如何在使用.whatWeDo {
background-image: url("/images/intManagement/homePage/whatwedo.jpg");
background-repeat: no-repeat;
background-size: 100% 100%;
float: left;
height: 100%;
padding-top: 100px;
position: relative;
top: 80px;
width: 100%;
}
功能时使用透明背景绘制图例?
答案 0 :(得分:19)
使用: bg =“透明”
legend()
如:
legend("right",bg="transparent",col=c(as.numeric(unique(df$group2))),cex=0.5)