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"""
This example demonstrates many of the 2D plotting capabilities
in pyqtgraph. All of the plots may be panned/scaled by dragging with
the left/right mouse buttons. Right click on any plot to show a context menu.
"""
import numpy as np
import pyqtgraph as pg
from pyqtgraph.Qt import QtGui
app = pg.mkQApp("AxisItem - label overlap settings")
win = pg.GraphicsLayoutWidget(show=True, title="AxisItem - label overlap settings")
win.resize(800,600)
win.setWindowTitle("AxisItem - label overlap settings")
# Enable antialiasing for prettier plots
pg.setConfigOptions(antialias=True)
x_data = np.arange(101) + 1_000.
y_data = np.random.normal(scale=40., size=101)
font = QtGui.QFont()
font.setPointSize(14) # A larger font makes the effects more visible
p1 = win.addPlot(title="Default settings: Overlap allowed for y axis", x=x_data, y=y_data)
for axis_key in ('top', 'bottom', 'left', 'right'):
ax = p1.getAxis(axis_key)
ax.setTickFont( font )
p2 = win.addPlot(title="Overlap allowed for X axis", x=x_data, y=y_data)
for axis_key, hide_overlap in (
('top' , False),
('bottom', False),
('left' , True ),
('right' , True )
):
ax = p2.getAxis(axis_key)
ax.setStyle( hideOverlappingLabels = hide_overlap )
ax.setTickFont( font )
win.nextRow()
p3 = win.addPlot(title="All overlap disabled", x=x_data, y=y_data)
for axis_key in ('top', 'bottom', 'left', 'right'):
ax = p3.getAxis(axis_key)
ax.setStyle( hideOverlappingLabels = True )
ax.setTickFont( font )
p4 = win.addPlot(title="All overlap enabled, custom tolerances", x=x_data, y=y_data)
for axis_key, tolerance in (
('top' , 15 ),
('bottom', 200 ),
('left' , 100 ),
('right' , 15 )
):
ax = p4.getAxis(axis_key)
ax.setStyle( hideOverlappingLabels = tolerance )
ax.setTickFont( font )
# Link all axes and set viewing range with no padding:
for p in (p1, p2, p3, p4):
p.showAxes(True, showValues=(True, True, True, True))
if p != p1:
p.setXLink(p1)
p.setYLink(p1)
ax.setTickFont( font )
p1.setXRange( 1_000., 1_100., padding=0.0)
p1.setYRange(-60., 60., padding=0.0)
if __name__ == '__main__':
pg.exec()
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