Nov 29, 2025 · Nov 29, 2025
diff --git a/galleries/examples/misc/demo_agg_filter.py b/galleries/examples/misc/demo_agg_filter.py
 def light_filter_pie(ax):
    fracs = [15, 30, 45, 10]
    explode = (0.1, 0.2, 0.1, 0.1)
 pies = ax.pie(fracs, explode=explode)
 pie = ax.pie(fracs, explode=explode)

    light_filter = LightFilter(9)
    for p inpies[0]:
    for p inpie.wedges:
        p.set_agg_filter(light_filter)
        p.set_rasterized(True)  # to support mixed-mode renderers
        p.set(ec="none",
              lw=2)

    gauss = DropShadowFilter(9, offsets=(3, -4), alpha=0.7)
    shadow = FilteredArtistList(pies[0], gauss)
    shadow = FilteredArtistList(pie.wedges, gauss)
    ax.add_artist(shadow)
    shadow.set_zorder(pies[0][0].get_zorder() - 0.1)
    shadow.set_zorder(pie.wedges[0].get_zorder() - 0.1)


 if __name__ == "__main__":
diff --git a/galleries/examples/pie_and_polar_charts/bar_of_pie.py b/galleries/examples/pie_and_polar_charts/bar_of_pie.py
 explode = [0.1, 0, 0]
 # rotate so that first wedge is split by the x-axis
 angle = -180 * overall_ratios[0]
 wedges, *_ = ax1.pie(overall_ratios, autopct='%1.1f%%', startangle=angle,
 labels=labels, explode=explode)
 pie = ax1.pie(overall_ratios, autopct='%1.1f%%', startangle=angle,
              labels=labels, explode=explode)

 # bar chart parameters
 age_ratios = [.33, .54, .07, .06]
 ax2.set_xlim(- 2.5 * width, 2.5 * width)

 # use ConnectionPatch to draw lines between the two plots
 theta1, theta2 = wedges[0].theta1, wedges[0].theta2
 center, r = wedges[0].center, wedges[0].r
 theta1, theta2 =pie.wedges[0].theta1,pie.wedges[0].theta2
 center, r =pie.wedges[0].center,pie.wedges[0].r
 bar_height = sum(age_ratios)

 # draw top connecting line
Original file line number	Diff line number	Diff line change
Expand Up		@@ -269,19 +269,19 @@ def drop_shadow_patches(ax):
		def light_filter_pie(ax):
		fracs = [15, 30, 45, 10]
		explode = (0.1, 0.2, 0.1, 0.1)
		pies = ax.pie(fracs, explode=explode)
		pie = ax.pie(fracs, explode=explode)

		light_filter = LightFilter(9)
		for p inpies[0]:
		for p inpie.wedges:
		p.set_agg_filter(light_filter)
		p.set_rasterized(True) # to support mixed-mode renderers
		p.set(ec="none",
		lw=2)

		gauss = DropShadowFilter(9, offsets=(3, -4), alpha=0.7)
		shadow = FilteredArtistList(pies[0], gauss)
		shadow = FilteredArtistList(pie.wedges, gauss)
		ax.add_artist(shadow)
		shadow.set_zorder(pies[0][0].get_zorder() - 0.1)
		shadow.set_zorder(pie.wedges[0].get_zorder() - 0.1)


		if __name__ == "__main__":
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -25,8 +25,8 @@
		explode = [0.1, 0, 0]
		# rotate so that first wedge is split by the x-axis
		angle = -180 * overall_ratios[0]
		wedges, *_ = ax1.pie(overall_ratios, autopct='%1.1f%%', startangle=angle,
		labels=labels, explode=explode)
		pie = ax1.pie(overall_ratios, autopct='%1.1f%%', startangle=angle,
		labels=labels, explode=explode)

		# bar chart parameters
		age_ratios = [.33, .54, .07, .06]
Expand All		@@ -47,8 +47,8 @@
		ax2.set_xlim(- 2.5 * width, 2.5 * width)

		# use ConnectionPatch to draw lines between the two plots
		theta1, theta2 = wedges[0].theta1, wedges[0].theta2
		center, r = wedges[0].center, wedges[0].r
		theta1, theta2 =pie.wedges[0].theta1,pie.wedges[0].theta2
		center, r =pie.wedges[0].center,pie.wedges[0].r
		bar_height = sum(age_ratios)

		# draw top connecting line
Expand Down