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Program doesn't show at all. #3708

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Klingonk opened this issue Apr 4, 2024 · 19 comments
Open

Program doesn't show at all. #3708

Klingonk opened this issue Apr 4, 2024 · 19 comments
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state: waiting feedback Waiting for user feedback
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OS: Windows

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@Klingonk
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Klingonk commented Apr 4, 2024

Expected Behaviour

After the splash screen, it should show sky maps.

Actual Behaviour

After the splash screen and info that everything is initializing, nothing shows up. System indicates that there is a window open but one cannot find it.

Steps to reproduce

Just call the program to open.

System

Logfile

If possible, attach the logfile log.txt from your user data directory. Look into the Guide for its location.
@Klingonk
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Klingonk commented Apr 4, 2024

Although, Stellarium 23.1 runs smoothly.

@alex-w
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alex-w commented Apr 5, 2024

Please attach log.txt file and try with --low-graphics option

@alex-w alex-w added this to Needs triage in OS: Windows via automation Apr 5, 2024
@alex-w
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alex-w commented Apr 5, 2024

Probably duplicate of #3701

@Klingonk
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Klingonk commented Apr 7, 2024 via email

@Klingonk
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Klingonk commented Apr 7, 2024 via email

@alex-w
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alex-w commented Apr 10, 2024

I see strange FBO behavior. @10110111 could you look in log?

@10110111
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could you look in log?

The OP hasn't attached it, or I'm just failing to find it.

@alex-w
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alex-w commented Apr 10, 2024

could you look in log?

The OP hasn't attached it, or I'm just failing to find it.

Expand #3708 (comment)

@10110111
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Do you mean this?

Creating scene FBO with size 2355.5x1279.25
Creating scene FBO with size 1919.75x1051.75
Creating scene FBO with size 1919.75x1039.5
Creating scene FBO with size 2380x1344
Creating scene FBO with size 2355.5x1279.25
Creating scene FBO with size 1919.75x1051.75
Creating scene FBO with size 1919.75x1039.5
Creating scene FBO with size 2380x1344

This just means the OP was resizing the window, which led to recreation of the FBO at the new sizes.

@alex-w
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alex-w commented Apr 10, 2024

See the report: OP didn’t see the main window, plus non-integer pixels… it’s weird

@10110111
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Well, non-integer pixels is just an artifact of our reporting. We can rule this out if the OP tries with 100% Hi-DPI scaling instead of the 175% shown in the log.

@gzotti gzotti added the state: waiting feedback Waiting for user feedback label May 11, 2024
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Hello @Klingonk!

We really need your feedback.

@Klingonk
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Well I downsized text to 125% (recommended by Win10) and it worked. Now it runs and shows OK. But, I still need to have big fonts inside windows to allow me to read it better. So I will need to change fonts size inside Windows every time I need to run Stellarium. That something to think about extra work. Thank you for your thoughts.

@Klingonk
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Klingonk commented May 11, 2024 via email

@10110111
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You can change font size in the Settings dialog (Settings→Tools). Don't forget to save the settings so that they apply on subsequent launches.

@gzotti
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gzotti commented May 12, 2024

I am afraid OP needs 175% in (rest of) Windows, which apparently causes unexpected trouble with Stellarium. This is why I think 4k screens everywhere starting with 8" phones and 13" laptops is so useless.

@10110111
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This is why I think 4k screens everywhere starting with 8" phones and 13" laptops is so useless.

The problem is just a consequence of the kludge that Qt (and other major GUI platforms, for that matter) implemented instead of more properly supporting the scaling. One of the workarounds is to set whatever global Windows scaling the OP needs, use QT_SCREEN_SCALE_FACTORS=1 environment variable for Stellarium and set the font to make it large enough in Stellarium Settings dialog.

@gzotti
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gzotti commented May 12, 2024

We have some further advice and links in the FAQ.

@Klingonk
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Klingonk commented May 13, 2024 via email

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