R绘图系统3.docx

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R绘图系统3.docx

R绘图系统3

3.1

par(oma=rep(3,4),bg="gray80")

plot(c(0,1),c(0,1),type="n",ann=FALSE,axes=FALSE)

box("outer",col="gray")

#setclippingtofigureregion

par(xpd=TRUE)

#deliberatelydrawastupidlylargerectangle

rect(-1,-1,2,2,col="gray90")

box("figure")

#setclippingbacktoplotregion

par(xpd=FALSE)

#deliberatelydrawastupidlylargerectangle

rect(-1,-1,2,2,col="gray80")

box("plot",lty="dashed")

text(.5,.5,"PlotRegion")

mtext("FigureRegion",side=3,line=2)

for(iin1:

4)

mtext(paste("Outermargin",i),side=i,line=1,outer=TRUE)

 

3.2

par(oma=rep(3,4),mfrow=c(3,2),bg="gray80")

for(iin1:

6){

if(i==3){

omar<-par(mar=c(2,2,2,1))

plot(c(0,1),c(0,1),type="n",ann=FALSE,axes=FALSE)

par(xpd=TRUE)

rect(-1,-1,2,2,col="gray90")

box("figure")

par(xpd=FALSE)

rect(-1,-1,2,2,col="gray80")

box("plot",lty="dashed")

text(.5,.5,"CurrentPlotRegion",cex=1.5)

mtext("CurrentFigureRegion",side=3)

par(omar)

}else{

omar<-par(mar=rep(0,4))

plot(c(0,1),c(0,1),type="n",ann=FALSE,axes=FALSE)

par(xpd=TRUE)

rect(-1,-1,2,2,col="gray90")

box("figure")

text(.5,.5,paste("Figure",i),cex=1.5)

par(omar)

}

}

box("outer",col="gray")

for(iin1:

4)

mtext(paste("Outermargin",i),side=i,line=1,outer=TRUE)

 

3.3

par(mar=c(3,6,2,2),xaxs="i",yaxs="i",xpd=FALSE,las=1)

plot(c(0,1),c(0,1),type="n",ann=FALSE,axes=FALSE)

box("figure")

rect(0,0,1,1,col="lightgray",border="gray")

axis(1,at=c(0,1),c("",""))

mtext("Minx-value",side=1,adj=0,line=1)

mtext("Maxx-value",side=1,adj=1,line=1)

axis(2,at=c(0,1),c("",""))

mtext("Miny-value",side=2,at=0,adj=1,line=1)

mtext("Maxy-value",side=2,at=1,adj=1,line=1)

lines(c(.6,.6,0),c(0,.6,.6),lty="dashed")

text(.6,.6,expression(paste("Thelocation",

group("(",list(x[i],y[i]),")"))),pos=3)

points(.6,.6,pch=16)

axis(1,at=.6,"")

mtext(expression(x[i]),side=1,at=.6,line=.7)

axis(2,at=.6,"")

mtext(expression(y[i]),side=2,at=.6,line=.7)

 

3.4

pushViewport(viewport(layout=grid.layout(3,1,

heights=unit(rep(1,3),c("null","cm","null")))))

pushViewport(viewport(layout.pos.row=1))

grid.rect()

pushViewport(plotViewport(c(5,5,3,2),xscale=c(0,11)))

grid.rect(gp=gpar(col="gray"))

grid.text("CurrentPlot",gp=gpar(col="gray"))

grid.rect(0,unit(-5,"lines"),1,unit(5,"lines"),

just=c("left","bottom"),gp=gpar(col="gray",fill="lightgray"))

grid.text("Figure\nMargin\n1",y=unit(-2.5,"lines"))

grid.lines(c(0,1),c(0,0))

grid.segments(c(0,1),c(0,0),c(0,1),unit(c(.5,.5),"lines"))

grid.text(c("xmin","xmax"),c(0,1),unit(c(1,1),"lines"))

grid.lines(c(0,0),unit(c(-1,-4),"lines"))

grid.segments(c(0,0),unit(c(-1,-4),"lines"),

unit(c(-.5,-.5),"lines"),unit(c(-1,-4),"lines"))

grid.text(c("0lines","3lines"),

unit(c(-1,-1),"lines"),unit(c(-1,-4),"lines"),

just=c("right","bottom"))

popViewport

(2)

pushViewport(viewport(layout.pos.row=3))

grid.rect()

pushViewport(plotViewport(c(5,5,3,2),yscale=c(0,11)))

grid.rect(gp=gpar(col="gray"))

grid.text("CurrentPlot",gp=gpar(col="gray"))

grid.rect(unit(-5,"lines"),0,unit(5,"lines"),1,

just=c("left","bottom"),gp=gpar(col="gray",fill="lightgray"))

