Leginon

Instrumentscfg for 22 » History » Revision 9

Revision 8 (Anchi Cheng, 09/18/2013 03:42 PM) → Revision 9/17 (Anchi Cheng, 10/31/2013 09:18 PM)

*cs is the coefficient of spherical aberration in meters*.    Find out from TEM manufacture the proper value for your tem. 

 *zplane is a number that gives the order of camera*.    If a camera with low zplane value is going to acquire an image, Leginon will attempt to retract all cameras at higher zplane values. 

 !zplane.png! 

 * One computer for both tem and digital camera: 
 <pre> 
 [tem] 
 class: tecnai.Tecnai 
 cs: 2.0e-3 
 [camera] 
 class: gatan.Gatan 
 zplane: 50 
 height: 4096 
 width: 4096 
 </pre> 

 * Separate computers for the two instruments:    configure only the instrument reside on the particular computer 
 ** On the computer that controls the tem: 
 <pre> 
 [tem] 
 class: tecnai.Tecnai 
 cs: 2.0e-3 
 </pre> 
 ** On the computer that controls the digital camera: 
 <pre> 
 [camera] 
 class: gatan.Gatan 
 zplane: 50 
 height: 4096 
 width: 4096 
 </pre> 

 * Two cameras that retract/insert at the same time, typically one of them is an off-axis camera, such as in the case of DE12 and DE Survey camera pair. 
 ** On the computer that controls the digital camera: 
 <pre> 
 [camera1] 
 class: de.DE12 
 zplane: 50 
 height: 3072 
 width: 4096 
 [camera2] 
 class: de.DESurvey 
 zplane: 50 
 height: 2048 
 width: 2048 
 </pre> 

 * Two cameras on the same computer    but one is retractable and one is non-retractable and at lower position. 
 ** On the computer that controls the digital camera: 
 <pre> 
 [camera1] 
 class: de.DE12 
 zplane: 50 
 height: 3072 
 width: 4096 

 [camera2] 
 class: tietz.TietzPXL 
 zplane: 5 
 height: 4096 
 width: 4096 
 </pre> 

 * Gatan Orius camera that is installed typically with Gatan K2/Falcon camera is technically on the same plane but is not capable of insertion unless K2 is retracted.    On the other hand, K2 camera insertion includes a retraction of Orius at lower level of the function call in DM.    Therefore, Orius is considered as a camera at lower zplane. 
 <pre> 
 [camera1] 
 class: dmsem.GatanK2Base 
 zplane: 50 
 height: 3838 
 width: 3710 

 [camera2] 
 class: dmsem.GatanOrius 
 zplane: 49 
 height: 2048 
 width: 2048 
 </pre>