def __init__(self):
# get mouse connectivity cache and structure tree
self.mcc = MouseConnectivityCache(manifest_file=os.path.join(
self.mouse_connectivity_cache, "manifest.json"))
self.structure_tree = self.mcc.get_structure_tree()
# get ontologies API and brain structures sets
self.oapi = OntologiesApi()
# get reference space
self.space = ReferenceSpaceApi()
self.spacecache = ReferenceSpaceCache(
manifest=os.path.join(
self.annotated_volume_fld, "manifest.json"
), # downloaded files are stored relative to here
resolution=int(self.resolution[0]),
reference_space_key=
"annotation/ccf_2017", # use the latest version of the CCF
)
self.annotated_volume, _ = self.spacecache.get_annotation_volume()
# mouse connectivity API [used for tractography]
self.mca = MouseConnectivityApi()
# Get tree search api
self.tree_search = TreeSearchApi()
def __init__(self,
projection_metric="projection_energy",
base_dir=None,
**kwargs):
"""
Set up file paths and Allen SDKs
:param base_dir: path to directory to use for saving data (default value None)
:param path_fiprojection_metricle: - str, metric to quantify the strength of projections from the Allen Connectome. (default value 'projection_energy')
:param kwargs: can be used to pass path to individual data folders. See brainrender/Utils/paths_manager.py
"""
Paths.__init__(self, base_dir=base_dir, **kwargs)
self.projection_metric = projection_metric
# get mouse connectivity cache and structure tree
self.mcc = MouseConnectivityCache(manifest_file=os.path.join(
self.mouse_connectivity_cache, "manifest.json"))
self.structure_tree = self.mcc.get_structure_tree()
# get ontologies API and brain structures sets
self.oapi = OntologiesApi()
self.get_structures_sets()
# get reference space
self.space = ReferenceSpaceApi()
self.spacecache = ReferenceSpaceCache(
manifest=os.path.join(
self.annotated_volume, "manifest.json"
), # downloaded files are stored relative to here
resolution=self.resolution,
reference_space_key=
"annotation/ccf_2017" # use the latest version of the CCF
)
self.annotated_volume, _ = self.spacecache.get_annotation_volume()
# mouse connectivity API [used for tractography]
self.mca = MouseConnectivityApi()
# Get tree search api
self.tree_search = TreeSearchApi()
# Get some metadata about experiments
self.all_experiments = self.mcc.get_experiments(dataframe=True)
self.strains = sorted(
[x for x in set(self.all_experiments.strain) if x is not None])
self.transgenic_lines = sorted(
set([
x for x in set(self.all_experiments.transgenic_line)
if x is not None
]))
def __init__(self, resolution, reference_space_key, **kwargs):
if not 'version' in kwargs:
kwargs['version'] = self.MANIFEST_VERSION
if not 'base_uri' in kwargs:
kwargs['base_uri'] = None
super(ReferenceSpaceCache, self).__init__(**kwargs)
self.resolution = resolution
self.reference_space_key = reference_space_key
self.api = ReferenceSpaceApi(base_uri=kwargs['base_uri'])
def __init__(self, projection_metric="projection_energy", paths_file=None):
""" path_file {[str]} -- [Path to a YAML file specifying paths to data folders, to replace default paths] (default: {None}) """
Paths.__init__(self, paths_file=paths_file)
self.projection_metric = projection_metric
# get mouse connectivity cache and structure tree
self.mcc = MouseConnectivityCache(manifest_file=os.path.join(
self.mouse_connectivity_cache, "manifest.json"))
self.structure_tree = self.mcc.get_structure_tree()
# get ontologies API and brain structures sets
self.oapi = OntologiesApi()
self.get_structures_sets()
# get reference space
self.space = ReferenceSpaceApi()
self.spacecache = ReferenceSpaceCache(
manifest=os.path.join(
"Data/ABA", "manifest.json"
), # downloaded files are stored relative to here
resolution=self.resolution,
reference_space_key=
"annotation/ccf_2017" # use the latest version of the CCF
)
self.annotated_volume, _ = self.spacecache.get_annotation_volume()
# mouse connectivity API [used for tractography]
self.mca = MouseConnectivityApi()
# Get tree search api
self.tree_search = TreeSearchApi()
