example_pointCloud - almarklein/visvis GitHub Wiki
#!/usr/bin/env python
import numpy as np
import visvis as vv
from visvis import Point, Pointset
app = vv.use()
# create random points
a = np.random.normal(size=(1000,3))
pp = Pointset(a)
pp *= Point(2,5,1)
# prepare axes
a = vv.gca()
a.cameraType = '3d'
a.daspectAuto = False
# draw points
l = vv.plot(pp, ms='.', mc='r', mw='9', ls='', mew=0 )
l.alpha = 0.1
app.Run()