| 1 | """
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| 2 | This is the ATNF Single Dish Analysis package.
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| 3 |
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| 4 | """
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| 5 | #import _asap
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| 6 | #from asaplot import ASAPlot
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| 7 | from asapfitter import *
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| 8 | from asapreader import reader
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| 9 | from asapmath import *
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| 10 | from scantable import *
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| 11 | #from numarray ones,zeros
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| 12 |
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| 13 | __date__ = '$Date: 2004-12-20 04:36:48 +0000 (Mon, 20 Dec 2004) $'
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| 14 | __version__ = '0.1a'
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| 15 |
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| 16 | def list_scans(t = scantable):
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| 17 | import sys, types
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| 18 | #meta_t = type(t)
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| 19 | #if meta_t == types.InstanceType:
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| 20 | # t = t.__class__
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| 21 | #elif meta_t not in [types.ClassType, types.TypeType]:
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| 22 | # t = meta_t
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| 23 | globs = sys.modules['__main__'].__dict__.iteritems()
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| 24 | print "The user created scantables are:"
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| 25 | x = map(lambda x: x[0], filter(lambda x: isinstance(x[1], t), globs))
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| 26 | print x
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| 27 |
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| 28 | def commands():
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| 29 | x = """
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| 30 | [Reading files]
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| 31 | reader - access rpfits/sdfits files
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| 32 | read - read in integrations
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| 33 | summary - list info about all integrations
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| 34 | [The scan container]
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| 35 | scantable - a container for integrations/scans
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| 36 | copy - returns a copy of a scan
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| 37 | get_scan - gets a specific scan out of a scantable
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| 38 | summary - print info about the scantable contents
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| 39 | set_selection - set a specific Beam/IF/Pol for furthrt use
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| 40 | get_selection - print out the current selection
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| 41 | stats - get specified statistic of the spectra in the scantable
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| 42 | stddev - get the standard deviation of the spectra in the scantable
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| 43 | get_tsys - get the TSys
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| 44 | get_time - get the timestamps of the integrations
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| 45 | set_unit - set the units to be used from this point on
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| 46 | set_freqframe - set the frame info for the Spectral Axis
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| 47 | (e.g. 'LSRK')
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| 48 | create_mask - return a mask in thecurrent unit
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| 49 | set_restfreqs - give a list of rest frequencies
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| 50 | flag_spectrum - flag a whole Beam/IF/Pol
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| 51 | save - save the scantable to disk as either 'ASAP'
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| 52 | or 'SDFITS'
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| 53 | nbeam,nif,nchan,npol - the number of beams/IFs/Pols/Chans
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| 54 | [Math]
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| 55 | average_time - return the rms-weighted (time) average of
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| 56 | a scan or a list of scans
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| 57 | average_pol - average the polarisations together.
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| 58 | The dimension won't be reduced and
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| 59 | all polarisations will contain the
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| 60 | averaged spectrum.
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| 61 | quotient - return the on/off quotient
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| 62 | scale - returns a scan scaled by a given factor
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| 63 | bin - return a scan with binned channels
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| 64 | hanning - return the hanning smoothed scan
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| 65 | poly_baseline - fit a polynomial baseline to all Beams/IFs/Pols
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| 66 |
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| 67 | fitter
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| 68 | auto_fit - return a scan where the function is
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| 69 | applied to all Beams/IFs/Pols.
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| 70 | commit - return a new scan where the fits have been
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| 71 | commited.
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| 72 | fit - execute the actual fitting process
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| 73 | get_chi2 - get the Chi^2
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| 74 | set_scan - set the scantable to be fit
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| 75 | set_function - set the fitting function
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| 76 | set_parameters - set the parameters for the function(s), and
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| 77 | set if they should be held fixed during fitting
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| 78 | get_parameters - get the fitted parameters
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| 79 |
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| 80 | [General]
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| 81 | commands - this command
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| 82 | print - print details about a variable
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| 83 | list_scans - list all scantables created bt the user
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| 84 | del - delete the given variable from memory
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| 85 | range - create a list of values, e.g.
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| 86 | range(3) = [0,1,2], range(2,5) = [2,3,4]
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| 87 | help - print help for one of the listed functions
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| 88 | execfile - execute an asap script, e.g. execfile('myscript')
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| 89 | """
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| 90 | print x
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| 91 | return
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| 92 |
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| 93 | print """Welcome to ASAP - the ATNF Single Dish Analysis Package
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| 94 | This is a testing pre-release v0.1a
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| 95 |
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| 96 | Please report any bugs to:
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| 97 | Malte.Marquarding@csiro.au
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| 98 |
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| 99 | [NOTE: ASAP is 0-based]
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| 100 | Type commands() to get a list of all available ASAP commands.
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| 101 | """
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