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#!/usr/bin/env python
# Example taken from:
# http://www.mathworks.com/access/helpdesk/help/techdoc/ref/streamribbon.html
from scitools.easyviz import *
from time import sleep
from scipy import io
wind = io.loadmat('wind_matlab_v6.mat')
x = wind['x']
y = wind['y']
z = wind['z']
u = wind['u']
v = wind['v']
w = wind['w']
setp(show=False)
sx,sy,sz = ndgrid([80]*4,seq(20,50,10),seq(0,15,5),sparse=False)
streamribbon(x,y,z,u,v,w,sx,sy,sz,ribbonwidth=5)
view(3)
daspect([1,1,1])
axis('tight')
shading('interp')
#camlight(); lighting('gouraud')
setp(show=True)
show()
#sleep(3)
#hardcopy('tmp_streamribbon1a_hq.eps')
#hardcopy('tmp_streamribbon1a_lq.eps', vector_file=False)
#hardcopy('tmp_streamribbon1a.png')
figure()
# alternative syntax:
streamribbon(x,y,z,u,v,w,sx,sy,sz,
daspect=[1,1,1],
view=3,
axis='tight',
shading='interp',
camlight='right',
lighting='gouraud')
raw_input('Press Return key to quit: ')
#hardcopy('tmp_streamribbon1b_hq.eps')
#hardcopy('tmp_streamribbon1b_lq.eps', vector_file=False)
#hardcopy('tmp_streamribbon1b.png')
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