Re: WCS and other information not being displayed in Pop_OS!

Posted by johnk on Jul 02, 2020; 2:52pm
URL: http://astroimagej.170.s1.nabble.com/WCS-and-other-information-not-being-displayed-in-Pop-OS-tp1382p1390.html

That's really helpful to know that it works with xfce -- my reliable favorite.  OpenJDK should be fine. I confirmed that AIJ with the most recent updates works with the latest openJDK version 13, and I've used versions 8 and 11 as well.  I'd stay with that.  Let me also confirm that there are no similar issues with Gnome and its window manager and that will isolate the problem to how the customizations and Java are handling the cursor interrupts.

The WCS window stays empty, does not update when you move the cursor over the image?

On Thu, Jul 2, 2020 at 10:17 AM cduston [via AstroImageJ] <[hidden email]> wrote:

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Thanks for the help here.

I can confirm that running XFCE on Pop_OS! fixes this problem. So, whatever the issue, it seems related to whatever customizations are happening in GNOME.

I run AIJ with the default script, which looks like the following:

$ which astroimagej
/usr/local/bin/astroimagej
$ more /usr/local/bin/astroimagej
#!/bin/sh
cd /usr/local/AstroImageJ/
java -Xmx8192m -jar /usr/local/AstroImageJ/ij.jar
exit
$ which java
/usr/bin/java
$ java --version
openjdk 11.0.7 2020-04-14
OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1)
OpenJDK 64-Bit Server VM (build 11.0.7+10-post-Ubuntu-3ubuntu1, mixed mode, sharing)

I can try oracle java maybe? I don't strongly object to using XFCE (I actually really like XFCE generally), but I was hoping to get some vanilla Pop_OS! experience, given the approach taken by the creators.

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