Nothing
check_wb <- function() {
if (is.null(ciftiTools.getOption("wb_path"))) {
skip("Connectome Workbench is not available.")
}
}
test_that("Writing CIFTI and GIFTI files is working", {
check_wb()
tdir <- tempdir()
fnames <- ciftiTools.files()
for (cii_fname in fnames$cifti) {
cat("\n\n"); cat(cii_fname); cat("\n\n")
# Read the CIFTI
cii_info <- info_cifti(cii_fname)
brainstructures <- cii_info$cifti$brainstructures
cii <- read_cifti(cii_fname, brainstructures=brainstructures)
cii_fname2 <- file.path(tdir, paste0("temp.", ciftiTools:::get_cifti_extn(cii_fname)))
# Write and read back in
write_cifti(cii, cii_fname2)
stopifnot(file.exists(cii_fname2))
cii2 <- read_cifti(cii_fname2, brainstructures=brainstructures)
# Check if same
# (Some metadata will be different)
ciftiTools:::expect_equal_xifti(cii, cii2)
write_cifti(cii, file.path(tdir, "temp")) # intent is not provided in name
write_xifti2(cii, write_dir = tdir)
write_xifti2(cii, brainstructures="l", write_dir = tdir, verbose=TRUE)
# Write separate components
cii_sep <- separate_cifti(cii_fname, write_dir=tdir, brainstructures=brainstructures)
parts <- list()
# Put back together
if ("left" %in% brainstructures) {
parts <- c(
parts,
list(
cortexL = cii_sep["cortexL"],
cortexL_mwall = cii_sep["ROIcortexL"]
)
)
}
if ("right" %in% brainstructures) {
parts <- c(
parts,
list(
cortexR = cii_sep["cortexR"],
cortexR_mwall = cii_sep["ROIcortexR"]
)
) }
if ("subcortical" %in% brainstructures) {
parts <- c(
parts,
list(
subcortVol = cii_sep["subcortVol"],
subcortLabs = cii_sep["subcortLabs"],
subcortMask = cii_sep["ROIsubcortVol"]
)
)
}
cii2 <- do.call(ciftiTools:::make_xifti, c(parts, list(mwall_values=NULL)))
# Check if same
# (Some metadata will be different)
ciftiTools:::expect_equal_xifti(cii, cii2)
# Remove subcort and test `read_xifti2`
cii_sep <- as.list(cii_sep[!grepl("subcort", names(cii_sep))])
names(cii_sep)[names(cii_sep) == "ROIcortexL"] <- "cortexL_mwall"
names(cii_sep)[names(cii_sep) == "ROIcortexR"] <- "cortexR_mwall"
cii2 <- do.call(read_xifti2, cii_sep[1])
cii2 <- do.call(read_xifti2, cii_sep)
cii2 <- do.call(read_xifti2, c(cii_sep[1], list(resamp_res=1000)))
cii2 <- do.call(read_xifti2, c(cii_sep, list(resamp_res=1000, surfL=ciftiTools.files()$surf["left"])))
}
# Writing surfaces
surfL <- make_surf(fnames$surf["left"])
surfR <- make_surf(fnames$surf["right"])
surfL_fname2 <- file.path(tdir, "temp_L.surf.gii")
surfR_fname2 <- file.path(tdir, "temp_R.surf.gii")
write_surf_gifti(surfL, surfL_fname2, hemisphere="left")
write_surf_gifti(surfR, surfR_fname2, hemisphere="right")
expect_equal(surfL, make_surf(surfL_fname2))
expect_equal(surfR, make_surf(surfR_fname2))
})
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