require(RnavGraph)
require(RnavGraphImageData)
require(RDRToolbox)

data(frey)

## LLE
d_low <- LLE(t(frey),dim=5,k=12)

## Images
## sample a few

sel <- seq(1,dim(frey)[2],3)
# 1:dim(frey)[2] #sample(1:dim(frey)[2],600, replace = FALSE)
ng.frey <- ng_image_array_gray('Brendan_Frey',frey[,sel],28,20, img_in_row = FALSE, rotate = 90)
ng.frey

V <- mapply(function(x){paste("i",x,sep="")},1:5)

ng.lle.frey <- ng_data(name = "ISO_frey",
              				data = data.frame(d_low[sel,]),
 					shortnames = V)
 			

#nav <- scagNav(ng.lle.frey,c("Clumpy","Outlying","Skewed","Monotonic", "Striated"),
#		images=ng.frey)

G <- completegraph(V)

LG <- linegraph(G)
LGnot <- complement(LG)

ng.LG <- ng_graph("3d frey", LG)
ng.LGnot <- ng_graph("4d frey", LGnot)

viz3d <- ng_2d(ng.lle.frey,ng.LG, images = ng.frey)
viz4d <- ng_2d(ng.lle.frey,ng.LGnot, images = ng.frey)

nav <- navGraph(ng.lle.frey,list(ng.LG,ng.LGnot),list(viz3d,viz4d))