Nothing
rsplot <- function(x, y=NULL, factorsecondbag=2, mring=T,...)
{
len = length(x)
if( is.null(y) ) {
if(!is.matrix(x)) stop ("first argument pt must be a 2 dimensional matrix");
x1=as.double(x[,1])
y=as.double(x[,2])
x=x1;
len=len/2;
}
pt=cbind(x,y);
m=len;
plot(x,y,pch='.',...)
m1 = .C("rs_depthrings",
xpoints=as.double(pt[,1]),
ypoints=as.double(pt[,2]),
outx=double(len),
outy=double(len),
sz=as.integer(len),
PACKAGE = "rsdepth");
x=m1$outx[(1+m/2):m]
y=m1$outy[(1+m/2):m]
cbag=convexhull(x,y)
#y=matrix(y,nc=2);
inflatedcbag=inflate(cbag,factor=factorsecondbag);
x=pt[,1]
y=pt[,2]
k = chull(pt[,1],pt[,2]);
chbag = .C("polygonintersection",
p1X=as.double(x[k]), p1Y=as.double(y[k]),
p2X=as.double(inflatedcbag[,1]), p2Y=as.double(inflatedcbag[,2]),
p3X=double( 2*(length(k)+length(inflatedcbag)) ), p3Y=double( 2*(length(k)+length(inflatedcbag)) ),
n=as.integer(length(k) ),
m=as.integer(length(inflatedcbag[,1]) ),
p=integer(c(1)),
PACKAGE = "rsdepth");
k= chull( chbag$p3X[1:chbag$p], chbag$p3Y[1:chbag$p] );
#print(chbag$p3X)
#print("two")
#print(chbag$p3X[k])
#print("three")
#print(k)
polygon(chbag$p3X[k],chbag$p3Y[k],col="#737CA1")
polygon(cbag[,1],cbag[,2],col="#43C6DB")
if(mring==T)
{
rtvalue = .C("rs_getcenter",
ptX=as.double(x), ptY=as.double(y),
num=as.integer(len),
center=double( (len)^4 ), cSize=integer(c(1)),
PACKAGE = "rsdepth");
center = matrix(rtvalue$center[1:(rtvalue$cSize)],ncol=2,byrow=TRUE)
cent=convexhull(center[,1],center[,2]);
#print(rtvalue$cSize)
polygon(cent[,1],cent[,2],col="#151B8D");
md=centroid(cent[,1],cent[,2])
points(x,y,pch=20,...)
points(md[1],md[2],pch=20,col='red')
}
else
{
points(x,y,pch=20,...)
points(m1$outx[m],m1$outy[m],pch=20,col="red")
}
}
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