How to get and change the values of the projector lens system?

百般思念 提交于 2019-12-11 10:14:25

问题


I am trying to write a Gatan DigitalMicrograph script to control the tilting of incident electron beam before and after a specimen. I think that the values of pre-specimen lens system can be got and changed by using commands such as EMGetBeamTilt, EMSetBeamTilt and EMChangeBeamTilt. However, I don't know how to get or control the status of the post-specimen lens system such as a projector lens. What command or code should be written in order to control the projector lens system?

It will be appreciated if you share some wisdom. Thank you very much in advance.


回答1:


Unfortunately, only a limited number of microscope hardware components can be accessed by DM-script via a generalized interface. The generalized commands communicate to the microscope via a software interface which is implemented by the microscope vendor, so that the exact behaviour of each command (i.e. which lenses are driven when a value is changed) lies completely within the control of the microscope software and not DM. Commands to access specific lenses or microscope-specific controls are most often not available.

All available commands, while they can be found in earlier versions often as well, are officially supported and documented since GMS 2.3. You will find the complete list of commands in the F1 help-documentation (on online-systems):



来源:https://stackoverflow.com/questions/35403855/how-to-get-and-change-the-values-of-the-projector-lens-system

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