当我们所参考的颜色版颜色数目有限时候该这么解决

首先最重要的参考链接：

• https://www.r-bloggers.com/how-to-expand-color-palette-with-ggplot-and-rcolorbrewer/
  报错

Warning messages:
1: In brewer.pal(14, "Purples") :
  n too large, allowed maximum for palette Purples is 9
Returning the palette you asked for with that many colors

2: In brewer.pal(14, "Purples") :
  n too large, allowed maximum for palette Purples is 9
Returning the palette you asked for with that many colors

`解决方案

colourCount = length(unique(HA_FR$V1))
getPalette = colorRampPalette(brewer.pal(10, "Spectral")) #"Paired",Spectral

image.png image.png image.png image.png image.png