[100] | 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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[1080] | 5 | import os,sys,shutil, platform |
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[226] | 6 | |
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[1080] | 7 | # Set up AIPSPATH and first time use of asap i.e. ~/.asap/* |
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| 8 | plf = None |
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| 9 | if sys.platform == "linux2": |
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| 10 | if platform.architecture()[0] == '64bit': |
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| 11 | plf = 'linux_64b' |
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| 12 | else: |
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| 13 | plf = 'linux_gnu' |
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| 14 | elif sys.platform == 'darwin': |
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| 15 | plf = 'darwin' |
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| 16 | else: |
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| 17 | # Shouldn't happen - default to linux |
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| 18 | plf = 'linux' |
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| 19 | asapdata = __path__[-1] |
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[1171] | 20 | # Allow user defined data location |
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| 21 | if os.environ.has_key("ASAPDATA"): |
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| 22 | if os.path.exists(os.environ["ASAPDATA"]): |
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| 23 | asapdata = os.environ["ASAPDATA"] |
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[1371] | 24 | # use AIPSPATH if defined and "data" dir present |
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| 25 | if not os.environ.has_key("AIPSPATH") or \ |
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| 26 | not os.path.exists(os.environ["AIPSPATH"].split()[0]+"/data"): |
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[1316] | 27 | os.environ["AIPSPATH"] = "%s %s somwhere" % ( asapdata, plf) |
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[1171] | 28 | # set up user space |
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[1080] | 29 | userdir = os.environ["HOME"]+"/.asap" |
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| 30 | if not os.path.exists(userdir): |
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| 31 | print 'First time ASAP use. Setting up ~/.asap' |
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| 32 | os.mkdir(userdir) |
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| 33 | shutil.copyfile(asapdata+"/data/ipythonrc-asap", userdir+"/ipythonrc-asap") |
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[1434] | 34 | shutil.copyfile(asapdata+"/data/ipy_user_conf.py", |
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| 35 | userdir+"/ipy_user_conf.py") |
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[1080] | 36 | f = file(userdir+"/asapuserfuncs.py", "w") |
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| 37 | f.close() |
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| 38 | f = file(userdir+"/ipythonrc", "w") |
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| 39 | f.close() |
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[1472] | 40 | else: |
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| 41 | # upgrade to support later ipython versions |
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| 42 | if not os.path.exists(userdir+"/ipy_user_conf.py"): |
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| 43 | shutil.copyfile(asapdata+"/data/ipy_user_conf.py", |
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| 44 | userdir+"/ipy_user_conf.py") |
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| 45 | |
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[1171] | 46 | # remove from namespace |
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[1080] | 47 | del asapdata, userdir, shutil, platform |
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| 48 | |
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[513] | 49 | def _validate_bool(b): |
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[226] | 50 | 'Convert b to a boolean or raise' |
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| 51 | bl = b.lower() |
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| 52 | if bl in ('f', 'no', 'false', '0', 0): return False |
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| 53 | elif bl in ('t', 'yes', 'true', '1', 1): return True |
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| 54 | else: |
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| 55 | raise ValueError('Could not convert "%s" to boolean' % b) |
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| 56 | |
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[513] | 57 | def _validate_int(s): |
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[226] | 58 | 'convert s to int or raise' |
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| 59 | try: return int(s) |
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| 60 | except ValueError: |
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| 61 | raise ValueError('Could not convert "%s" to int' % s) |
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| 62 | |
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[513] | 63 | def _asap_fname(): |
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[226] | 64 | """ |
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| 65 | Return the path to the rc file |
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| 66 | |
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| 67 | Search order: |
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| 68 | |
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| 69 | * current working dir |
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| 70 | * environ var ASAPRC |
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[274] | 71 | * HOME/.asaprc |
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[706] | 72 | |
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[226] | 73 | """ |
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| 74 | |
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| 75 | fname = os.path.join( os.getcwd(), '.asaprc') |
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| 76 | if os.path.exists(fname): return fname |
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| 77 | |
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| 78 | if os.environ.has_key('ASAPRC'): |
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| 79 | path = os.environ['ASAPRC'] |
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| 80 | if os.path.exists(path): |
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| 81 | fname = os.path.join(path, '.asaprc') |
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| 82 | if os.path.exists(fname): |
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| 83 | return fname |
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| 84 | |
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| 85 | if os.environ.has_key('HOME'): |
