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fix wrong image limits in pyplot (fix #2864)

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This commit is contained in:
Daniel Schwabeneder 2020-07-16 20:17:02 +02:00
parent 943bdca05e
commit 6f36d0998f
1 changed files with 5 additions and 2 deletions
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7
src/backends/pyplot.jl
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@ -729,7 +729,10 @@ function py_add_series(plt::Plot{PyPlotBackend}, series::Series)
if st == :image
# @show typeof(z)
xmin, xmax = ignorenan_extrema(series[:x]); ymin, ymax = ignorenan_extrema(series[:y])
xmin, xmax = ignorenan_extrema(series[:x])
ymin, ymax = ignorenan_extrema(series[:y])
dx = (xmax - xmin) / (length(series[:x]) - 1) / 2
dy = (ymax - ymin) / (length(series[:y]) - 1) / 2
img = Array(transpose_z(series, z.surf))
z = if eltype(img) <: Colors.AbstractGray
float(img)
@ -743,7 +746,7 @@ function py_add_series(plt::Plot{PyPlotBackend}, series::Series)
cmap = py_colormap(cgrad(plot_color([:black, :white]))),
vmin = 0.0,
vmax = 1.0,
extent = (xmin-0.5, xmax+0.5, ymax+0.5, ymin-0.5)
extent = (xmin - dx, xmax + dx, ymax + dy, ymin - dy)
)
push!(handles, handle)