Gatan on Windows-32¶

• This is only known to work for Gatan camera associate with FEI microscopes. For JEOL microscope, dmsem is used.

Extra Package and Installation¶

program/package	notes
TecnaiCCD.dll

Program	package web site	local copy of win32 installer
comtypes 0.6.2	http://sourceforge.net/projects/comtypes"	comtypes-0.6.2.win32.exe

Register TecnaiCCD.dll (It may have been registered already)¶

• From the command prompt, run the following commands. You may need to enter the full path of the dll:
  

  REGSVR32 TecnaiCCD.dll

instruments.cfg¶

[camera]
class: gatan.Gatan
zplane: 50
height: 4096
width: 4096

• height and width depends on your specific camera
  see instruments.cfg z plane configuration for more explanation.

Setup¶

• Set camera configuration to give the standard Leginon orientation.
• Set the shutter configuration in DM to protect the specimen when camera is not taking images

Testing with pyscope¶

In python command

form pyscope import gatan
g = gatani.Gatani()
g.setExposureTime(200)
g.getImage()

You should get a bunch of numbers in a numpy array.

Programs to open before Leginon Client: Digital Micrograph¶