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| 86 | home = os.environ['HOME'] |
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| 87 | fname = os.path.join(home, '.asaprc') |
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| 88 | if os.path.exists(fname): |
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| 89 | return fname |
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| 90 | return None |
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| 91 | |
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[706] | 92 | |
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[226] | 93 | defaultParams = { |
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| 94 | # general |
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[513] | 95 | 'verbose' : [True, _validate_bool], |
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| 96 | 'useplotter' : [True, _validate_bool], |
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[542] | 97 | 'insitu' : [True, _validate_bool], |
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[706] | 98 | |
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[226] | 99 | # plotting |
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[706] | 100 | 'plotter.gui' : [True, _validate_bool], |
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[226] | 101 | 'plotter.stacking' : ['p', str], |
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| 102 | 'plotter.panelling' : ['s', str], |
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[700] | 103 | 'plotter.colours' : ['', str], |
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| 104 | 'plotter.linestyles' : ['', str], |
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[710] | 105 | 'plotter.decimate' : [False, _validate_bool], |
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| 106 | 'plotter.ganged' : [True, _validate_bool], |
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[1022] | 107 | 'plotter.histogram' : [False, _validate_bool], |
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[1097] | 108 | 'plotter.papertype' : ['A4', str], |
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[710] | 109 | |
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[226] | 110 | # scantable |
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| 111 | 'scantable.save' : ['ASAP', str], |
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[513] | 112 | 'scantable.autoaverage' : [True, _validate_bool], |
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[226] | 113 | 'scantable.freqframe' : ['LSRK', str], #default frequency frame |
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[1076] | 114 | 'scantable.verbosesummary' : [False, _validate_bool], |
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[1422] | 115 | 'scantable.storage' : ['memory', str], |
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| 116 | 'scantable.history' : [True, _validate_bool] |
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[226] | 117 | # fitter |
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| 118 | } |
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| 119 | |
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[255] | 120 | def list_rcparameters(): |
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[706] | 121 | |
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[255] | 122 | print """ |
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[737] | 123 | # general |
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| 124 | # print verbose output |
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| 125 | verbose : True |
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[255] | 126 | |
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[737] | 127 | # preload a default plotter |
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| 128 | useplotter : True |
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[255] | 129 | |
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[737] | 130 | # apply operations on the input scantable or return new one |
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| 131 | insitu : True |
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[706] | 132 | |
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[737] | 133 | # plotting |
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[710] | 134 | |
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[737] | 135 | # do we want a GUI or plot to a file |
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| 136 | plotter.gui : True |
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[710] | 137 | |
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[737] | 138 | # default mode for colour stacking |
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| 139 | plotter.stacking : Pol |
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[255] | 140 | |
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[737] | 141 | # default mode for panelling |
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| 142 | plotter.panelling : scan |
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[255] | 143 | |
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[737] | 144 | # push panels together, to share axislabels |
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| 145 | plotter.ganged : True |
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[710] | 146 | |
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[737] | 147 | # decimate the number of points plotted bya afactor of |
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| 148 | # nchan/1024 |
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| 149 | plotter.decimate : False |
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[733] | 150 | |
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[737] | 151 | # default colours/linestyles |
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| 152 | plotter.colours : |
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| 153 | plotter.linestyles : |
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[700] | 154 | |
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[1022] | 155 | # enable/disable histogram plotting |
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| 156 | plotter.histogram : False |
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| 157 | |
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[1097] | 158 | # ps paper type |
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| 159 | plotter.papertype : A4 |
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| 160 | |
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[737] | 161 | # scantable |
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[1076] | 162 | |
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[1259] | 163 | # default storage of scantable ('memory'/'disk') |
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[1076] | 164 | scantable.storage : memory |
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[1422] | 165 | |
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| 166 | # write history of each call to scantable |
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| 167 | scantable.history : True |
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| 168 | |
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[737] | 169 | # default ouput format when saving |
