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docs: Suggest using Requires.jl for automatic settings of package options

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Using the @gnuplotrc macro for collecting user's preferred setup works
well, but it is a bit annoying when Julia needs to be restarted
often (e.g. due to crashes). Using Requires.jl allows the user to
forget about calling @gnuplotrc; the initialization happens
automatically, whenever the Gnuplot package is loaded.
This commit is contained in:
Michal Sojka 2021-05-25 15:01:45 +02:00
parent 9327492aa1
commit 658e5f422c
1 changed files with 5 additions and 7 deletions
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docs/src/options.md
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@ -70,12 +70,11 @@ Each line reports the package name (`GNUPLOT`), the session name (`default`), th
## Package initialization
If you use **Gnuplot.jl** frequently you may find convenient to collect all the package settings ([Options](@ref)) in a single place, to quickly recall them in a Julia session. A possibility is to put the following code in the `~/.julia/config/startup.jl` initialization file (further info [here](https://docs.julialang.org/en/v1/stdlib/REPL/)):
If you use **Gnuplot.jl** frequently you may find convenient to automatically apply the package settings ([Options](@ref)) whenever the package is loaded. A possibility is to use [Requires.jl](https://github.com/JuliaPackaging/Requires.jl) and put the following code in the `~/.julia/config/startup.jl` initialization file (further info [here](https://docs.julialang.org/en/v1/stdlib/REPL/)):
```julia
macro gnuplotrc()
return :(
using Gnuplot;
using Requires
@require Gnuplot="dc211083-a33a-5b79-959f-2ff34033469d" begin
@info "Custom Gnuplot initialization"
# Uncomment the following if you don't have the gnuplot
# executable installed on your platform:
#Gnuplot.options.dry = true;
@ -103,13 +102,12 @@ macro gnuplotrc()
# Set the default linetypes
empty!(Gnuplot.options.init);
push!(Gnuplot.options.init, linetypes(:Set1_5, lw=1.5, ps=1.5));
push!(Gnuplot.options.init, Gnuplot.linetypes(:Set1_5, lw=1.5, ps=1.5));
# Initialize the gnuplot REPL using the provided `start_key`.
if Gnuplot.options.gpviewer;
Gnuplot.repl_init(start_key='>');
end;
)
end
```
At the Julia prompt you may load the package and the associated settings by typing: