python matplotlib 图例设置 legend() 参数详解

legend(loc # Location code string, or tuple (see below).
# 图例所有figure位置。　　labels # 标签名称。
prop # the font property.
# 字体参数
fontsize # the font size (used only if prop is not specified).
# 字号大小。
markerscale # the relative size of legend markers vs.
# original 图例标记与原始标记的相对大小
markerfirst # If True (default), marker is to left of the label.
# 如果为True，则图例标记位于图例标签的左侧
numpoints # the number of points in the legend for line.
# 为线条图图例条目创建的标记点数
scatterpoints # the number of points in the legend for scatter plot.
　　# 为散点图图例条目创建的标记点数
scatteryoffsets # a list of yoffsets for scatter symbols in legend.
　　　　 # 为散点图图例条目创建的标记的垂直偏移量
frameon # If True, draw the legend on a patch (frame).
# 控制是否应在图例周围绘制框架
fancybox # If True, draw the frame with a round fancybox.
# 控制是否应在构成图例背景的FancyBboxPatch周围启用圆边
shadow # If True, draw a shadow behind legend.
# 控制是否在图例后面画一个阴影
framealpha # Transparency of the frame.
# 控制图例框架的 Alpha 透明度
edgecolor # Frame edgecolor.
facecolor # Frame facecolor.
ncol # number of columns.
# 设置图例分为n列展示
borderpad # the fractional whitespace inside the legend border.
# 图例边框的内边距
labelspacing # the vertical space between the legend entries.
　　 # 图例条目之间的垂直间距
handlelength # the length of the legend handles.
　　# 图例句柄的长度
handleheight # the height of the legend handles.
　　 # 图例句柄的高度
handletextpad # the pad between the legend handle and text.
　　 # 图例句柄和文本之间的间距
borderaxespad # the pad between the axes and legend border.
　　 # 轴与图例边框之间的距离
columnspacing # the spacing between columns.
　　 # 列间距
title # the legend title.
# 图例标题
bbox_to_anchor # the bbox that the legend will be anchored.
　　　 # 指定图例在轴的位置
bbox_transform) # the transform for the bbox.
　　　 # transAxes if None.