grid.text("Figure\nMargin\n2",x=unit(-2.5,"lines"))

grid.lines(c(0,0),c(0,1))

grid.segments(c(0,0),c(0,1),unit(c(.5,.5),"lines"),c(0,1))

grid.text(c("ymin","ymax"),unit(c(1,1),"lines"),c(0,1),just="left")

grid.lines(unit(c(0,-3),"lines"),c(0,0))

grid.segments(unit(c(0,-3),"lines"),c(0,0),

unit(c(0,-3),"lines"),unit(c(-.5,-.5),"lines"))

grid.text(c("0lines","3lines"),

unit(c(0,-3),"lines"),unit(c(-1,-1),"lines"),

rot=90,just=c("right","bottom"))

popViewport

(2)

popViewport()

 

3.5

pushViewport(viewport(layout=grid.layout(3,1,

heights=unit(c(1,1,1),c("null","cm","null")))))

#Firstpage

pushViewport(viewport(layout.pos.row=3,

layout=grid.layout(3,4,

widths=unit(c(2.5,1,1,1),c("cm","null","null","cm")),

heights=unit(c(1,1,2.5),c("cm","null","cm")))))

grid.rect(gp=gpar(col="black"))

for(iin2){

for(jin2:

3){

pushViewport(viewport(layout.pos.col=j,layout.pos.row=i))

grid.rect(gp=gpar(col="gray"))

pushViewport(plotViewport(c(2,2,1,1),xscale=c(0,11),

gp=gpar(col="gray")))

grid.rect(gp=gpar(col="gray"))

grid.text(paste("Plot",j-1))

popViewport()

popViewport()

}

}

pushViewport(viewport(layout.pos.row=2,layout.pos.col=1))

grid.rect(gp=gpar(col="gray",fill="lightgray"))

grid.text("Outer\nMargin\n2")

grid.lines(c(1,1),c(0,1))

grid.segments(c(1,1),c(0,1),

unit(1,"npc")+unit(c(.5,.5),"lines"),

c(0,1))

grid.text(0:

1,

unit(1,"npc")+unit(c(1,1),"lines"),

c(0,1))

grid.lines(unit(1,"npc")-unit(c(0,3),"lines"),c(0,0))

grid.segments(unit(1,"npc")-unit(c(0,3),"lines"),

c(0,0),

unit(1,"npc")-unit(c(0,3),"lines"),

unit(c(-.5,-.5),"lines"))

grid.text(c("0lines","3lines"),

unit(1,"npc")-unit(c(0,3),"lines"),

unit(c(-1,-1),"lines"),

rot=90,just=c("right","bottom"))

popViewport

(2)

#Secondpage

pushViewport(viewport(layout.pos.row=1,

layout=grid.layout(3,4,

widths=unit(c(2.5,1,1,1),c("cm","null","null","cm")),

heights=unit(c(1,1,2.5),c("cm","null","cm")))))

grid.rect(gp=gpar(col="black"))

for(iin2){

for(jin2:

3){

pushViewport(viewport(layout.pos.col=j,layout.pos.row=i))

grid.rect(gp=gpar(col="gray"))

pushViewport(plotViewport(c(2,2,1,1),xscale=c(0,11),

gp=gpar(col="gray")))

grid.rect(gp=gpar(col="gray"))

grid.text(paste("Plot",j-1))

popViewport()

popViewport()

}

}

pushViewport(viewport(layout.pos.row=3,layout.pos.col=2:

3))

grid.rect(gp=gpar(col="gray",fill="lightgray"))

grid.text("OuterMargin1")

grid.lines(c(0,1),c(1,1))

grid.segments(c(0,1),

unit(c(1,1),"npc"),

c(0,1),

unit(c(1,1),"npc")+unit(.5,"lines"))

#grid.rect(c(0,1),

#unit(c(1,1),"npc")+unit(1,"lines"),

#unit(c(1,1),"strwidth",list("0","1")),

#unit(c(1,1),"strheight",list("0","1")),

#gp=gpar(col=NULL,fill="white"))

grid.text(c(0,1),

c(0,1),

unit(c(1,1),"npc")+unit(1,"lines"))

grid.lines(c(0,0),unit(1,"npc")-unit(c(1,4),"lines"))

grid.segments(c(0,0),

unit(1,"npc")-unit(c(1,4),"lines"),

unit(c(-.5,-.5),"lines"),

unit(1,"npc")-unit(c(1,4),"lines"))

grid.text(c("0lines","3lines"),

unit(c(-1,-1),"lines"),

unit(1,"npc")-unit(c(1,4),"lines"),

just=c("right","bottom"))

popViewport

(2)

popViewport()

