[974] | 1 | from _asap import fitentry |
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[1826] | 2 | from asap.parameters import rcParams |
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[529] | 3 | |
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[974] | 4 | class asapfit(fitentry): |
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[722] | 5 | |
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[974] | 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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[529] | 11 | |
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| 12 | def __str__(self): |
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| 13 | out = "" |
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[974] | 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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[529] | 34 | out += "\n" |
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[974] | 35 | out += "\n" |
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[529] | 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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[974] | 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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[1232] | 57 | k+=1 |
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[974] | 58 | out.append(comp) |
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[529] | 59 | return out |
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| 60 | |
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[1232] | 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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[529] | 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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[1232] | 85 | out += ' p%d = %3.6f %s,' % (i,p,unit) |
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[529] | 86 | i+=1 |
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| 87 | out = out[1:-1] |
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[722] | 88 | elif ftype == 'gauss': |
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[1232] | 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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[529] | 90 | return out |
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