Last change
on this file since 20 was
20,
checked in by mmarquar, 20 years ago
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A small test program for the asap package.
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Property svn:eol-style set to
native
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Property svn:keywords set to
Author Date Id Revision
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File size:
1.3 KB
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1 | #import atnf_sd module |
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2 | from atnf_sd import * |
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3 | # create a reader |
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4 | r = sdreader() |
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5 | # open an RPFITS file |
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6 | r.open('/u/mmarquar/zorro/singledish/data/2001-09-01_0332_P363.rpf') |
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7 | # create a vector with numbers [0..109] |
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8 | integrations = range(110) |
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9 | r.read(integrations) |
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10 | # get the data out of the reader |
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11 | scans = r.gettable() |
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12 | # close the reader |
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13 | r = None |
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14 | # print a short summary of the data |
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15 | scans.summary() |
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16 | # get the scan with the number '1' |
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17 | scan = scans.getscan(1) |
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18 | # get the scan with the number '1' |
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19 | ref = scans.getscan(2) |
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20 | # close the data table |
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21 | scans = None |
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22 | # open the math server |
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23 | m = sdmath() |
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24 | # average the "on" scan |
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25 | scanav = m.average(scan) |
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26 | # get rid of the original scan |
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27 | scan = None |
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28 | # print a summary of the scan |
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29 | scanav.summary() |
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30 | # average the "off" scan |
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31 | refav = m.average(ref) |
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32 | # get rid of the original scan |
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33 | ref = None |
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34 | # print a summary of the scan |
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35 | refav.summary() |
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36 | # form the quotione spectrum |
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37 | quot = m.quotient(scanav,refav) |
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38 | # set the cursor to polarisation 0 |
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39 | quot.setpol(0) |
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40 | # get the spectrum for polarisation 0 |
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41 | v0 = quot.getspectrum() |
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42 | #print the first ten channel |
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43 | print v0[0:10] |
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44 | # set the cursor to polarisation 0 |
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45 | quot.setpol(1) |
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46 | # get the spectrum for polarisation 0 |
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47 | v1 = quot.getspectrum() |
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48 | #print the first ten channel |
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49 | print v1[0:10] |
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50 | # write it to disk for further use |
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51 | quot.makepersistent('/tmp/myfirstquotient.tbl') |
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