1 | from _asap import fitentry |
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2 | from asap import rcParams |
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3 | |
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4 | class asapfit(fitentry): |
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5 | |
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6 | def __init__(self, other=None): |
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7 | if isinstance(other, fitentry): |
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8 | fitentry.__init__(self,other) |
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9 | else: |
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10 | fitentry.__init__(self) |
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11 | |
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12 | def __str__(self): |
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13 | out = "" |
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14 | out += "Fit:" |
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15 | pars = self.getparameters() |
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16 | mask = self.getfixedparameters() |
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17 | funcs = self.getfunctions() |
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18 | comps = self.getcomponents() |
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19 | finfo = self.getframeinfo() |
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20 | pos=0 |
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21 | k = 0 |
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22 | for f in funcs: |
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23 | out += "\n Type: " |
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24 | out += f |
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25 | s = pos |
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26 | pos += comps[k] |
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27 | ps = pars[s:pos] |
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28 | out += "\n Parameters: " |
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29 | out += self._format_pars(pars[s:pos],f, finfo[0]) |
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30 | out += "\n Fixed Parms: " |
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31 | out += str(mask[s:pos]) |
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32 | out += "\n Frame: " |
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33 | out += str(finfo) |
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34 | out += "\n" |
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35 | out += "\n" |
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36 | return out |
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37 | |
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38 | def as_dict(self): |
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39 | out = [] |
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40 | pars = self.getparameters() |
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41 | mask = self.getfixedparameters() |
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42 | funcs = self.getfunctions() |
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43 | comps = self.getcomponents() |
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44 | pos=0 |
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45 | k=0 |
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46 | comp = [] |
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47 | for f in funcs: |
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48 | s = pos |
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49 | pos += comps[k] |
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50 | ps = pars[s:pos] |
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51 | d = {'function' : f, |
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52 | 'parameters' : pars[s:pos], |
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53 | 'fixed' : mask[s:pos], |
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54 | 'frame' : self.getframeinfo() |
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55 | } |
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56 | comp.append(d) |
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57 | k+=1 |
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58 | out.append(comp) |
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59 | return out |
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60 | |
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61 | def save(self, filename): |
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62 | f = file(filename, 'w') |
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63 | parstr = "" |
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64 | for i in xrange(self.getcomponents()[0]): |
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65 | pname = "P%d"% (i) |
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66 | parstr += "%-12s " % (pname) |
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67 | header = "#%-12s %s\n" % ("Function", parstr) |
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68 | f.write(header) |
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69 | i = 0 |
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70 | funcs=self.getfunctions() |
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71 | pars=self.getparameters() |
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72 | for c in self.getcomponents(): |
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73 | line = " %-12s " % (funcs[i]) |
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74 | for j in xrange(c): |
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75 | line += "%3.8f " % (pars[i*c+j]) |
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76 | i+=1 |
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77 | f.write(line+"\n") |
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78 | f.close() |
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79 | |
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80 | def _format_pars(self, pars, ftype, unit): |
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81 | out = '' |
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82 | if ftype == 'poly': |
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83 | i = 0 |
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84 | for p in pars: |
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85 | out += ' p%d = %3.6f %s,' % (i,p,unit) |
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86 | i+=1 |
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87 | out = out[1:-1] |
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88 | elif ftype == 'gauss': |
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89 | out += 'peak = %3.6f , centre = %3.6f %s, FWHM = %3.6f %s' % (pars[0],pars[1],unit,pars[2],unit) |
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90 | return out |
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