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Bug #4391
closedphase correlator invalid value encountered in divid
Start date:
08/17/2016
Due date:
% Done:
0%
Estimated time:
Affected Version:
Appion/Leginon 3.2
Show in known bugs:
No
Workaround:
Description
Happened some times, maybe because there was nothing to correlate or the two images are both zeros
/Users/acheng/myami/pyami/correlator.py:137: RuntimeWarning: invalid value encountered in divide
pcfft = ccfft / d
Exception in thread Thread-14:
Traceback (most recent call last):
File "/Users/acheng/miniconda/lib/python2.7/threading.py", line 810, in __bootstrap_inner
self.run()
File "/Users/acheng/miniconda/lib/python2.7/threading.py", line 763, in run
self.__target(*self.__args, **self.__kwargs)
File "/Users/acheng/myami/leginon/driftmanager.py", line 107, in monitorDrift
status,final,im = self.acquireLoop(target, threshold=threshold)
File "/Users/acheng/myami/leginon/driftmanager.py", line 212, in acquireLoop
peak = self.peakfinder.subpixelPeak(newimage=pc)
File "/Users/acheng/myami/pyami/peakfinder.py", line 171, in subpixelPeak
roipeak = self.quadFitPeak(roi)
File "/Users/acheng/myami/pyami/peakfinder.py", line 147, in quadFitPeak
raise FindPeakError('peak least squares fit has bad coefficient')
FindPeakError: peak least squares fit has bad coefficient
Updated by Anchi Cheng over 8 years ago
- Status changed from Assigned to In Test
- Priority changed from Normal to Low
- Target version set to Appion/Leginon 3.3
catch RunTimeWarning, converting them to exception and then handled.
Updated by Anchi Cheng almost 7 years ago
- Status changed from In Test to Closed
Have not seen error since.
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