使用斜线填充区域,并绘制边界
fill[pattern color=red, pattern=north west lines, opacity=0.4] (0,0) -- (0,1) -- (1,1); fill[pattern color=red, pattern=north west lines, opacity=0.4, draw] (0,0) -- (0,1) -- (1,1); filldraw[pattern color=red, pattern=north west lines, opacity=0.4] (0,0) -- (0,1) -- (1,1);
手册索引:
15.3.2 Graphic Parameters: Dash Pattern:线的样式
60 Pattern Library:填充样式