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
48
49
50
51
52
53
54
55
|
"""
Demonstrates use of GLGraphItem
"""
import sys
import numpy as np
import pyqtgraph as pg
from pyqtgraph.Qt import QtGui
import pyqtgraph.opengl as gl
if 'darwin' in sys.platform:
fmt = QtGui.QSurfaceFormat()
fmt.setRenderableType(fmt.RenderableType.OpenGL)
fmt.setProfile(fmt.OpenGLContextProfile.CoreProfile)
fmt.setVersion(4, 1)
QtGui.QSurfaceFormat.setDefaultFormat(fmt)
app = pg.mkQApp("GLGraphItem Example")
w = gl.GLViewWidget()
w.setCameraPosition(distance=5)
w.show()
edges = np.array([
[0, 2],
[0, 3],
[1, 2],
[1, 3],
[2, 3]
])
nodes = np.array(
[
[0, 0, 0],
[1, 0, 0],
[0, 1, 0],
[1, 1, 1]
]
)
edgeColor=pg.glColor("w")
gi = gl.GLGraphItem(
edges=edges,
nodePositions=nodes,
edgeWidth=1.,
nodeSize=0.1,
pxMode=False
)
w.addItem(gi)
if __name__ == "__main__":
pg.exec()
|
