# -*- 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 = pg.mkQApp("Log Plot Example") win = pg.GraphicsLayoutWidget(show=True, 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) if __name__ == '__main__': pg.exec()