1 | from asap._asap import sdreader
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2 |
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3 | class reader(sdreader):
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4 | """
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5 | This class allows the user to import single dish files
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6 | (rpfits,sdfits,ms).
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7 | Available functions are:
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8 |
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9 | read(integrations)
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10 | summary CURRENTLY DISABLED
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11 |
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12 | Example:
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13 | r = reader('/tmp/P389.rpf')
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14 | scans r.read() # reads in the complete file into 'scans'
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15 | print scans # summarises the contents
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16 | del r # destroys the reader
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17 | """
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18 |
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19 | def __init__(self, filename):
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20 | """
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21 | Parameters:
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22 | filename: the name of an rpfits/sdfits/ms file on disk
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23 | Example:
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24 | r = reader('/tmp/2001-09-01_0332_P363.rpf')
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25 | """
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26 | sdreader.__init__(self, filename)
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27 |
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28 | def read(self,integrations=None):
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29 | """
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30 | Reads in an returns a specified sequence of integrations.
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31 | If no list is given all integrations a read in.
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32 | Parameters:
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33 | integrations: a 'range' of integration numbers, e.g.
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34 | range(100) or [0,1,2,3,4,10,11,100]
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35 | Example:
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36 | r.read([0,1,2,3,4]) # reads in the first 5 integatrions
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37 | # NOT scans
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38 | r.read(range(100)) # read in the first 100 integrations
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39 | """
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40 | from asap import scantable
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41 | if integrations is None:
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42 | integrations = [-1]
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43 | sdreader.read(self,integrations)
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44 | tbl = sdreader.getdata(self)
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45 | return scantable(tbl)
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46 |
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47 | def summary(self):
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48 | print "Disabled"
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49 | return
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50 | sdreader.reset(self)
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51 | sdreader.read([-1])
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52 | sdreader.reset(self)
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53 | tbl = sdreader.getdata(self)
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54 | print tbl.summary()
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