master
45coll 2021-09-17 16:15:51 +08:00
parent e7e80aa953
commit cf8edd5bd1
3 changed files with 49 additions and 1 deletions

View File

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

View File

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

View File

@ -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_()