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import matplotlib as mpl; mpl.use('agg')
import matplotlib.pyplot as plt
from DiskXYZ import Disk
import numpy as np
import argparse
import sys
from math import pi

# Parse Arguments
parser = argparse.ArgumentParser()
parser.add_argument("imin", type=int, help='First Output')
parser.add_argument("imax", type=int, help='Last Output')
args = parser.parse_args()

# Sanity Checks
if args.imin > args.imax:
    print("Cannot Work With Imin > Imax. Use -h for help.")
    sys.exit(-1)

# Build Output Range
iouts = range(args.imin, args.imax+1)

# Determine Density Limits
first = True;
for iout in iouts:
    print "Scanning MinMax %i/%i." % (iout, iouts[-1])
    disk = Disk(iout)
    disk.load_npz_minmax()
    if first:
        rho_xy_lo = disk.rho_xy_min; rho_xy_hi = disk.rho_xy_max
        first = False
    else:
        if disk.rho_xy_min < rho_xy_lo: rho_xy_lo = disk.rho_xy_min
        if disk.rho_xy_max > rho_xy_hi: rho_xy_hi = disk.rho_xy_max

rho_xy_lim = [np.log10(rho_xy_lo), np.log10(rho_xy_hi)]

# Make Plots
for iout in iouts:
    print "Rendering Figure %i/%i." % (iout, iouts[-1])
    disk = Disk(iout)
    disk.load_npz()
    fig = plt.figure()
    ax = fig.add_subplot(1,1,1)
    disk.plot_rho_xy(ax, clim=rho_xy_lim)
    plt.suptitle("t=%0.2f [code] / t=%0.2f [yr] / %05d [iout]" % \
        (disk.info["time"], disk.info["time"]/2./pi, iout))
    plt.savefig('rho_xy_%05d.png' % iout)
    plt.clf()
    plt.close()
    del disk