Source code for cortex.mapper
import os
import numpy as np
from .. import dataset
from .mapper import Mapper, _savecache
from .utils import nanproject, vol2surf
[docs]
def get_mapper(subject, xfmname, type='nearest', recache=False, **kwargs):
from ..database import db
from . import point, patch, line
mapcls = dict(
nearest=point.PointNN,
trilinear=point.PointTrilin,
gaussian=point.PointGauss,
lanczos=point.PointLanczos,
const_patch_nn=patch.ConstPatchNN,
const_patch_trilin=patch.ConstPatchTrilin,
const_patch_lanczos=patch.ConstPatchLanczos,
line_nearest=line.LineNN,
line_trilinear=line.LineTrilin,
line_lanczos=line.LineLanczos)
Map = mapcls[type]
ptype = Map.__name__.lower()
kwds ='_'.join(['%s%s'%(k,str(v)) for k, v in list(kwargs.items())])
if len(kwds) > 0:
ptype += '_'+kwds
fname = "{xfmname}_{projection}.npz".format(xfmname=xfmname, projection=ptype)
xfmfile = db.get_paths(subject)['xfmdir'].format(xfmname=xfmname)
cachefile = os.path.join(db.get_cache(subject), fname)
try:
if not recache and (xfmname == "identity" or os.stat(cachefile).st_mtime > os.stat(xfmfile).st_mtime):
return Map.from_cache(cachefile, subject, xfmname)
raise Exception
except Exception:
return Map._cache(cachefile, subject, xfmname, **kwargs)