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Merge pull request #1570 from daschw/flip

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fix flip for heatmap and image on GR (fix #1491)
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Daniel Schwabeneder 2018-06-23 07:34:24 +02:00 committed by GitHub
commit facb67e94e
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1 changed files with 8 additions and 1 deletions
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9
src/backends/gr.jl
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@ -1095,6 +1095,10 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
elseif st == :heatmap
xmin, xmax, ymin, ymax = xy_lims
zmin, zmax = clims
m, n = length(x), length(y)
xinds = sort(1:m, rev = xaxis[:flip])
yinds = sort(1:n, rev = yaxis[:flip])
z = reshape(reshape(z, m, n)[xinds, yinds], m*n)
GR.setspace(zmin, zmax, 0, 90)
grad = isa(series[:fillcolor], ColorGradient) ? series[:fillcolor] : cgrad()
colors = [plot_color(grad[clamp((zi-zmin) / (zmax-zmin), 0, 1)], series[:fillalpha]) for zi=z]
@ -1198,7 +1202,10 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
elseif st == :image
z = transpose_z(series, series[:z].surf, true)'
w, h = size(z)
w, h = length(x), length(y)
xinds = sort(1:w, rev = xaxis[:flip])
yinds = sort(1:h, rev = yaxis[:flip])
z = z[xinds, yinds]
xmin, xmax = ignorenan_extrema(series[:x]); ymin, ymax = ignorenan_extrema(series[:y])
if eltype(z) <: Colors.AbstractGray
grey = round.(UInt8, float(z) * 255)