Find Center of Gravity of Image, after thresholding
cog(img, thresh = 0, ceil = FALSE, warn = TRUE)
Arguments
| img |
Object of class nifti |
| thresh |
threshold for image, will find img > 0 |
| ceil |
Run ceiling to force integers (usu for plotting) |
| warn |
Produce a warning if the image is empty after thresholding |
Value
Vector of length 3
Examples
dims = rep(20, 3)
x = array(rnorm(prod(dims)), dim = dims)
img = nifti(x, dim= dims,
datatype = convert.datatype()$FLOAT32, cal.min = min(x),
cal.max = max(x), pixdim = rep(1, 4))
cog(img)
#> dim1 dim2 dim3
#> 10.54665 10.50265 10.36637