mantao/Plots.jl
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changed spy plot example

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This commit is contained in:
Daniel Schwabeneder 2017-06-03 13:27:38 +02:00
parent ee23cb2185
commit 1a07c39fad
2 changed files with 5 additions and 6 deletions
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9
src/examples.jl
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@ -319,12 +319,11 @@ PlotExample("Animation with subplots",
),
PlotExample("Spy",
"For a matrix `mat` with unique nonzeros `spy(mat)` returns a colorless plot. If `mat` has various different nonzero values, a colorbar is added. The colorbar can be disabled with `legend = nothing`. As always, the marker shape and size can be changed with `spy(mat, markersize = 5, markershape = :diamond)`",
"For a matrix `mat` with unique nonzeros `spy(mat)` returns a colorless plot. If `mat` has various different nonzero values, a colorbar is added. The colorbar can be disabled with `legend = nothing`. As always, the marker shape and size can be changed with `spy(mat, markersize = 3, markershape = :star)`",
[:(begin
a = spdiagm((ones(200), ones(199), ones(199), ones(150), ones(150)),(0, 1, -1, 50, -50))
n = 20
b = [i > j ? i * j : 0 for i in 1:n, j in 1:n]
plot(spy(a), spy(b, markersize = 5, markershape = :diamond), title = ["Unique nonzeros" "Different nonzeros"], yguide = "Row", xguide = "Column")
a = spdiagm((ones(50), ones(49), ones(49), ones(40), ones(40)),(0, 1, -1, 10, -10))
b = spdiagm((1:50, 1:49, 1:49, 1:40, 1:40),(0, 1, -1, 10, -10))
plot(spy(a, markershape = :star), spy(b), markersize = 3, title = ["Unique nonzeros" "Different nonzeros"])
end)]
),

2
src/recipes.jl
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@ -976,7 +976,7 @@ end
@assert length(g.args) == 1 && typeof(g.args[1]) <: AbstractMatrix
seriestype := :spy
mat = g.args[1]
if length(unique(mat)) <= 2
if length(unique(mat[mat .!= 0])) < 2
legend --> nothing
end
n,m = size(mat)