def get_footer(self):
footer = GNUPlot.get_footer(self)
if len(self.miniplots):
averages = []
for key in self.miniplot_key_order:
value = self.miniplot_averages[key]
averages.append((key, value / len(self.miniplots)))
self.add_tiny_barchart(WorldMapPlot.__all_countries_key, averages)
footerspecs = []
width = 0.08
height = 0.25
for (country, plotspec) in self.miniplots.items():
if country == WorldMapPlot.__all_countries_key:
plot_x = width
plot_y = height
else:
(x, y) = WorldMapPlot.get_centroid(country)
plot_x = (x - self.xrange[0]) /\
(self.xrange[1] - self.xrange[0])
plot_y = (y - self.yrange[0]) /\
(self.yrange[1] - self.yrange[0])
# extra plot to show scale
if country == WorldMapPlot.__all_countries_key:
footerspecs += [
"set title '%d country average' font 'Arial,13'"
% (len(self.miniplots) - 1),
"set ytics 1",
"set size %.2f, %.2f" % (width + 0.02, height + 0.04),
]
else:
footerspecs += [
"set title ''",
"unset ytics",
"set size %.2f, %.2f" % (width, height),
]
footerspecs += [
"unset border",
"set key off",
"set yrange [ -2 : 2 ]",
# bars have width 0.2, start at -0.2
# -0.3 : 0.5 produces 0.1 left and right margin for 3 bars
# TODO make this depend on number of items
"set xrange [ -0.3 : 0.5 ]",
"set origin %.2f, %.2f" % (plot_x - width / 2,
plot_y - height / 2),
"plot %s" % plotspec,
]
del(self.miniplots[WorldMapPlot.__all_countries_key])
# show scale
#footerspecs += [
# "unset border",
# "set yzeroaxis lw 1 lc rgb 'black'",
# "set ytics 1",
# "plot NaN",
# ]
footer += "\n" + "\n".join(footerspecs) \
+ "\n" + "unset multiplot"
#print(footer)
return footer
