Plot Levels of a Variable in a Colour-Coded Map
Plot Levels of a Variable in a Colour-Coded Map
ColorMap(values, map = NULL, polys = NULL, log = FALSE,
nclr = 7, include.legend = list(TRUE), round = 3,
brks = NULL, legend = NULL, location = "topright",
rev = FALSE, alpha = 0.5, GRAY = FALSE, palette = c("YlOrRd",
"RdYlGn", "Spectral")[1], textInPolys = NULL,
...)values |
variable to plot |
map |
map object |
polys |
an object of class SpatialPolygons (See SpatialPolygons-class |
log |
boolean of whether to plot values on log scale |
nclr |
number of colour-levels to use |
include.legend |
boolean of whether to include legend |
round |
number of digits to round to in legend |
brks |
if desired, pre-specified breaks for legend |
legend |
if desired, a pre-specified legend |
location |
location of legend |
rev |
boolean of whether to reverse colour scheme (darker colours for smaller values) |
alpha |
alpha value of colors |
GRAY |
boolean: if TRUE, use gray scale instead |
palette |
palette to choose from RColorBrewer |
textInPolys |
text to be displayed inside polygons. This can be a column names for values |
... |
extra args to pass to |
Markus Loecher
if (0){
data("NYleukemia", envir = environment())
population <- NYleukemia$data$population
cases <- NYleukemia$data$cases
mapNY <- GetMap(center=c(lat=42.67456,lon=-76.00365), destfile = "NYstate.png",
maptype = "mobile", zoom=9)
ColorMap(100*cases/population, mapNY, NYleukemia$spatial.polygon, add = FALSE,
alpha = 0.35, log = TRUE, location = "topleft")
}
#ColorMap(100*cases/population, map=NULL, NYleukemia$spatial.polygon)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.