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: 2005-01-11 01:31:17 +0000 (Tue, 11 Jan 2005) $' |
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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 | [The scan container] |
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31 | scantable - a container for integrations/scans |
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32 | (can open asap/rpfits/sdfits and ms files) |
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33 | copy - returns a copy of a scan |
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34 | get_scan - gets a specific scan out of a scantable |
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35 | summary - print info about the scantable contents |
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36 | set_selection - set a specific Beam/IF/Pol for furthrt use |
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37 | get_selection - print out the current selection |
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38 | stats - get specified statistic of the spectra in |
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39 | the scantable |
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40 | stddev - get the standard deviation of the spectra |
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41 | in the scantable |
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42 | get_tsys - get the TSys |
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43 | get_time - get the timestamps of the integrations |
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44 | set_unit - set the units to be used from this point on |
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45 | set_freqframe - set the frame info for the Spectral Axis |
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46 | (e.g. 'LSRK') |
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47 | create_mask - return an mask in the current unit |
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48 | for the given region. The specified regions |
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49 | are NOT masked |
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50 | set_restfreqs - give a list of rest frequencies |
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51 | flag_spectrum - flag a whole Beam/IF/Pol |
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52 | save - save the scantable to disk as either 'ASAP' |
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53 | or 'SDFITS' |
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54 | nbeam,nif,nchan,npol - the number of beams/IFs/Pols/Chans |
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55 | [Math] |
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56 | average_time - return the (weighted) time average of a scan |
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57 | or a list of scans |
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58 | average_pol - average the polarisations together. |
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59 | The dimension won't be reduced and |
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60 | all polarisations will contain the |
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61 | averaged spectrum. |
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62 | quotient - return the on/off quotient |
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63 | scale - returns a scan scaled by a given factor |
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64 | add - returns a scan with given value added |
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65 | bin - return a scan with binned channels |
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66 | smooth - return the spectrally smoothed scan |
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67 | poly_baseline - fit a polynomial baseline to all Beams/IFs/Pols |
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68 | |
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69 | fitter |
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70 | auto_fit - return a scan where the function is |
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71 | applied to all Beams/IFs/Pols. |
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72 | commit - return a new scan where the fits have been |
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73 | commited. |
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74 | fit - execute the actual fitting process |
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75 | get_chi2 - get the Chi^2 |
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76 | set_scan - set the scantable to be fit |
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77 | set_function - set the fitting function |
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78 | set_parameters - set the parameters for the function(s), and |
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79 | set if they should be held fixed during fitting |
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80 | get_parameters - get the fitted parameters |
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81 | [Reading files] |
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82 | reader - access rpfits/sdfits files |
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83 | read - read in integrations |
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84 | summary - list info about all integrations |
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85 | |
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86 | [General] |
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87 | commands - this command |
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88 | print - print details about a variable |
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89 | list_scans - list all scantables created bt the user |
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90 | del - delete the given variable from memory |
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91 | range - create a list of values, e.g. |
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92 | range(3) = [0,1,2], range(2,5) = [2,3,4] |
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93 | help - print help for one of the listed functions |
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94 | execfile - execute an asap script, e.g. execfile('myscript') |
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95 | """ |
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96 | print x |
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97 | return |
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98 | |
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99 | print """Welcome to ASAP - the ATNF Single Dish Analysis Package |
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100 | This is a testing pre-release v0.1a |
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101 | |
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102 | Please report any bugs to: |
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103 | Malte.Marquarding@csiro.au |
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104 | |
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105 | [NOTE: ASAP is 0-based] |
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106 | Type commands() to get a list of all available ASAP commands. |
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107 | """ |
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