fetch_neuromaps_annotation: Download a neuromaps annotation

In neuromapr: Spatial Null Models and Transforms for Brain Map Comparison

Download a neuromaps annotation

Description

Download brain map annotation files from the neuromaps OSF repository. Surface annotations return two files (left and right hemispheres), volume annotations return one.

Usage

fetch_neuromaps_annotation(
  source,
  desc,
  space,
  density = NULL,
  resolution = NULL,
  hemisphere = NULL,
  data_dir = neuromaps_cache_dir(),
  overwrite = FALSE,
  verbose = TRUE
)

Arguments

source	Data source identifier (e.g. "abagen", "beliveau").
desc	Map descriptor key (e.g. "genepc1", "feobv").
space	Coordinate space (e.g. "fsaverage", "MNI152", "fsLR").
density	Surface vertex density (e.g. "10k", "164k"). Mutually exclusive with resolution.
resolution	Volume voxel resolution (e.g. "1mm", "2mm"). Mutually exclusive with density.
hemisphere	Hemisphere ("L" or "R").
data_dir	Directory for cached downloads. Defaults to neuromaps_cache_dir().
overwrite	Re-download even if cached file exists.
verbose	Print progress messages.

Value

Character vector of downloaded file path(s).

Examples

fetch_neuromaps_annotation("abagen", "genepc1", "fsaverage", density = "10k")

neuromapr documentation built on Feb. 27, 2026, 5:08 p.m.