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[BUG] Can not use function default to set labels correctly #3496

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newptcai opened this issue May 12, 2021 · 3 comments · May be fixed by #4184
Open

[BUG] Can not use function default to set labels correctly #3496

newptcai opened this issue May 12, 2021 · 3 comments · May be fixed by #4184
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enhancement improving existing functionality

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@newptcai
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The following code generates picture with incorrect labels

using Plots
x = 1:10; y = rand(10, 2) # 2 columns means two lines
default(label = ["Line a" "Line b"])
plot(x, y, title = "Two Lines", lw = 3)

The picture looks like this
1

Backends

This bug occurs on ( insert x below )

Backend yes no untested
gr (default) x
pyplot x

Versions

Plots.jl version: v1.14.0
Backend version (]st -m):
GR v0.57.4
PyPlot v2.9.0
Output of versioninfo():

Julia Version 1.6.1
Commit 6aaedecc44 (2021-04-23 05:59 UTC)
Platform Info:
  OS: Linux (x86_64-pc-linux-gnu)
  CPU: Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-11.0.1 (ORCJIT, skylake)
Environment:
  JULIA_WARN_COLOR = cyan
@newptcai newptcai added the bug label May 12, 2021
@BeastyBlacksmith
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BeastyBlacksmith commented May 14, 2021 •
edited by t-bltg

Well, you can only set one default label at the moment. E.g.

using Plots
x = 1:10; y = rand(10, 2) # 2 columns means two lines
default(label = "Line a")
plot(x, y, title = "Two Lines", lw = 3)

That could be extended to accpecting functions or vectors.

@BeastyBlacksmith BeastyBlacksmith added enhancement improving existing functionality and removed bug labels May 14, 2021
@newptcai
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newptcai commented May 14, 2021 •
edited by t-bltg

But you can set more than one labels when calling plot.
The following code works as expected.

using Plots
x = 1:10; y = rand(10, 2) # 2 columns means two lines
plot(x, y, title = "Two Lines", lw = 3, label = ["Line a" "Line b"])

@newptcai
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Just a comment. This was used in the textbook Statistics With Julia. So apparently, at certain point in the past, this actually worked.

@BeastyBlacksmith BeastyBlacksmith linked a pull request Apr 19, 2022 that will close this issue
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@t-bltg t-bltg changed the title [BUG] Can not use function defaul to set labels correctly [BUG] Can not use function default to set labels correctly Nov 20, 2022
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slice series defaults JuliaPlots/Plots.jl
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@newptcai @BeastyBlacksmith