Simulation doesn't fully fill the Gazebo window

asked 2019-12-04 07:40:53 -0600

Matthias Mayr
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When launching Gazebo the simulation view doesn't fully fill the Gazebo window. I get borders that are either black or filled old previously rendered material (e.g. background image of that screen).

Gazebo doesn't give me any useful feedback on this when being started in --verbose mode.

Here's a screenshot: image description

I can use the border to scroll and move the content of the "simulation view", but it never shows anything there. The size of the border seems to be some ratio of the whole window, so if I resize it I get the same proportions of used and unused windows space.

This is with:

(K)Ubuntu 18.04
X-Server 1.20.4
Nvidia driver 430.50
Kernel 5.0.0-36
Gazebo 9.0.0+dfsg5-3ubuntu1+ppa2

Also the buttons of the visualization part are very low resolution and so is the Gazebo startup display. All the rest of the window is fine though.

Any ideas for solution or debugging steps?

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Have you solved this problem?

bionade24 ( 2020-03-08 10:42:04 -0600 )edit

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answered 2021-05-21 03:32:30 -0600

Matthias Mayr
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I am going to cross-post the solution from https://github.com/osrf/gazebo/issues...: I added two script files:

/usr/local/bin/gazebo

   #!/bin/bash                                                                                                                                                                                                                                                                                                                                                                                                                                               
   /usr/bin/env QT_AUTO_SCREEN_SCALE_FACTOR=0 QT_SCREEN_SCALE_FACTORS=[1.0] /usr/bin/gazebo $@

/usr/local/bin/gzclient

   #!/bin/bash                                                                                                                                                                                                                                                                                                                                                                                                                                               
   /usr/bin/env QT_AUTO_SCREEN_SCALE_FACTOR=0 QT_SCREEN_SCALE_FACTORS=[1.0] /usr/bin/gzclient $@

They would probably need to be executable. That allows to use this modification without messing with the package management.

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answered 2020-03-14 11:30:55 -0600

bionade24
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Gazebo can't handle scaling which is automatically done by the proprietairy nvidia driver when having > 1920.1080 pixel. You have to disable display scaling. Maybe this can help you to let gazebo work scaled without errors, too: https://github.com/kaueraal/run_scaled
Issue is tracked here: https://bitbucket.org/osrf/gazebo/iss...

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Thanks for the reply. For some reason I did not get a notification about it. The issue has been moved here: https://github.com/osrf/gazebo/issues...

Matthias Mayr ( 2020-07-19 11:20:10 -0600 )edit

I tried run_scaled and it indeed removes the borders, but it also renders the fonts so big that e.g. the time in the status bar can not be read anymore.

Matthias Mayr ( 2020-07-19 11:34:53 -0600 )edit

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Simulation doesn't fully fill the Gazebo window

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