diff -r 8becd52c2171 -r 1bbea188a7e5 HP3562A/trace_decoder.py
--- a/HP3562A/trace_decoder.py	Mon Feb 04 19:49:48 2008 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,139 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-trace_decoder
-=============
-
-Module for decoding a trace generated by the HP3562A DSA, using the
-GPIB command "DDBN" (Dump Data BiNary).
-
-This file can be exectued as a python script. Use '-h' for more informations. 
-"""
-import struct
-import numpy
-from HP3562A import format_header, decode_float, decode_string, decode_header, read_trace
-from HP3562A.enum_types import *
-
-
-HEADER = [ ("Display function", EDSP, 'h', 2),
-           ('Number of elements', int, 'h', 2),
-           ('Displayed elements', int, 'h', 2),
-           ('Number of averages', int, 'h', 2),
-           ('Channel selection', ECH, 'h', 2),
-           ('Overflow status', EOVR, 'h', 2),
-           ('Overlap percentage', int, 'h', 2),
-           ('Domain', EDOM, 'h', 2),
-           ('Volts peak/rms', EVLT, 'h', 2),
-           ('Amplitude units', EAMP, 'h', 2),
-           ('X axis units', EXAXIS, 'h', 2),
-           ('Auto math label', str, 's', 14),
-           ('Trace label', str, 's', 22),
-           ('EU label 1', str, 's', 6),
-           ('EU label 2', str, 's', 6),
-           ('Float/Interger', bool, 'h', 2),
-           ('Complex/Real', bool, 'h', 2),
-           ('Live/Recalled', bool, 'h', 2),
-           ('Math result', bool, 'h', 2),
-           ('Real/Complex input', bool, 'h', 2),
-           ('Log/Linear data', bool, 'h', 2),
-           ('Auto math', bool, 'h', 2),
-           ('Real time status', bool, 'h', 2),
-           ('Measurement mode', EMEAS, 'h', 2),
-           ('Window', EWIN, 'h', 2),
-           ('Demod type channel 1', EDEMOD, 'h', 2),
-           ('Demod type channel 2', EDEMOD, 'h', 2),
-           ('Demod active channel 1', bool, 'h', 2),
-           ('Demod active channel 2', bool, 'h', 2),
-           ('Average status', EAVG, 'h', 2),
-           ('Not used', int, 'hh', 4),
-           ('Samp freq/2 (real)', decode_float, None, 4),
-           ('Samp freq/2 (imag)', decode_float, None, 4),
-           ('Not used', decode_float, None, 4),
-           ('Delta X-axis', decode_float, None, 4),
-           ('Max range', decode_float, None, 4),
-           ('Start time value', decode_float, None, 4),
-           ('Expon wind const 1', decode_float, None, 4),
-           ('Expon wind const 2', decode_float, None, 4),
-           ('EU value chan 1', decode_float, None, 4),
-           ('EU value chan 2', decode_float, None, 4),
-           ('Trig delay chan 1', decode_float, None, 4),
-           ('Trig delay chan 2', decode_float, None, 4),
-           ('Start freq value', decode_float, None, 8),
-           ('Start data value', decode_float, None, 8),
-           ]
-
-def decode_trace(data, idx=0):
-    """
-    Decode the data (as generated by the HP3562A DSA in response to a
-    "DDBN" command), and returns a couple (header, values).
-
-    header is the dictionnary of the header of the dumped data block,
-    value is a numpy array holding the trace (vector of float or
-    complex values).
-    """
-    header, idx = decode_header(data, HEADER, idx)
-    return header, read_trace(data, idx, header["Number of elements"])
-
-def main():
-    import sys
-    import optparse
-    opt = optparse.OptionParser("A simple tool for tracing a dumped trace")
-    opt.add_option('-f', '--filename', default=None,
-                   dest='filename',
-                   help='Output filename. If not set, read from stdin')
-    opt.add_option('-m', '--mode', default='binary',
-                   dest='mode',
-                   help='Dumping mode (may be "binary" [default], "ascii" or "ansi")',
-                   )
-    opt.add_option('-d', '--display-header', default=False,
-                   action="store_true",
-                   dest="displayheader",
-                   help="Display the trace header")
-    opt.add_option('-P', '--noplot-trace', default=True,
-                   action="store_false",
-                   dest="plot",
-                   help="Do not display the plot of the trace")
-    opt.add_option('-x', '--xmode', default='lin',
-                   dest='xmode',
-                   help='X coordinate mode (may be "lin" [default] or "log")')
-    opt.add_option('-y', '--ymode', default='lin',
-                   dest='ymode',
-                   help='Y coordinate mode (may be "lin" [default], "log" or "db")')
-    
-    options, argv = opt.parse_args(sys.argv)
-
-
-    if options.filename is None:
-        print "Can't deal stdin for now..."
-        sys.exit(1)
-    try:
-        header, data = decode_trace(open(options.filename, 'rb').read())
-    except Exception, e:
-        print "ERROR: can't read %s an interpret it as a HP3562 trace"%options.filename
-        print e
-        sys.exit(1)
-
-    if options.displayheader:
-        print format_header(header, HEADER, 100)
-    if options.plot:
-        f0 = header['Start freq value']
-        dx = header['Delta X-axis']
-        n = header['Number of elements']
-        x = numpy.linspace(f0, f0+dx*n, len(data)) 
-        y = data.copy()
-
-        import pylab
-        if options.ymode != "lin":
-            minv = min(y[y>0])
-            y[y==0] = minv
-            y = numpy.log10(y)
-        if options.ymode == "db":
-            y = y*10
-            pylab.ylabel('db')
-        pylab.grid()
-        pylab.plot(x, y)
-        pylab.xlabel('frequency')
-        pylab.show()
-    
-          
-if __name__ == "__main__":
-    main()