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| 170 | scantable.save : ASAP |
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[1422] | 171 | |
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[737] | 172 | # auto averaging on read |
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| 173 | scantable.autoaverage : True |
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[255] | 174 | |
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[737] | 175 | # default frequency frame to set when function |
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[1097] | 176 | # scantable.set_freqframe is called |
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[737] | 177 | scantable.freqframe : LSRK |
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[255] | 178 | |
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[737] | 179 | # Control the level of information printed by summary |
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| 180 | scantable.verbosesummary : False |
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[706] | 181 | |
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[737] | 182 | # Fitter |
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| 183 | """ |
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[706] | 184 | |
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[226] | 185 | def rc_params(): |
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| 186 | 'Return the default params updated from the values in the rc file' |
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[706] | 187 | |
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[513] | 188 | fname = _asap_fname() |
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[706] | 189 | |
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[226] | 190 | if fname is None or not os.path.exists(fname): |
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| 191 | message = 'could not find rc file; returning defaults' |
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| 192 | ret = dict([ (key, tup[0]) for key, tup in defaultParams.items()]) |
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| 193 | #print message |
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| 194 | return ret |
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[706] | 195 | |
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[226] | 196 | cnt = 0 |
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| 197 | for line in file(fname): |
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| 198 | cnt +=1 |
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| 199 | line = line.strip() |
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| 200 | if not len(line): continue |
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| 201 | if line.startswith('#'): continue |
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| 202 | tup = line.split(':',1) |
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| 203 | if len(tup) !=2: |
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| 204 | print ('Illegal line #%d\n\t%s\n\tin file "%s"' % (cnt, line, fname)) |
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| 205 | continue |
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[706] | 206 | |
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[226] | 207 | key, val = tup |
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| 208 | key = key.strip() |
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| 209 | if not defaultParams.has_key(key): |
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| 210 | print ('Bad key "%s" on line %d in %s' % (key, cnt, fname)) |
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| 211 | continue |
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[706] | 212 | |
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[226] | 213 | default, converter = defaultParams[key] |
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| 214 | |
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| 215 | ind = val.find('#') |
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| 216 | if ind>=0: val = val[:ind] # ignore trailing comments |
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| 217 | val = val.strip() |
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| 218 | try: cval = converter(val) # try to convert to proper type or raise |
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[1080] | 219 | except ValueError, msg: |
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[226] | 220 | print ('Bad val "%s" on line #%d\n\t"%s"\n\tin file "%s"\n\t%s' % (val, cnt, line, fname, msg)) |
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| 221 | continue |
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| 222 | else: |
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| 223 | # Alles Klar, update dict |
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| 224 | defaultParams[key][0] = cval |
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| 225 | |
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| 226 | # strip the conveter funcs and return |
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| 227 | ret = dict([ (key, tup[0]) for key, tup in defaultParams.items()]) |
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[466] | 228 | print ('loaded rc file %s'%fname) |
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[226] | 229 | |
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| 230 | return ret |
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| 231 | |
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| 232 | |
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| 233 | # this is the instance used by the asap classes |
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[706] | 234 | rcParams = rc_params() |
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[226] | 235 | |
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| 236 | rcParamsDefault = dict(rcParams.items()) # a copy |
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| 237 | |
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| 238 | def rc(group, **kwargs): |
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| 239 | """ |
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| 240 | Set the current rc params. Group is the grouping for the rc, eg |
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[379] | 241 | for scantable.save the group is 'scantable', for plotter.stacking, the |
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| 242 | group is 'plotter', and so on. kwargs is a list of attribute |
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[226] | 243 | name/value pairs, eg |
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| 244 | |
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[379] | 245 | rc('scantable', save='SDFITS') |
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[226] | 246 | |
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| 247 | sets the current rc params and is equivalent to |
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[706] | 248 | |
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[379] | 249 | rcParams['scantable.save'] = 'SDFITS' |
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[226] | 250 | |
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| 251 | Use rcdefaults to restore the default rc params after changes. |
