- Timestamp:
- 07/28/06 15:12:20 (18 years ago)
- Location:
- trunk/python
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/python/__init__.py
r1080 r1093 356 356 get_scan - gets a specific scan out of a scantable 357 357 (by name or number) 358 drop_scan - drops a specific scan out of a scantable 359 (by number) 358 360 set_selection - set a new subselection of the data 359 361 get_selection - get the current selection object -
trunk/python/scantable.py
r1079 r1093 75 75 Image FITS or MS2 format. 76 76 Parameters: 77 name: the name of the outputfile. For format="FITS" this 78 is the directory file name into which all the files 79 will be written (default is 'asap_FITS'). For format 80 "ASCII" this is the root file name (data in 'name'.txt 77 name: the name of the outputfile. For format "ASCII" 78 this is the root file name (data in 'name'.txt 81 79 and header in 'name'_header.txt) 82 80 format: an optional file format. Default is ASAP. 83 81 Allowed are - 'ASAP' (save as ASAP [aips++] Table), 84 82 'SDFITS' (save as SDFITS file) 85 'FITS' (saves each row as a FITS Image)86 83 'ASCII' (saves as ascii text file) 87 84 'MS2' (saves as an aips++ … … 131 128 sd = scantable(Scantable._copy(self)) 132 129 return sd 130 131 def drop_scan(self, scanid=None): 132 """ 133 Return a new scantable where the specified scan number(s) has(have) 134 been dropped. 135 Parameters: 136 scanid: a (list of) scan number(s) 137 """ 138 from asap import _is_sequence_or_number as _is_valid 139 from asap import _to_list 140 from asap import unique 141 if not _is_valid(scanid): 142 if rcParams['verbose']: 143 print "Please specify a scanno to drop from the scantable" 144 return 145 else: 146 raise RuntimeError("No scan given") 147 try: 148 scanid = _to_list(scanid) 149 allscans = unique([ self.getscan(i) for i in range(self.nrow())]) 150 for sid in scanid: allscans.remove(sid) 151 if len(allscans) == 0: raise ValueError("Can't remove all scans") 152 except ValueError: 153 if rcParams['verbose']: 154 print "Couldn't find any match." 155 return 156 else: raise 157 try: 158 bsel = self.get_selection() 159 sel = selector() 160 sel.set_scans(allscans) 161 self.set_selection(bsel+sel) 162 scopy = self._copy() 163 self.set_selection(bsel) 164 return scantable(scopy) 165 except RuntimeError: 166 if rcParams['verbose']: print "Couldn't find any match." 167 else: raise 168 133 169 134 170 def get_scan(self, scanid=None):
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