Update pyplot.jl

Adds a half-pixel margin to the extent for image plots so that the pixel coordinates match the grid, i.e. the center of each square pixel lies over its integral index numbers, and each square covers half a pixel before and after that.
2019-10-21 23:03:44 +02:00 · 2019-10-21 23:03:44 +02:00 · d0a73eb862
commit d0a73eb862
parent 0ca5a30b8a
1 changed files with 1 additions and 1 deletions
--- a/src/backends/pyplot.jl
+++ b/src/backends/pyplot.jl
@ -756,7 +756,7 @@ function py_add_series(plt::Plot{PyPlotBackend}, series::Series)
            cmap = py_colormap(cgrad([:black, :white])),
            vmin = 0.0,
            vmax = 1.0,
-            extent = (xmin, xmax, ymax, ymin)
+            extent = (xmin-0.5, xmax+0.5, ymax+0.5, ymin-0.5)
        )
        push!(handles, handle)