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| 252 | """ |
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| 253 | |
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[379] | 254 | aliases = {} |
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[706] | 255 | |
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[226] | 256 | for k,v in kwargs.items(): |
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| 257 | name = aliases.get(k) or k |
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[1422] | 258 | if len(group): |
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| 259 | key = '%s.%s' % (group, name) |
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| 260 | else: |
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| 261 | key = name |
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[226] | 262 | if not rcParams.has_key(key): |
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| 263 | raise KeyError('Unrecognized key "%s" for group "%s" and name "%s"' % (key, group, name)) |
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[706] | 264 | |
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[226] | 265 | rcParams[key] = v |
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| 266 | |
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| 267 | |
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| 268 | def rcdefaults(): |
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| 269 | """ |
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| 270 | Restore the default rc params - the ones that were created at |
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| 271 | asap load time |
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| 272 | """ |
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| 273 | rcParams.update(rcParamsDefault) |
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| 274 | |
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[1295] | 275 | def _n_bools(n, val): |
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| 276 | return [ val for i in xrange(n) ] |
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[513] | 277 | |
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| 278 | def _is_sequence_or_number(param, ptype=int): |
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| 279 | if isinstance(param,tuple) or isinstance(param,list): |
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[928] | 280 | if len(param) == 0: return True # empty list |
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[513] | 281 | out = True |
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| 282 | for p in param: |
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| 283 | out &= isinstance(p,ptype) |
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| 284 | return out |
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| 285 | elif isinstance(param, ptype): |
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| 286 | return True |
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| 287 | return False |
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| 288 | |
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[928] | 289 | def _to_list(param, ptype=int): |
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| 290 | if isinstance(param, ptype): |
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| 291 | if ptype is str: return param.split() |
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| 292 | else: return [param] |
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| 293 | if _is_sequence_or_number(param, ptype): |
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| 294 | return param |
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| 295 | return None |
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[715] | 296 | |
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[944] | 297 | def unique(x): |
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[992] | 298 | """ |
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| 299 | Return the unique values in a list |
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| 300 | Parameters: |
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| 301 | x: the list to reduce |
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| 302 | Examples: |
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| 303 | x = [1,2,3,3,4] |
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| 304 | print unique(x) |
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| 305 | [1,2,3,4] |
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| 306 | """ |
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[944] | 307 | return dict([ (val, 1) for val in x]).keys() |
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| 308 | |
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[992] | 309 | def list_files(path=".",suffix="rpf"): |
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| 310 | """ |
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| 311 | Return a list files readable by asap, such as rpf, sdfits, mbf, asap |
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| 312 | Parameters: |
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| 313 | path: The directory to list (default '.') |
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| 314 | suffix: The file extension (default rpf) |
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| 315 | Example: |
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| 316 | files = list_files("data/","sdfits") |
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| 317 | print files |
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| 318 | ['data/2001-09-01_0332_P363.sdfits', |
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| 319 | 'data/2003-04-04_131152_t0002.sdfits', |
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| 320 | 'data/Sgr_86p262_best_SPC.sdfits'] |
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| 321 | """ |
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| 322 | if not os.path.isdir(path): |
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| 323 | return None |
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[1295] | 324 | valid = "rpf rpf.1 rpf.2 sdf sdfits mbf asap".split() |
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[992] | 325 | if not suffix in valid: |
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| 326 | return None |
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| 327 | files = [os.path.expanduser(os.path.expandvars(path+"/"+f)) for f in os.listdir(path)] |
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| 328 | return filter(lambda x: x.endswith(suffix),files) |
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| 329 | |
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[715] | 330 | # workaround for ipython, which redirects this if banner=0 in ipythonrc |
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| 331 | sys.stdout = sys.__stdout__ |
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| 332 | sys.stderr = sys.__stderr__ |
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| 333 | |
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| 334 | # Logging |
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| 335 | from asap._asap import Log as _asaplog |
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| 336 | global asaplog |
