def __init__(self, *args, scene_kwargs={}, **kwargs):
"""
Initialise API interaction and fetch metadata of neurons in the Allen Database.
"""
if not connected_to_internet():
raise ConnectionError(
"You will need to be connected to the internet to use the AllenMorphology class"
)
Paths.__init__(self, *args, **kwargs)
self.scene = Scene(add_root=False, display_inset=False, **scene_kwargs)
# Create a Cache for the Cell Types Cache API
self.ctc = CellTypesCache(
manifest_file=os.path.join(self.morphology_allen, 'manifest.json'))
# Get a list of cell metadata for neurons with reconstructions, download if necessary
self.neurons = pd.DataFrame(
self.ctc.get_cells(species=[CellTypesApi.MOUSE],
require_reconstruction=True))
self.n_neurons = len(self.neurons)
if not self.n_neurons:
raise ValueError(
"Something went wrong and couldn't get neurons metadata from Allen"
)
self.downloaded_neurons = self.get_downloaded_neurons()
def __init__(
self,
base_dir=None,
add_root=True,
use_cache=True,
scene_kwargs={},
**kwargs,
):
"""
Initialise the class instance to get a few useful paths and variables.
:param base_dir: str, path to base directory in which all of brainrender data are stored.
Pass only if you want to use a different one from what's default.
:param add_root: bool, if True the root mesh is added to the rendered scene
:param use_cache: if true data are loaded from a cache to speed things up.
Useful to set it to false to help debugging.
:param scene_kwargs: dict, params passed to the instance of Scene associated with this class
"""
Paths.__init__(self, base_dir=base_dir, **kwargs)
# Get MCM cache
cache_path = (Path(self.mouse_connectivity_volumetric) /
"voxel_model_manifest.json")
if not cache_path.exists():
if not connected_to_internet():
raise ValueError(
"The first time you use this class it will need to download some data, but it seems that you're not connected to the internet."
)
print(
"Downloading volumetric data. This will take several minutes but it only needs to be done once."
)
self.cache = VoxelModelCache(manifest_file=str(cache_path))
self.voxel_array = None
self.target_coords, self.source_coords = None, None
# Get projection cache paths
self.data_cache = self.mouse_connectivity_volumetric_cache
self.data_cache_projections = os.path.join(self.data_cache,
"projections")
self.data_cache_targets = os.path.join(self.data_cache, "targets")
self.data_cache_sources = os.path.join(self.data_cache, "sources")
for fold in [
self.data_cache_projections,
self.data_cache_targets,
self.data_cache_sources,
]:
if not os.path.isdir(fold):
os.mkdir(fold)
# Get structures tree
self.structure_tree = self.cache.get_structure_tree()
# Get scene
self.scene = Scene(add_root=add_root, **scene_kwargs)
# Other vars
self.use_cache = use_cache
def __init__(self,
species=None,
sex=None,
base_dir=None,
make_root=True,
**kwargs):
self.make_root = make_root
Paths.__init__(self, base_dir=base_dir, **kwargs)
# Get a list of available species
self.species_info = pd.DataFrame(
request(
f"{self._base_url}/{self._url_paths['species_info']}").json())
self.species = list(self.species_info.scientific_name.values)
# Get selected species
self.structures, self.region_names, self.region_acronyms = (
None,
None,
None,
)
self.sel_species = species
self.sex = sex
self.get_brain(species=species, sex=sex)
def __init__(self, base_dir=None, **kwargs):
"""
Handles the download of neurons morphology data from the Mouse Light project
: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
"""
Paths.__init__(self, base_dir=base_dir, **kwargs)
def __init__(self,
scene=None,
render_neurites=True,
mirror=False,
neurite_radius=None,
color_by_region=False,
force_to_hemisphere=None,
base_dir=None,
render_dendrites=True,
render_axons=True,
color_neurites=True,
axon_color=None,
soma_color=None,
dendrites_color=None,
random_color=False,
**kwargs):
"""
Set up variables used for rendering
:param scene: instance of class brainrender.Scene (Default value = None)
:param render_neurites: Bool, If true, axons and dendrites are rendered (Default value = True)
:param render_dendrites: Bool, if render neurites is true and this is false dendrites are not rendred
