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"""
Demonstrates use of GLGraphItem
"""
import numpy as np
import pyqtgraph as pg
import pyqtgraph.opengl as gl
app = pg.mkQApp("GLGraphItem Example")
w = gl.GLViewWidget()
w.setCameraPosition(distance=20)
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=10.
)
w.addItem(gi)
if __name__ == "__main__":
pg.exec()
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