87 种预设配色总览

1# Complete canonical preset catalogue; aliases and _r variants are omitted here.2names=cmap_names()3page=canvas(size=(210mm,len(names)*4mm+22mm),background="#ffffff")4page.add(text(content="Matplotlib 3.11.2 - 87 cmap presets",font_family="DejaVu Sans",font_size=12pt),offset=(8mm,5mm))5for row,name in enumerate(names) {6 cm=cmap(name)7 colors=cm.colors(64)8 if cm.category=="qualitative" {colors=cm.colors()}9 width=142mm/len(colors)10 page.add(text(content=name,font_family="DejaVu Sans",font_size=7pt),offset=(8mm,18mm+row*4mm))11 for i,color in enumerate(colors) {12  page.add(rect(size=(width,3mm),fill=color),offset=(57mm+i*width,18mm+row*4mm))13 }14}15# These useful handles can be reused elsewhere without changing the preset.16reverse=cmap("viridis").reversed()17accent=reverse.sample(0.5)18cycle=palette("tab10")