zero change in matrix calibration
Added by Yen-Chywan Liaw over 14 years ago
Hi,
I am doing calibration (1.6) now. I quickly go throw pixel size, reference. When I did matrix calibration. I got an error. The first shot is original position and second shot is after shift image. The image did shift. The feature is clear. I can not find anything wrong. But program complain there is no change (zero change) and stop. I add a lot of print inmatrixcalibrate.py and I do not know what's wrong. Here is the print for those parameters.
pixel size 2e-08
percent 0.25
delta 2.048e-05
CCD dimension 1024
binning 4
basevalue 0.0
States {u'image shift': {'x': 0.0}}, {u'image shift': {'x': 2.048e-05}}
row -651.101949975
col 704.278787105
total pix 959.136256862
actual1 0.0
actual2 0.0
change 0.0
Help!
Replies (2)
Re: zero change in matrix calibration - Added by Yen-Chywan Liaw over 14 years ago
Hi, Jim,
I guess Ihad the same problem clopze posted. After I delete the sim entries, the calibration works fine now.
Thanks
Re: zero change in matrix calibration - Added by Anchi Cheng over 14 years ago
Recent users also report similar problem only when calibrate beam shift matrix calibration. Here is a thread that answers the particular situation.
viewtopic.php?f=2&t=304&p=846&hilit=beam+shift#p849
Since this specific problem on beam shift reoccurred for most recent installations, we will work on something to accommodate the tecnai scripting bug at the next release.
Anchi