plotLand: plotLand - puts land mass on top of a plot; covers land...

In haddonm/rforcpue: Functions to Assist With The Analysis of CPUE Data

plotLand - puts land mass on top of a plot; covers land overlaps

Description

plotLand - puts land mass on top of a plot; covers land overlaps Used primarily after using plotpolys, which often leaves some oblongs sitting over parts of the coast. Using addpoints can also leave points on land. However, if you want to illustrate things on land then now you can use RGB = TRUE, and if you set alpha to 0.1 this will be transluscent andpoints in rivers, etc, will still be visible. If you use this option then incol becomes the red intensity and must lie between 0 and 1.

Usage

plotLand(incol = "lightgrey", RGB = FALSE, green = NA, blue = NA, alpha = NA)

Arguments

incol	defaults to "lightgrey" but can be any single number representing a colour.
RGB	should we use an rgb colour; default = FALSE
green	the green intensity default = NA
blue	the blue intensity
alpha	the standard density 1 = full colour 1/10 = one tenth

Value

Nothing returned but the plot of land is repeated in light blue

Examples

## Not run: 
  dev.new(height=6.0,width=7.5,noRStudioGD = TRUE)
  plotaus()
  plotLand(incol="red")
  plotLand(incol=1,RGB=TRUE,green=0,blue=0,alpha=(1/10))

## End(Not run)

haddonm/rforcpue documentation built on Oct. 12, 2024, 11:55 p.m.