/usr/lib/python2.7/dist-packages/pyqtgraph/examples/GLBarGraphItem.py is in python-pyqtgraph 0.9.10-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | # -*- coding: utf-8 -*-
"""
Demonstrate use of GLLinePlotItem to draw cross-sections of a surface.
"""
## Add path to library (just for examples; you do not need this)
import initExample
from pyqtgraph.Qt import QtCore, QtGui
import pyqtgraph.opengl as gl
import pyqtgraph as pg
import numpy as np
app = QtGui.QApplication([])
w = gl.GLViewWidget()
w.opts['distance'] = 40
w.show()
w.setWindowTitle('pyqtgraph example: GLBarGraphItem')
gx = gl.GLGridItem()
gx.rotate(90, 0, 1, 0)
gx.translate(-10, 0, 10)
w.addItem(gx)
gy = gl.GLGridItem()
gy.rotate(90, 1, 0, 0)
gy.translate(0, -10, 10)
w.addItem(gy)
gz = gl.GLGridItem()
gz.translate(0, 0, 0)
w.addItem(gz)
# regular grid of starting positions
pos = np.mgrid[0:10, 0:10, 0:1].reshape(3,10,10).transpose(1,2,0)
# fixed widths, random heights
size = np.empty((10,10,3))
size[...,0:2] = 0.4
size[...,2] = np.random.normal(size=(10,10))
bg = gl.GLBarGraphItem(pos, size)
w.addItem(bg)
## Start Qt event loop unless running in interactive mode.
if __name__ == '__main__':
import sys
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()
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