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[710] | 337 | asaplog=_asaplog() |
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[715] | 338 | if rcParams['verbose']: |
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| 339 | asaplog.enable() |
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| 340 | else: |
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| 341 | asaplog.disable() |
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| 342 | |
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| 343 | def print_log(): |
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| 344 | log = asaplog.pop() |
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| 345 | if len(log) and rcParams['verbose']: print log |
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| 346 | return |
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| 347 | |
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[1295] | 348 | def mask_and(a, b): |
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| 349 | assert(len(a)==len(b)) |
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| 350 | return [ a[i] & b[i] for i in xrange(len(a)) ] |
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[1134] | 351 | |
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[1295] | 352 | def mask_or(a, b): |
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| 353 | assert(len(a)==len(b)) |
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| 354 | return [ a[i] | b[i] for i in xrange(len(a)) ] |
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| 355 | |
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| 356 | def mask_not(a): |
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| 357 | return [ not i for i in a ] |
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| 358 | |
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[1117] | 359 | from asapfitter import fitter |
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[895] | 360 | from asapreader import reader |
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[944] | 361 | from selector import selector |
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[710] | 362 | |
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[100] | 363 | from asapmath import * |
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[1080] | 364 | from scantable import scantable |
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[1097] | 365 | from asaplinefind import linefinder |
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[1134] | 366 | from linecatalog import linecatalog |
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[285] | 367 | |
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[928] | 368 | if rcParams['useplotter']: |
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[1295] | 369 | try: |
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[1423] | 370 | from asapplotter import asapplotter |
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| 371 | gui = os.environ.has_key('DISPLAY') and rcParams['plotter.gui'] |
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| 372 | if gui: |
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[1422] | 373 | import matplotlib |
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| 374 | matplotlib.use("TkAgg") |
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[1423] | 375 | import pylab |
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[1422] | 376 | xyplotter = pylab |
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[1423] | 377 | plotter = asapplotter(gui) |
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| 378 | del gui |
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[1295] | 379 | except ImportError: |
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[1423] | 380 | print "Matplotlib not installed. No plotting available" |
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[285] | 381 | |
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[574] | 382 | __date__ = '$Date: 2009-01-15 01:16:08 +0000 (Thu, 15 Jan 2009) $'.split()[1] |
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[1371] | 383 | __version__ = 'trunk' |
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[100] | 384 | |
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[1193] | 385 | def is_ipython(): |
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[1259] | 386 | return '__IP' in dir(sys.modules["__main__"]) |
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[1193] | 387 | if is_ipython(): |
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[1014] | 388 | def version(): print "ASAP %s(%s)"% (__version__, __date__) |
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[1422] | 389 | |
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[706] | 390 | def list_scans(t = scantable): |
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[1295] | 391 | import types |
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[706] | 392 | globs = sys.modules['__main__'].__dict__.iteritems() |
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| 393 | print "The user created scantables are:" |
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| 394 | sts = map(lambda x: x[0], filter(lambda x: isinstance(x[1], t), globs)) |
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| 395 | print filter(lambda x: not x.startswith('_'), sts) |
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| 396 | return |
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[100] | 397 | |
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[715] | 398 | def commands(): |
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| 399 | x = """ |
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[113] | 400 | [The scan container] |
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| 401 | scantable - a container for integrations/scans |
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[182] | 402 | (can open asap/rpfits/sdfits and ms files) |
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[113] | 403 | copy - returns a copy of a scan |
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| 404 | get_scan - gets a specific scan out of a scantable |
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[984] | 405 | (by name or number) |
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[1093] | 406 | drop_scan - drops a specific scan out of a scantable |
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| 407 | (by number) |
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[984] | 408 | set_selection - set a new subselection of the data |
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| 409 | get_selection - get the current selection object |
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[113] | 410 | summary - print info about the scantable contents |
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[182] | 411 | stats - get specified statistic of the spectra in |
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| 412 | the scantable |
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| 413 | stddev - get the standard deviation of the spectra |
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| 414 | in the scantable |
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[113] | 415 | get_tsys - get the TSys |