 

3.6

par(mar=rep(0,4),cex=0.7)

plot.new()

plot.window(c(0.05,0.95),0:

1)

family<-c("sans","serif","mono")

face<-1:

4

for(iin1:

4)

for(jin1:

3){

par(family=family[j],lheight=1.5)

text(seq(.15,.85,length=4)[i],

seq(.25,.75,length=3)[j],

paste("family=\"",family[j],"\"\nfont=",face[i],sep=""),

font=face[i])

}

segments(.02,c(.125,.375,.625,.875),

.98,c(.125,.375,.625,.875),col="gray")

segments(.02,c(.125,.375,.625,.875)-.01,

.02,c(.125,.375,.625,.875)+.01,col="gray")

segments(.98,c(.125,.375,.625,.875)-.01,

.98,c(.125,.375,.625,.875)+.01,col="gray")

rect(c(.27,.5,.73)-.01,

.1,

c(.27,.5,.73)+.01,

.9,col="white",border=NA)

 

3.7

par(mar=rep(0,4),xaxs="i",yaxs="i",cex=0.8)

plot.new()

par(new=TRUE)

grid.rect(gp=gpar(col="gray"))

ncol<-4

nrow<-4

xadj<-c(1,0.5,NA,0)

yadj<-c(1,0.5,NA,0)

size<-unit(3,"mm")

for(iin1:

nrow){

for(jin1:

ncol){

x<-i/(nrow+1)

y<-j/(ncol+1)

xu<-unit(x,"npc")

yu<-unit(y,"npc")

grid.segments(unit.c(xu-size,xu),

unit.c(yu,yu-size),

unit.c(xu+size,xu),

unit.c(yu,yu+size),

gp=gpar(col="gray"))

text(x,y,paste("c(",xadj[j],",",yadj[i],")",sep=""),

adj=c(xadj[j],yadj[i]))

}

}

 

3.8

ncol<-6

nrow<-1

grid.rect(gp=gpar(col="gray"))

for(iin1:

nrow){

for(jin1:

ncol){

x<-unit(j/(ncol+1),"npc")

y<-unit(i/(nrow+1),"npc")

pch<-(i-1)*ncol+j-1

grid.points(x+unit(3,"mm"),y,

pch=pch,gp=gpar(fill="gray"))

grid.text(pch,x-unit(3,"mm"),y,gp=gpar(col="gray"))

}

}

 

3.9

x<--5:

5

y<--x^2+25

plottype<-function(type){

par(mar=c(1,0,1,0),pty="s")

plot.new()

plot.window(c(-6,6),c(-2,27))

box(col="gray")

points(x,y,type=type)

mtext(paste("type=\"",type,"\"",sep=""))

}

 

par(mfrow=c(3,2))

plottype("p")

plottype("l")

plottype("b")

plottype("o")

plottype("h")

plottype("s")

 

3.10

axisfun<-function(mgp=c(3,1,0),xaxs="r",tcl=-.5,

mgpcol="black",xaxscol="black",tclcol="black"){

par(mar=c(5,1,0,1),mgp=mgp,xaxs=xaxs,tcl=tcl,pty="s")

plot.new()

box(col="gray")

text(.5,.75,paste("mgp=c(",paste(mgp,collapse=","),")",sep=""),

col=mgpcol)

text(.5,.5,paste("xaxs=\"",xaxs,"\"",sep=""),

col=xaxscol)

text(.5,.25,paste("tcl=",tcl,sep=""),

col=tclcol)

axis(1,at=c(0,.5,1))

title(xlab="X-axisLabel")

}

 

par(mfrow=c(2,2))

axisfun()

axisfun(mgp=c(2,0.3,0),tcl=0.2,xaxscol="gray")

axisfun(xaxs="i",mgpcol="gray",tclcol="gray")

 

3.11

library(gridBase)

par(oma=rep(3,4))

vps<-baseViewports()

#Annotationhelperfunction

annWidth<-function(x,y,lab,above=TRUE,horiz=TRUE){

grid.arrows(x=x,y=y,

ends="both",angle=10,type="closed",

length=unit(3,"mm"),gp=gpar(fill="black"))

nl<-length(lab)

if(nl>1){

y<-y+unit(c(-0.5,0.5),"lines")

if(horiz){

vjust<-1:

0

hjust<-0.5

rot<-0

}else{

hjust<-1:

0

vjust<-0.5

rot<-90

}

}else{

hjust<-0.5

rot<-0

if(above){

y<-y+unit(0.5,"lines")

vjust<-0

}else{

y<-y-unit(0.5,"lines")

vjust<-1

}

}

grid.text(lab,

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