index_to_coord {neuroim2} | R Documentation |
convert 1d indices to n-dimensional real world coordinates
Description
convert 1d indices to n-dimensional real world coordinates
Usage
index_to_coord(x, idx)
## S4 method for signature 'NeuroSpace,numeric'
index_to_coord(x, idx)
## S4 method for signature 'NeuroSpace,integer'
index_to_coord(x, idx)
## S4 method for signature 'NeuroVol,integer'
index_to_coord(x, idx)
## S4 method for signature 'NeuroVec,integer'
index_to_coord(x, idx)
Arguments
x |
the object |
idx |
the 1D indices |
Value
A numeric matrix
of real-world coordinates.
Examples
bvol <- NeuroVol(array(0, c(10,10,10)), NeuroSpace(c(10,10,10), c(1,1,1)))
idx <- 1:10
g <- index_to_coord(bvol, idx)
idx2 <- coord_to_index(bvol, g)
all.equal(idx, idx2)
[Package neuroim2 version 0.8.1 Index]