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| 416 | get_time - get the timestamps of the integrations |
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[1351] | 417 | get_inttime - get the integration time |
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[733] | 418 | get_sourcename - get the source names of the scans |
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[794] | 419 | get_azimuth - get the azimuth of the scans |
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| 420 | get_elevation - get the elevation of the scans |
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| 421 | get_parangle - get the parallactic angle of the scans |
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[876] | 422 | get_unit - get the current unit |
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[513] | 423 | set_unit - set the abcissa unit to be used from this |
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| 424 | point on |
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[255] | 425 | get_abcissa - get the abcissa values and name for a given |
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| 426 | row (time) |
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[1259] | 427 | get_column_names - get the names of the columns in the scantable |
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| 428 | for use with selector.set_query |
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[113] | 429 | set_freqframe - set the frame info for the Spectral Axis |
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| 430 | (e.g. 'LSRK') |
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[276] | 431 | set_doppler - set the doppler to be used from this point on |
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[984] | 432 | set_dirframe - set the frame for the direction on the sky |
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[240] | 433 | set_instrument - set the instrument name |
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[1190] | 434 | set_feedtype - set the feed type |
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[255] | 435 | get_fluxunit - get the brightness flux unit |
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[240] | 436 | set_fluxunit - set the brightness flux unit |
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[188] | 437 | create_mask - return an mask in the current unit |
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| 438 | for the given region. The specified regions |
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| 439 | are NOT masked |
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[255] | 440 | get_restfreqs - get the current list of rest frequencies |
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| 441 | set_restfreqs - set a list of rest frequencies |
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[1471] | 442 | shift_refpix - shift the reference pixel of the IFs |
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| 443 | set_spectrum - overwrite the spectrum for a given row |
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| 444 | get_spectrum - retrieve the spectrum for a given |
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| 445 | get_mask - retrieve the mask for a given |
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[1012] | 446 | flag - flag selected channels in the data |
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[1192] | 447 | lag_flag - flag specified frequency in the data |
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[1151] | 448 | save - save the scantable to disk as either 'ASAP', |
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| 449 | 'SDFITS' or 'ASCII' |
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[486] | 450 | nbeam,nif,nchan,npol - the number of beams/IFs/Pols/Chans |
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[733] | 451 | nscan - the number of scans in the scantable |
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[1422] | 452 | nrow - the number of spectra in the scantable |
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[486] | 453 | history - print the history of the scantable |
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[530] | 454 | get_fit - get a fit which has been stored witnh the data |
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[706] | 455 | average_time - return the (weighted) time average of a scan |
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[513] | 456 | or a list of scans |
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| 457 | average_pol - average the polarisations together. |
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[1144] | 458 | average_beam - average the beams together. |
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[992] | 459 | convert_pol - convert to a different polarisation type |
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[690] | 460 | auto_quotient - return the on/off quotient with |
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[1069] | 461 | automatic detection of the on/off scans (closest |
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| 462 | in time off is selected) |
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[1144] | 463 | mx_quotient - Form a quotient using MX data (off beams) |
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[1014] | 464 | scale, *, / - return a scan scaled by a given factor |
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| 465 | add, +, - - return a scan with given value added |
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[513] | 466 | bin - return a scan with binned channels |
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| 467 | resample - return a scan with resampled channels |
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| 468 | smooth - return the spectrally smoothed scan |
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| 469 | poly_baseline - fit a polynomial baseline to all Beams/IFs/Pols |
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[706] | 470 | auto_poly_baseline - automatically fit a polynomial baseline |
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[780] | 471 | recalc_azel - recalculate azimuth and elevation based on |
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| 472 | the pointing |
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[513] | 473 | gain_el - apply gain-elevation correction |
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| 474 | opacity - apply opacity correction |
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| 475 | convert_flux - convert to and from Jy and Kelvin brightness |
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[255] | 476 | units |
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[513] | 477 | freq_align - align spectra in frequency frame |
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[1014] | 478 | invert_phase - Invert the phase of the cross-correlation |
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[1351] | 479 | swap_linears - Swap XX and YY (or RR LL) |
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[513] | 480 | rotate_xyphase - rotate XY phase of cross correlation |
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| 481 | rotate_linpolphase - rotate the phase of the complex |
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| 482 | polarization O=Q+iU correlation |
