#!/usr/bin/env python

#
# $Id: pvid.py,v 1.4 2009/06/13 07:38:49 brandenb Exp $
# Animation of slices for the magnetic field
#

import numpy as N
import pylab as P
import pencil as pc
import sys

# bb1=Bx, bb2=By and bb3=Bz
bb1, t = pc.read_slices(field='bb3', proc=0)

dim=pc.read_dim()
par=pc.read_param(quiet=True)
par2=pc.read_param(quiet=True, param2=True)
grid=pc.read_grid(param=par, quiet=True, trim=True)
nt=len(t)

frame=par.xyz0[0],par.xyz1[0],par.xyz0[2],par.xyz1[2]

P.ion()
im=P.imshow(bb1[0,...], aspect='auto', origin='lower')
st=P.figtext(0.8,0.2,'t=%.1f'%t[0], color='w')

for i in range(1, nt):
  im.set_data(bb1[i, ...])
  st.set_text('t=%.1f'%t[i])

  P.draw()

P.show()