44 lines
985 B
Python
44 lines
985 B
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
This example demonstrates the use of GLBarGraphItem.
|
|
|
|
"""
|
|
## 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 = pg.mkQApp("GLBarGraphItem Example")
|
|
w = gl.GLViewWidget()
|
|
w.show()
|
|
w.setWindowTitle('pyqtgraph example: GLBarGraphItem')
|
|
w.setCameraPosition(distance=40)
|
|
|
|
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)
|
|
|
|
if __name__ == '__main__':
|
|
pg.exec()
|