38 lines
1.0 KiB
Python
38 lines
1.0 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
Simple logarithmic plotting test
|
|
"""
|
|
|
|
import initExample ## Add path to library (just for examples; you do not need this)
|
|
|
|
|
|
from pyqtgraph.Qt import QtGui, QtCore
|
|
import numpy as np
|
|
import pyqtgraph as pg
|
|
|
|
app = QtGui.QApplication([])
|
|
|
|
win = pg.GraphicsWindow(title="Basic plotting examples")
|
|
win.resize(1000,600)
|
|
win.setWindowTitle('pyqtgraph example: LogPlotTest')
|
|
|
|
|
|
p5 = win.addPlot(title="Scatter plot, axis labels, log scale")
|
|
x = np.random.normal(size=1000) * 1e-5
|
|
y = x*1000 + 0.005 * np.random.normal(size=1000)
|
|
y -= y.min()-1.0
|
|
mask = x > 1e-15
|
|
x = x[mask]
|
|
y = y[mask]
|
|
p5.plot(x, y, pen=None, symbol='t', symbolPen=None, symbolSize=10, symbolBrush=(100, 100, 255, 50))
|
|
p5.setLabel('left', "Y Axis", units='A')
|
|
p5.setLabel('bottom', "Y Axis", units='s')
|
|
p5.setLogMode(x=True, y=False)
|
|
|
|
|
|
## 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_()
|