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[733] | 483 | freq_switch - perform frequency switching on the data |
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| 484 | stats - Determine the specified statistic, e.g. 'min' |
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| 485 | 'max', 'rms' etc. |
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| 486 | stddev - Determine the standard deviation of the current |
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| 487 | beam/if/pol |
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[1014] | 488 | [Selection] |
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| 489 | selector - a selection object to set a subset of a scantable |
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| 490 | set_scans - set (a list of) scans by index |
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| 491 | set_cycles - set (a list of) cycles by index |
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| 492 | set_beams - set (a list of) beamss by index |
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| 493 | set_ifs - set (a list of) ifs by index |
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| 494 | set_polarisations - set (a list of) polarisations by name |
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| 495 | or by index |
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| 496 | set_names - set a selection by name (wildcards allowed) |
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| 497 | set_tsys - set a selection by tsys thresholds |
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[1259] | 498 | set_query - set a selection by SQL-like query, e.g. BEAMNO==1 |
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[1351] | 499 | ( also get_ functions for all these ) |
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[1014] | 500 | reset - unset all selections |
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[1351] | 501 | + - merge two selections |
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[733] | 502 | |
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[513] | 503 | [Math] Mainly functions which operate on more than one scantable |
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[100] | 504 | |
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[706] | 505 | average_time - return the (weighted) time average |
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[513] | 506 | of a list of scans |
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| 507 | quotient - return the on/off quotient |
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| 508 | simple_math - simple mathematical operations on two scantables, |
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| 509 | 'add', 'sub', 'mul', 'div' |
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[1069] | 510 | quotient - build quotient of the given on and off scans |
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[1351] | 511 | (matched pairs and 1 off - n on are valid) |
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[1117] | 512 | merge - merge a list of scantables |
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[1069] | 513 | |
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[1151] | 514 | [Line Catalog] |
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| 515 | linecatalog - a linecatalog wrapper, taking an ASCII or |
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| 516 | internal format table |
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| 517 | summary - print a summary of the current selection |
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| 518 | set_name - select a subset by name pattern, e.g. '*OH*' |
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| 519 | set_strength_limits - select a subset by line strength limits |
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| 520 | set_frequency_limits - select a subset by frequency limits |
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| 521 | reset - unset all selections |
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| 522 | save - save the current subset to a table (internal |
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| 523 | format) |
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| 524 | get_row - get the name and frequency from a specific |
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| 525 | row in the table |
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[513] | 526 | [Fitting] |
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[113] | 527 | fitter |
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| 528 | auto_fit - return a scan where the function is |
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| 529 | applied to all Beams/IFs/Pols. |
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| 530 | commit - return a new scan where the fits have been |
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| 531 | commited. |
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| 532 | fit - execute the actual fitting process |
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[984] | 533 | store_fit - store the fit parameters in the data (scantable) |
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[113] | 534 | get_chi2 - get the Chi^2 |
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| 535 | set_scan - set the scantable to be fit |
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| 536 | set_function - set the fitting function |
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| 537 | set_parameters - set the parameters for the function(s), and |
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| 538 | set if they should be held fixed during fitting |
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[513] | 539 | set_gauss_parameters - same as above but specialised for individual |
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| 540 | gaussian components |
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[113] | 541 | get_parameters - get the fitted parameters |
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[513] | 542 | plot - plot the resulting fit and/or components and |
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| 543 | residual |
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[210] | 544 | [Plotter] |
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| 545 | asapplotter - a plotter for asap, default plotter is |
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| 546 | called 'plotter' |
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[984] | 547 | plot - plot a scantable |
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[1151] | 548 | plot_lines - plot a linecatalog overlay |
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[378] | 549 | save - save the plot to a file ('png' ,'ps' or 'eps') |
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[210] | 550 | set_mode - set the state of the plotter, i.e. |
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| 551 | what is to be plotted 'colour stacked' |
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| 552 | and what 'panelled' |
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[984] | 553 | set_selection - only plot a selected part of the data |
