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implement line_z for GR

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This commit is contained in:
Daniel Schwabeneder 2017-09-24 20:52:02 +02:00
parent 371f0a6a73
commit 8b4edae358
2 changed files with 18 additions and 3 deletions
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10
src/backends/gr.jl
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@ -22,7 +22,7 @@ const _gr_attr = merge_with_base_supported([
:tickfont, :guidefont, :legendfont,
:grid, :gridalpha, :gridstyle, :gridlinewidth,
:legend, :legendtitle, :colorbar,
:marker_z, :levels,
:line_z, :marker_z, :levels,
:ribbon, :quiver,
:orientation,
:overwrite_figure,
@ -896,6 +896,8 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
gr_set_gradient(series[:fillcolor]) #, series[:fillalpha])
elseif series[:marker_z] != nothing
series[:markercolor] = gr_set_gradient(series[:markercolor])
elseif series[:line_z] != nothing
series[:linecolor] = gr_set_gradient(series[:linecolor])
end
GR.savestate()
@ -947,9 +949,11 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
# draw the line(s)
if st == :path
gr_set_line(series[:linewidth], series[:linestyle], series[:linecolor]) #, series[:linealpha])
gr_set_line(series[:linewidth], series[:linestyle], get_linecolor(sp, series)) #, series[:linealpha])
arrowside = isa(series[:arrow], Arrow) ? series[:arrow].side : :none
gr_polyline(x, y; arrowside = arrowside)
gr_set_line(1, :solid, yaxis[:foreground_color_axis])
cmap && gr_colorbar(sp, clims)
end
end
@ -1169,7 +1173,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
for series in series_list(sp)
should_add_to_legend(series) || continue
st = series[:seriestype]
gr_set_line(series[:linewidth], series[:linestyle], series[:linecolor]) #, series[:linealpha])
gr_set_line(series[:linewidth], series[:linestyle], get_linecolor(sp, series)) #, series[:linealpha])
if (st == :shape || series[:fillrange] != nothing) && series[:ribbon] == nothing
gr_set_fill(series[:fillcolor]) #, series[:fillalpha])

11
src/utils.jl
View File

@ -587,6 +587,17 @@ function hascolorbar(sp::Subplot)
hascbar
end
function get_linecolor(sp::Subplot, series::Series)
lc = series[:linecolor]
if series[:line_z] == nothing
lc
else
cmin, cmax = get_clims(sp)
grad = isa(lc, ColorGradient) ? lc : cgrad()
grad[clamp((series[:line_z] - cmin) / (cmax -cmin), 0, 1)]
end
end
# ---------------------------------------------------------------
makekw(; kw...) = KW(kw)