indexToGrid {neuroim}

Generic function to convert 1D indices to N-dimensional grid coordinates

Description

Generic function to convert 1D indices to N-dimensional grid coordinates

Usage

indexToGrid(x, idx)

## S4 method for signature 'BrainSlice,index'
indexToGrid(x, idx)

## S4 method for signature 'BrainSpace,index'
indexToGrid(x, idx)

## S4 method for signature 'BrainVector,index'
indexToGrid(x, idx)

## S4 method for signature 'BrainVolume,index'
indexToGrid(x, idx)

Arguments

x

the object

idx

the 1D vector of indices

Value

a matrix of grid coordinates

Examples

 
 bvol <- BrainVolume(array(0, c(10,10,10)), BrainSpace(c(10,10,10), c(1,1,1)))
 idx <- 1:10
 g <- indexToGrid(bvol, idx)
 bvol[g]