, brush='b', pen='w', name='bar')
+win.addItem(bg1)
+
+# curve
+c1 = win.plot([np.random.randint(0,8) for i in range(10)], pen='r', symbol='t', symbolPen='r', symbolBrush='g', name='curve1')
+c2 = win.plot([2,1,4,3,1,3,2,4,3,2], pen='g', fillLevel=0, fillBrush=(255,255,255,30), name='curve2')
+
+# scatter plot
+s1 = pg.ScatterPlotItem(size=10, pen=pg.mkPen(None), brush=pg.mkBrush(255, 255, 255, 120), name='scatter')
+spots = [{'pos': [i, np.random.randint(-3, 3)], 'data': 1} for i in range(10)]
+s1.addPoints(spots)
+win.addItem(s1)
+
+# # option2: generic method------------------------------------------------
+legend = pg.LegendItem((80,60), offset=(70,20))
+legend.setParentItem(win.graphicsItem())
+legend.addItem(bg1, 'bar')
+legend.addItem(c1, 'curve1')
+legend.addItem(c2, 'curve2')
+legend.addItem(s1, 'scatter')
+
+
+## Start Qt event loop unless running in interactive mode or using pyside.
+if __name__ == '__main__':
+    import sys
+    if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
+        QtGui.QApplication.instance().exec_()