Colorbars

1# Each heatmap owns one colorbar. Four positions are edited independently.2# Every data rectangle is 52 x 36 mm; changing colorbar length never resizes it.3page = canvas(size=(220 mm, 204 mm), background="#ffffff")4style = plot_style(font_family="DejaVu Sans", font_size=8 pt)5z = [[0, 1000, 2000, 3000], [1000, 2000, 3000, 4000], [2000, 3000, 4000, 5000]]6value = text(spans=[formula(source=r"I", font_size=8 pt), span(" (a.u.)")],7             font_family="DejaVu Sans", font_size=8 pt)8 9right_chart = plot(size=(96 mm, 82 mm), plot_area=box(offset=(22 mm, 25 mm), size=(52 mm, 36 mm)), style=style,10             x=axis(label="x", ticks=[0, 2, 4]), y=axis(label="y", ticks=[0, 1, 2, 3]))11hr = right_chart.heatmap(z=z, vmin=0, vmax=5000)12right_chart.colorbar(hr, position= right, ticks=[0, 2500, 5000], notation= offset, format=".1f", label=value)13a = page.add(right_chart, anchor= plot_top_left, offset=(28 mm, 36 mm))14page.add(text(content="(a) Right / full height", font_family="DejaVu Sans", font_size=10 pt),15         target=a.plot_top_left, offset=(0 mm, -28 mm))16 17left_chart = plot(size=(110 mm, 82 mm), plot_area=box(offset=(43 mm, 25 mm), size=(52 mm, 36 mm)), style=style,18            x=axis(label="x", ticks=[0, 2, 4]), y=axis(label="y", ticks=[0, 1, 2, 3]))19hl = left_chart.heatmap(z=z, vmin=0, vmax=5000)20left_chart.colorbar(hl, position= left, length=28 mm, thickness=4 mm, gap=3 mm,21              ticks=[0, 2500, 5000], format=".0f", label=value)22b = page.add(left_chart, anchor= plot_top_left, offset=(153 mm, 36 mm))23page.add(text(content="(b) Left / shorter strip", font_family="DejaVu Sans", font_size=10 pt),24         target=b.plot_top_left, offset=(0 mm, -28 mm))25 26top_chart = plot(size=(96 mm, 90 mm), plot_area=box(offset=(22 mm, 38 mm), size=(52 mm, 36 mm)), style=style,27           x=axis(label="x", ticks=[0, 2, 4]), y=axis(label="y", ticks=[0, 1, 2, 3]))28ht = top_chart.heatmap(z=z, vmin=0, vmax=5000)29top_chart.colorbar(ht, position= top, length=45 mm, ticks=[0, 2500, 5000], notation= scientific, format=".1e", label=value)30c = page.add(top_chart, anchor= plot_top_left, offset=(28 mm, 142 mm))31page.add(text(content="(c) Top / scientific ticks", font_family="DejaVu Sans", font_size=10 pt),32         target=c.plot_top_left, offset=(0 mm, -36 mm))33 34bottom_chart = plot(size=(96 mm, 94 mm), plot_area=box(offset=(22 mm, 25 mm), size=(52 mm, 36 mm)), style=style,35              x=axis(label="x", ticks=[0, 2, 4]), y=axis(label="y", ticks=[0, 1, 2, 3]))36hb = bottom_chart.heatmap(z=z, vmin=0, vmax=5000)37bottom_chart.colorbar(hb, position= bottom, length=45 mm, thickness=3 mm, gap=3 mm,38                ticks=[0, 2500, 5000], notation= offset, exponent=3, format=".1f", label=value)39# Manual alternative: replace position= bottom and gap=3 mm above with40# position=(3.5 mm, 51 mm), orientation= horizontal. Coordinates start at the data top-left.41d = page.add(bottom_chart, anchor= plot_top_left, offset=(153 mm, 129 mm))42page.add(text(content="(d) Bottom / shared multiplier", font_family="DejaVu Sans", font_size=10 pt),43         target=d.plot_top_left, offset=(-10 mm, -23 mm))