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Installing PSFj

If you installed PSFj and it works, just go ahead. If it does not find Java or does find a compatible Java the following may be helpful.

PSFj reguires a Java runtime environment. Oracle changed the licensing of new Java versions as of 2019, so that they are not free to use in a university setting any more. Here is what worked for us under Windows 10:

  • From a Fiji-installation, copy(!) the subfolder java\win64\jdk1.8.0_66 to a new location.
  • From the PSFj folder, copy the 2 files PSF.jar and psfj and the lib folder to the new folders subfolder jdk1.8.0_66\jre\bin
  • Open a shell and cd to the bin subfolder. Enter the following command
  • ./java -jar "PSF.jar"

That should open the graphical user interface of PSFj. I am sure that there are more elegant solutions for this. If you find one, please let me know,