#!/home/ux455215/usr/yt/bin/python

import sys
import optparse

import matplotlib
# Force matplotlib to not use any Xwindows backend.
matplotlib.use('Agg')

usage = "%prog [options] <arry name> <file 1> ... <file N>\n\n"
usage += "Example 1: %prog Density RD0022/RD0022.proj0000.h5\n\n"
usage += "Example 2: %prog -o log_dens -l Density `find . -name '*.proj0000.h5`"

version="%prog Version Moonbase Alpha"
parser = optparse.OptionParser(usage=usage, version=version)
# stick with POSIX syntax
parser.disable_interspersed_args()
parser.add_option("-l", "--log",
                  action="store_true", dest="log", default=False,
                  help="plot using log values")
parser.add_option("-a", "--abs",
                  action="store_true", dest="abs", default=False,
                  help="plot using the absolute values")
parser.add_option("-d", "--debug",
                  action="store_true", dest="debug", default=False,
                  help="print debugging output")
parser.add_option("-c", "--color-map",
                  dest="cmap", default="hot",
                  help="matplotlib color map to use (default = hot)", metavar="<color map>")
parser.add_option("-m", "--min",
                  dest="min", type="float",
                  help="minimum value of plot range to use", metavar="<min>")
parser.add_option("-M", "--max",
                  dest="max", type="float",
                  help="maximum value of plot range to use", metavar="<max>")
parser.add_option("-o", "--output-name",
                  dest="outputname",
                  help="basename for output files; name will be <output name>.<index>.png", 
                  metavar="<output name>")

(options, args) = parser.parse_args()

if len(args) < 2:
    parser.error("An array name and at least one file name are required")
    sys.exit(-1)
    
arrayname = args[0]
filenames = args[1:]

# now that we're sure the options are valid,
# import the module that will do the work
import field_plot
field_plot.plot_files(filenames, arrayname, options)