.brainglobe), with one directory per atlas e.g. /home/username/.brainglobe/allen_mouse_10um_v0.3).reference.tiff The "template" brain image, i.e. a structural image of the brain (or average of brains) in which the annotations are definedannotation.tiff An image of the same shape as reference.tiff but in which each pixel value corresponds to a unique brain area. A pixel value of 0 typically refers to areas outside the brainmeshes A directory of mesh files (as .obj) for each brain region, defined by the unique region IDstructures.json A file describing the mapping of brain region ID to region name, and the hierarchy of brain structuresmetadata.json A file containing the atlas metadata, such as the shape of the images, the anatomical orientation, and the details of the source of the atlasREADME.txt A human readable version of the metadata and brain region hierarchies