PolyCol: Create list of colors depending on attribute data.

In plotGoogleMaps: Plot Spatial or Spatio-Temporal Data Over Google Maps

Description

The function provide list of colors, unique colors, levels of attribute,attribute breaks.

Usage

PolyCol(attribute,
                     colPalette=NULL,
                     at=NULL)

Arguments

attribute	vector of attribute data
colPalette	colours to be used to fill features depending on attribute
at	values at which colours will change

Value

The function provide list of colors (cols), unique colors (col.uniq), levels of attribute (att),attribute breaks (brks).

Author(s)

Milan Kilibarda [e-mail]

See Also

plotGoogleMaps, ellipseGoogleMaps, bubbleGoogleMaps

Examples

# Data preparation
data(meuse)
coordinates(meuse)<-~x+y
proj4string(meuse) <- CRS('+init=epsg:28992')

m<-plotGoogleMaps(meuse,zcol='zinc')
# see results in your working directory

# similar classic plot
cols=PolyCol(meuse$zinc)$cols
plot(meuse,col=cols)

str(PolyCol(meuse$zinc))

m<-plotGoogleMaps(meuse,zcol='zinc',at=c(0,300,600, max(meuse$zinc)), colPalette=rainbow(3))
# similar classic plot
cols=PolyCol(meuse$zinc,colPalette=rainbow(3), at=c(0,300,600, max(meuse$zinc)) )$cols
plot(meuse,col=cols)

# plotKML(meuse, colour='zinc', colour_scale =cols)

plotGoogleMaps documentation built on May 2, 2019, 5:45 p.m.