I added a magnifying glass feature to the Fitsviewer, and to the various image windows (guide, focus, align) that use that code.
It is available in the latest source code and latest Ubuntu nightly. 

 

It's currently fixed at a 8X magnification (compared to the currently displayed image's zoom.

It's activated by mousing over an image and pressing the control key--no need to click the mouse button. 
Depressing control enables it, releasing control disables it. However, you may need to slightly move the mouse
to get it to react to pressing/releasing the control key. You can keep the control key pressed and move the mouse
around and thereby exploring with the magnifier.

There are no other controls yet, so it wouldn't be usable, e.g. on a table/phone.
Pressing the mouse and panning would have been an alternative way to activate this, that would be compatible with a table,
but it's currently used to move the image, e.g. if you have scroll bars (if the display space is smaller than the space the image
would fully occupy). How would you feel about switching that functionality to the magnifier?

We're still discussing the user interface, and of course input is welcome.
Hy
 

Hello Hy,

Good feature, thanks a lot, I thought G as Glass + clic Mouse..or M as Magnifying ...

Great feature!
Do you think you could implement a full screen mode for fits viewer? I’m streaming the fits viewer through Apple TV to my tv for eaa and would like to get rid of these bars on top.

Hi Hy, everyone

Great upgrade. Love it.

Cheers and clear skies,
Steve

Just did a git pull (05/26/21) of all three repos. Did a clean, build,install on my Rpi4 ARM32 Astroberry.

I'm not seeing the magnifier at all in fits viewer. Anything I need to turn on? (I did look in all the options).

Thanks

Jack,

To make sure you have the right source, 
check kstars/fitsviewer/fitsview.cpp line 1015, and it should look like this:
invent.kde.org/education/kstars/-/blob/m...r/fitsview.cpp#L1015
Make sure you are executing the binary you built, not the release binary.
E.g. the kstars binary you're running should have a date (e.g. from ls -l) around the time you compiled.

There are no settings, 
Display some image on your fitsviewer, move your mouse over a star in the fitsviewer  (no mouse buttons pressed),
press and hold the control key, and slightly move the mouse (if you don't see it right away) and you should see it.

Hy

Got it, executing wrong build.

Thanks,
Jack

This is an excellent feature - thank you!