Merge pull request #1009 from JackDevine/add-stride

Add stride to wireframe/surface

src/args.jl

@@ -244,6 +244,7 @@ const _series_defaults = KW(
     :primary            => true,     # when true, this "counts" as a series for color selection, etc.  the main use is to allow
                                      #     one logical series to be broken up (path and markers, for example)
     :hover              => nothing,  # text to display when hovering over the data points
+    :stride             => (1,1),    # array stride for wireframe/surface, the first element is the row stride and the second is the column stride.
 )
 
 
@@ -504,6 +505,7 @@ add_aliases(:series_annotations, :series_ann, :seriesann, :series_anns, :seriesa
 add_aliases(:html_output_format, :format, :fmt, :html_format)
 add_aliases(:orientation, :direction, :dir)
 add_aliases(:inset_subplots, :inset, :floating)
+add_aliases(:stride, :wirefame_stride, :surface_stride, :surf_str, :str)
 add_aliases(:gridlinewidth, :gridwidth, :grid_linewidth, :grid_width, :gridlw, :grid_lw)
 add_aliases(:gridstyle, :grid_style, :gridlinestyle, :grid_linestyle, :grid_ls, :gridls)
 add_aliases(:framestyle, :frame_style, :frame, :axesstyle, :axes_style, :boxstyle, :box_style, :box, :borderstyle, :border_style, :border)

src/backends/pyplot.jl

@@ -32,6 +32,7 @@ const _pyplot_attr = merge_with_base_supported([
     :inset_subplots,
     :dpi,
     :colorbar_title,
+    :stride,
     :framestyle,
   ])
 const _pyplot_seriestype = [
@@ -704,8 +705,8 @@ function py_add_series(plt::Plot{PyPlotBackend}, series::Series)
             handle = ax[st == :surface ? :plot_surface : :plot_wireframe](x, y, z;
                 label = series[:label],
                 zorder = series[:series_plotindex],
-                rstride = 1,
-                cstride = 1,
+                rstride = series[:stride][1],
+                cstride = series[:stride][2],
                 linewidth = py_dpi_scale(plt, series[:linewidth]),
                 edgecolor = py_linecolor(series),
                 extrakw...