7.3.4 Multiple Background Populations in One Data Set

#Fig 7.6: Map for Na in O-Horizon and La in C-Horizon library(StatDA) data(ohorizon) data(kola.background) X=ohorizon[,"XCOO"] Y=ohorizon[,"YCOO"] # true representation of x and y axis of map for plot xwid=diff(range(X))/12e4 ywid=diff(range(Y))/12e4 pdf("fig-7-6.pdf",width=2*xwid,height=1*ywid) par(mfrow=c(1,2),mar=c(1.5,1.5,1.5,1.5)) ### NEW MAP: el=ohorizon[,"Na"] # generate plot with background plot(X,Y,frame.plot=FALSE,xaxt="n",yaxt="n",xlab="",ylab="",type="n") plotbg(map.col=c("gray","gray","gray","gray"),add.plot=T) SymbLegend(X,Y,el,type="percentile",qutiles<-c(0,0.05,0.25,0.75,0.95,1),symbtype="EDA",symbmagn=0.8, leg.position="topright",leg.title="Na_O [mg/kg]",leg.title.cex=0.7,leg.round=2,leg.wid=4,leg.just="right") # Text text(min(X)+diff(range(X))*4/7,max(Y),paste(qutiles*100,collapse=","),cex=0.65) text(min(X)+diff(range(X))*4/7,max(Y)-diff(range(Y))/25,"Percentiles",cex=0.7) # scalebar scalebar(761309,7373050,861309,7363050,shifttext=-0.5,shiftkm=37e3,sizetext=0.8) # North arrow Northarrow(362602,7818750,362602,7878750,362602,7838750,Alength=0.15,Aangle=15,Alwd=1.3,Tcex=1.6) ### NEW MAP: data(chorizon) el=chorizon[,"La_INAA"] X=chorizon[,"XCOO"] Y=chorizon[,"YCOO"] # generate plot with background plot(X,Y,frame.plot=FALSE,xaxt="n",yaxt="n",xlab="",ylab="",type="n") plotbg(map.col=c("gray","gray","gray","gray"),add.plot=T) SymbLegend(X,Y,el,type="percentile",qutiles<-c(0,0.05,0.25,0.75,0.95,1),symbtype="EDA",symbmagn=0.8, leg.position="topright",leg.title="La_C [mg/kg]",leg.title.cex=0.7,leg.round=2,leg.wid=4,leg.just="right") # Text text(min(X)+diff(range(X))*4/7,max(Y),paste(qutiles*100,collapse=","),cex=0.65) text(min(X)+diff(range(X))*4/7,max(Y)-diff(range(Y))/25,"Percentiles",cex=0.7) # scalebar scalebar(761309,7373050,861309,7363050,shifttext=-0.5,shiftkm=37e3,sizetext=0.8) # North arrow Northarrow(362602,7818750,362602,7878750,362602,7838750,Alength=0.15,Aangle=15,Alwd=1.3,Tcex=1.6) dev.off()