:param render_axons: Bool, if render neurites is true and this is false axons are not rendred
:param neurite_radius: float with radius of axons and dendrites. If None default is used. (Default value = None)
:param color_neurites: Bool, if True axons and neurites are colored differently from the soma (Default value = True)
:param mirror: Bool if True neurons are mirrored so that there is a version in each hemisphere (Default value = None)
:param soma_color: soma_color color of the neurons' soma. Also used for neurites if they are not to be colored differently (Default value = None)
:param axon_color: color of the neurons' axon. If none or False, the soma's color is used. (Default value = None)
:param dendrites_color: color of the neurons' dendrites. If none or False, the soma's color is used.(Default value = None)
:param random_color: Bool, if True a random color is used for each neuron. (Default value = False)
:param color_by_region: bool, if True, neurons are colored according to the Allen Brain Atlas color for the region the soma is in. (Default value = False)
:param force_to_hemisphere: str, if 'left' or 'right' neurons are rendered in the selected hemisphere, if False or None they are rendered in the original hemisphere. (Default value = None)
: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
"""
self.scene = scene # for the meaning of the arguments check self.render_neurons
self.render_neurites = render_neurites
self.render_dendrites = render_dendrites
self.render_axons = render_axons
self.neurite_radius = neurite_radius
self.color_neurites = color_neurites
self.axon_color = axon_color
self.soma_color = soma_color
self.dendrites_color = dendrites_color
self.random_color = random_color
self.mirror = mirror
self.color_by_region = color_by_region
self.force_to_hemisphere = force_to_hemisphere
Paths.__init__(self, base_dir=base_dir, **kwargs)
# Load cache metadata
self.cache_metadata = load_json(self.morphology_cache_metadata)
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, atlas_name, *args, base_dir=None, **kwargs):
# Create brainglobe atlas
BrainGlobeAtlas.__init__(self, *args, atlas_name=atlas_name, **kwargs)
# Add brainrender paths
Paths.__init__(self, base_dir=base_dir, **kwargs)
self.meshes_folder = (
None # where the .obj mesh for each region is saved
)
# If it's a mouse atlas, add extra functionality
if "Mus musculus" == self.metadata["species"]:
ABA.__init__(self)
def __init__(self, atlas_name, *args, base_dir=None, **kwargs):
# Create brainglobe atlas
BrainGlobeAtlas.__init__(
self, *args, atlas_name=atlas_name, print_authors=False, **kwargs
)
# Add brainrender paths
Paths.__init__(self, base_dir=base_dir, **kwargs)
Enhanced.__init__(self)
# If it's a mouse atlas, add extra functionality
if "Mus musculus" == self.metadata["species"]:
ABA.__init__(self)
def __init__(self, data_folder=None, base_dir=None, **kwargs):
"""
This class handles loading and parsing neuroanatomical data for the C. elegans connectome from
https://www.biorxiv.org/content/10.1101/2020.04.30.066209v1
: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
:param data_folder: str, path to a folder with data for the connectome # TODO replace with downloading data
"""
# Initialise atlas
Paths.__init__(self, base_dir, **kwargs)
# Get data
if data_folder is None:
raise ValueError(
"No data folder was passed, use the 'atlas_kwargs' argument of Scene to pass a data folder path"
)
if not os.path.isdir(data_folder):
raise FileNotFoundError(f"The folder {data_folder} does not exist")
self.data_folder = data_folder
self._get_data()
def __init__(self, base_dir=None, **kwargs):
"""
Set up file paths
: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
"""
# Specify atlas specific paths
Paths.__init__(self, base_dir=base_dir, **kwargs)
self.meshes_folder = None # where the .obj mesh for each region is saved
# Get some atlas specific data
# ! REPLACE these in the init method of your atlas
self.annotated_volume = None
# A 3d image with a scalar label at each region indicating
# which brain region each voxel corresponds to
self.regions = None
# list of all regions in the atlas
self.region_acronyms = None