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Negative numbers in line graph #134

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kpcyrd opened this issue Jan 22, 2018 · 9 comments · May be fixed by #199
Open

Negative numbers in line graph #134

kpcyrd opened this issue Jan 22, 2018 · 9 comments · May be fixed by #199

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@kpcyrd
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kpcyrd commented Jan 22, 2018

Hey :)

I'm trying to build a line graph that can have negative numbers. After some troubleshooting I figured out that everything below 0 is cut off. I'm currently adding a 2nd number to everything to ensure the final number is positive as a workaround. This is somewhat quirky since I have to do some math while reading the graph.

Can a flag be introduced so the graph grows into negative numbers the same way it grows when increasing positive numbers?
@zlx362211854
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I have the same problem.

@make-github-pseudonymous-again
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Same for bar charts

@theBliz
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theBliz commented Jan 23, 2020

got the same issue. Did anyone find a solution? @kpcyrd

@kpcyrd
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kpcyrd commented Jan 24, 2020

@theBliz No. The numbers I had didn't go below -3000 so I've just added 3000 to every number and added an extra line in a different color that's always 3000 to indicate zero.

@theBliz
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theBliz commented Jan 24, 2020

Not really doable for my use case. Ended up writing a small chart page in Html

@comster comster linked a pull request Aug 30, 2020 that will close this issue
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@comster
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comster commented Aug 30, 2020

I just submit a PR that solved this for me.

@devamin
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devamin commented Nov 3, 2020

Hi any update on this

@comster
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comster commented Nov 3, 2020

@devamin It would be cool if my PR was merged in, but you can checkout my fork until then.

@yrammos
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yrammos commented Apr 5, 2021

In a similar vein, I need bar graphs with negative values (or otherwise expanding downwards).

Awestruck by this library. Thank you, @yaronn.

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Update line.js comster/blessed-contrib
7 participants
@comster @yrammos @make-github-pseudonymous-again @kpcyrd @theBliz @zlx362211854 @devamin