# Get some metadata about experiments
self.all_experiments = self.mcc.get_experiments(dataframe=True)
self.strains = sorted(
[x for x in set(self.all_experiments.strain) if x is not None])
self.transgenic_lines = sorted(
set([
x for x in set(self.all_experiments.transgenic_line)
if x is not None
]))
def __init__(self, base_dir=None, **kwargs):
"""
Set up file paths and Allen SDKs
:param base_dir: path to directory to use for saving data (default value None)
:param kwargs: can be used to pass path to individual data folders. See brainrender/Utils/paths_manager.py
"""
Atlas.__init__(self, base_dir=base_dir, **kwargs)
self.meshes_folder = self.mouse_meshes # where the .obj mesh for each region is saved
# get mouse connectivity cache and structure tree
self.mcc = MouseConnectivityCache(manifest_file=os.path.join(self.mouse_connectivity_cache, "manifest.json"))
self.structure_tree = self.mcc.get_structure_tree()
# get ontologies API and brain structures sets
self.oapi = OntologiesApi()
self.get_structures_sets()
# get reference space
self.space = ReferenceSpaceApi()
self.spacecache = ReferenceSpaceCache(
manifest=os.path.join(self.annotated_volume_fld, "manifest.json"), # downloaded files are stored relative to here
resolution=self.resolution,
reference_space_key="annotation/ccf_2017" # use the latest version of the CCF
)
self.annotated_volume, _ = self.spacecache.get_annotation_volume()
# mouse connectivity API [used for tractography]
self.mca = MouseConnectivityApi()
# Get tree search api
self.tree_search = TreeSearchApi()
# Store all regions metadata [If there's internet connection]
if self.other_sets is not None:
self.regions = self.other_sets["Structures whose surfaces are represented by a precomputed mesh"].sort_values('acronym')
self.region_acronyms = list(self.other_sets["Structures whose surfaces are represented by a precomputed mesh"].sort_values(
'acronym').acronym.values)
# Download structures tree and meshes:
######################################
oapi = OntologiesApi() # ontologies
struct_tree = spacecache.get_structure_tree() # structures tree
# Find id of set of regions with mesh:
select_set = "Structures whose surfaces are represented by a precomputed mesh"
all_sets = pd.DataFrame(oapi.get_structure_sets())
mesh_set_id = all_sets[all_sets.description == select_set].id.values[0]
structs_with_mesh = struct_tree.get_structures_by_set_id([mesh_set_id])
meshes_dir = (save_dir / "meshes") # directory to save meshes into
space = ReferenceSpaceApi()
for s in structs_with_mesh:
name = s["id"]
try:
space.download_structure_mesh(structure_id=s["id"],
ccf_version="annotation/ccf_2017",
file_name=meshes_dir / f"{name}.obj")
except (exceptions.HTTPError, ConnectionError):
print(s)
# Loop over structures, remove entries not used in brainglobe:
for struct in structs_with_mesh:
[struct.pop(k) for k in ["graph_id", "structure_set_ids"]]
with open(save_dir / "structures.json", "w") as f:
json.dump(structs_with_mesh, f)
import nibabel as nib # pip install nibabel, if nibabel is not already installed import numpy as np from allensdk.api.queries.reference_space_api import ReferenceSpaceApi from allensdk.config.manifest import Manifest # the annotation download writes a file, so we will need somwhere to put it annotation_dir = 'annotation' Manifest.safe_mkdir(annotation_dir) annotation_path = os.path.join(annotation_dir, 'annotation.nrrd') # this is a string which contains the name of the latest ccf version annotation_version = ReferenceSpaceApi.CCF_VERSION_DEFAULT # download annotations mcapi = ReferenceSpaceApi() mcapi.download_annotation_volume(annotation_version, 50, annotation_path) annotation = nrrd.read(annotation_path) # read nrrd data and header _nrrd = nrrd.read(annotation_path) data = _nrrd[0] header = _nrrd[1] # create header and for RAS orientation space_value = header['space directions'] affine = np.eye(4) * 0.001 * space_value[0, 0] affine[3][3] = 1 # ensure RAS orientation data = np.swapaxes(data, 2, 0) data = np.flip(data, 2)