| 1 | import sys, time |
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| 2 | from calcthread import CalcThread |
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| 3 | |
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| 4 | class CalcPr(CalcThread): |
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| 5 | """ |
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| 6 | Compute 2D model |
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| 7 | This calculation assumes a 2-fold symmetry of the model |
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| 8 | where points are computed for one half of the detector |
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| 9 | and I(qx, qy) = I(-qx, -qy) is assumed. |
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| 10 | """ |
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| 11 | |
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| 12 | def __init__(self, pr, nfunc=5, error_func=None, |
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| 13 | completefn = None, |
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| 14 | updatefn = None, |
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| 15 | yieldtime = 0.01, |
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| 16 | worktime = 0.01 |
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| 17 | ): |
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| 18 | CalcThread.__init__(self,completefn, |
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| 19 | updatefn, |
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| 20 | yieldtime, |
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| 21 | worktime) |
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| 22 | self.pr = pr |
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| 23 | self.nfunc = nfunc |
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| 24 | self.error_func = error_func |
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| 25 | self.starttime = 0 |
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| 26 | |
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| 27 | def compute(self): |
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| 28 | """ |
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| 29 | Perform P(r) inversion |
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| 30 | """ |
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| 31 | try: |
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| 32 | self.starttime = time.time() |
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| 33 | out, cov = self.pr.invert(self.nfunc) |
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| 34 | #out, cov = self.pr.lstsq(self.nfunc) |
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| 35 | #out, cov = self.pr.invert_optimize(self.nfunc) |
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| 36 | elapsed = time.time()-self.starttime |
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| 37 | self.complete(out=out, cov=cov, pr=self.pr, elapsed=elapsed) |
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| 38 | except KeyboardInterrupt: |
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| 39 | # Thread was interrupted, just proceed |
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| 40 | pass |
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| 41 | except: |
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| 42 | if not self.error_func==None: |
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| 43 | self.error_func("CalcPr.compute: %s" % sys.exc_value) |
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| 44 | |
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| 45 | class EstimatePr(CalcThread): |
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| 46 | """ |
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| 47 | Compute 2D model |
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| 48 | This calculation assumes a 2-fold symmetry of the model |
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| 49 | where points are computed for one half of the detector |
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| 50 | and I(qx, qy) = I(-qx, -qy) is assumed. |
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| 51 | """ |
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| 52 | |
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| 53 | def __init__(self, pr, nfunc=5, error_func=None, |
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| 54 | completefn = None, |
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| 55 | updatefn = None, |
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| 56 | yieldtime = 0.01, |
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| 57 | worktime = 0.01 |
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| 58 | ): |
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| 59 | CalcThread.__init__(self,completefn, |
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| 60 | updatefn, |
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| 61 | yieldtime, |
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| 62 | worktime) |
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| 63 | self.pr = pr |
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| 64 | self.nfunc = nfunc |
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| 65 | self.error_func = error_func |
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| 66 | self.starttime = 0 |
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| 67 | |
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| 68 | def compute(self): |
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| 69 | """ |
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| 70 | Calculates the estimate |
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| 71 | """ |
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| 72 | try: |
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| 73 | alpha, message, elapsed = self.pr.estimate_alpha(self.nfunc) |
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| 74 | self.isquit() |
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| 75 | self.complete(alpha=alpha, message=message, elapsed=elapsed) |
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| 76 | except KeyboardInterrupt: |
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| 77 | # Thread was interrupted, just proceed |
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| 78 | pass |
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| 79 | except: |
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| 80 | if not self.error_func==None: |
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| 81 | self.error_func("EstimatePr.compute: %s" % sys.exc_value) |
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| 82 | |
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| 83 | class EstimateNT(CalcThread): |
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| 84 | |
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| 85 | def __init__(self, pr, nfunc=5, error_func=None, |
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| 86 | completefn = None, |
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| 87 | updatefn = None, |
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| 88 | yieldtime = 0.01, |
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| 89 | worktime = 0.01 |
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| 90 | ): |
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| 91 | CalcThread.__init__(self,completefn, |
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| 92 | updatefn, |
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| 93 | yieldtime, |
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| 94 | worktime) |
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| 95 | self.pr = pr |
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| 96 | self.nfunc = nfunc |
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| 97 | self.error_func = error_func |
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| 98 | self.starttime = 0 |
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| 99 | self._time_for_sleep = 0 |
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| 100 | self._sleep_delay = 1.0 |
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| 101 | |
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| 102 | |
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| 103 | def isquit(self): |
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| 104 | CalcThread.isquit(self) |
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| 105 | if time.time()>self._time_for_sleep+self._sleep_delay: |
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| 106 | time.sleep(.2) |
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| 107 | self._time_for_sleep = time.time() |
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| 108 | |
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| 109 | def compute(self): |
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| 110 | """ |
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| 111 | Calculates the estimate |
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| 112 | """ |
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| 113 | try: |
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| 114 | t_0 = time.time() |
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| 115 | self._time_for_sleep = t_0 |
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| 116 | nterms, alpha, message = self.pr.estimate_numterms(self.isquit) |
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| 117 | t_1 = time.time()-t_0 |
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| 118 | self.isquit() |
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| 119 | self.complete(nterms=nterms, alpha=alpha, message=message, elapsed=t_1) |
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| 120 | except KeyboardInterrupt: |
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| 121 | # Thread was interrupted, just proceed |
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| 122 | pass |
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| 123 | except: |
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| 124 | if not self.error_func==None: |
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| 125 | self.error_func("EstimatePr2.compute: %s" % sys.exc_value) |
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| 126 | |
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| 127 | |
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