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[733] | 554 | set_range - set a 'zoom' window [xmin,xmax,ymin,ymax] |
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[255] | 555 | set_legend - specify user labels for the legend indeces |
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| 556 | set_title - specify user labels for the panel indeces |
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[733] | 557 | set_abcissa - specify a user label for the abcissa |
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[255] | 558 | set_ordinate - specify a user label for the ordinate |
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[378] | 559 | set_layout - specify the multi-panel layout (rows,cols) |
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[733] | 560 | set_colors - specify a set of colours to use |
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| 561 | set_linestyles - specify a set of linestyles to use if only |
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| 562 | using one color |
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[1151] | 563 | set_font - set general font properties, e.g. 'family' |
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[1054] | 564 | set_histogram - plot in historam style |
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[733] | 565 | set_mask - set a plotting mask for a specific polarization |
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[1171] | 566 | text - draw text annotations either in data or relative |
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| 567 | coordinates |
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| 568 | arrow - draw arrow annotations either in data or relative |
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| 569 | coordinates |
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| 570 | axhline,axvline - draw horizontal/vertical lines |
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| 571 | axhspan,axvspan - draw horizontal/vertical regions |
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[1175] | 572 | |
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| 573 | xyplotter - matplotlib/pylab plotting functions |
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| 574 | |
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[182] | 575 | [Reading files] |
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| 576 | reader - access rpfits/sdfits files |
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[984] | 577 | open - attach reader to a file |
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| 578 | close - detach reader from file |
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[182] | 579 | read - read in integrations |
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| 580 | summary - list info about all integrations |
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| 581 | |
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[113] | 582 | [General] |
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| 583 | commands - this command |
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| 584 | print - print details about a variable |
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| 585 | list_scans - list all scantables created bt the user |
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[992] | 586 | list_files - list all files readable by asap (default rpf) |
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[113] | 587 | del - delete the given variable from memory |
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| 588 | range - create a list of values, e.g. |
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| 589 | range(3) = [0,1,2], range(2,5) = [2,3,4] |
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| 590 | help - print help for one of the listed functions |
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| 591 | execfile - execute an asap script, e.g. execfile('myscript') |
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[255] | 592 | list_rcparameters - print out a list of possible values to be |
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[274] | 593 | put into $HOME/.asaprc |
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[1171] | 594 | rc - set rc parameters from within asap |
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[466] | 595 | mask_and,mask_or, |
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| 596 | mask_not - boolean operations on masks created with |
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| 597 | scantable.create_mask |
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[706] | 598 | |
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[210] | 599 | Note: |
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| 600 | How to use this with help: |
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| 601 | # function 'summary' |
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| 602 | [xxx] is just a category |
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| 603 | Every 'sub-level' in this list should be replaces by a '.' Period when |
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[706] | 604 | using help |
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[210] | 605 | Example: |
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| 606 | ASAP> help scantable # to get info on ths scantable |
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| 607 | ASAP> help scantable.summary # to get help on the scantable's |
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| 608 | ASAP> help average_time |
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| 609 | |
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[715] | 610 | """ |
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[1151] | 611 | if rcParams['verbose']: |
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| 612 | try: |
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| 613 | from IPython.genutils import page as pager |
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| 614 | except ImportError: |
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| 615 | from pydoc import pager |
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| 616 | pager(x) |
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| 617 | else: |
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| 618 | print x |
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[715] | 619 | return |
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[113] | 620 | |
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[706] | 621 | def welcome(): |
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| 622 | return """Welcome to ASAP v%s (%s) - the ATNF Spectral Analysis Package |
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[100] | 623 | |
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[1035] | 624 | Please report any bugs via: |
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[1378] | 625 | http://svn.atnf.csiro.au/trac/asap/simpleticket |
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[100] | 626 | |
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[378] | 627 | [IMPORTANT: ASAP is 0-based] |
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[706] | 628 | Type commands() to get a list of all available ASAP commands.""" % (__version__, __date__) |
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