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I am currently having issues with the font display when running GNURADIO Companion from a docker environment. I can get the GUI to show, but the font characters are displayed as wingdings, which I am unable to read.

Does anyone know how to solve this problem?

Thank you

Mark

mwk088
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  • This question was caused by a problem that can no longer be reproduced or a simple typographical error. While similar questions may be on-topic here, this one was resolved in a manner unlikely to help future readers. This can often be avoided by identifying and closely inspecting the shortest program necessary to reproduce the problem before posting. – Marcus Müller Apr 30 '18 at 21:21
  • This is a completely false statement. I actually found a hint USING Stackoverflow, because someone else posted a similar problem, with all the fonts they wanted were not available. I deduced the problems were similar, and figured out the issues. I posted this problem and answer to help anyone else who may have this problem. So back off. – mwk088 May 02 '18 at 13:21
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    No, I won't back off giving feedback. This is a programming q&a site based on giving feedback, so please stay polite. The close reason I posted does indeed not perfectly fit your problem, but I really think that "I thought I've installed xyz but it turns out I didn't" is in the same category as "I mistyped". – Marcus Müller May 02 '18 at 13:24
  • Thanks and have a wonderful day!!!!!!!!!!! – mwk088 May 08 '18 at 12:25

2 Answers2

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Update

I figured out that the base image simply didn't have the fonts installed, as I thought it did. I performed the actions below and now have a readable GNURADIO Companion.

yum install python-matplotlib fc-cache

mwk088
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Yes, the key is to install proper fonts. And, if/when you are using Debian, the fonts list can be found here.

apt install fonts-YOUR-CHOSEN-FONT-NAME
RayLuo
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