def save_mappings(self):
"""
Save current reference mappings to `mappings0` attribute.
"""
import sfepy.base.multiproc as multi
if multi.is_remote_dict(self.mappings0):
for k, v in six.iteritems(self.mappings):
m, _ = self.mappings[k]
nv = (m.bf, m.bfg, m.det, m.volume, m.normal)
self.mappings0[k] = nv
else:
self.mappings0 = self.mappings.copy()
def save_mappings(self):
"""
Save current reference mappings to `mappings0` attribute.
"""
import sfepy.base.multiproc as multi
if multi.is_remote_dict(self.mappings0):
for k, v in six.iteritems(self.mappings):
m, _ = self.mappings[k]
nv = (m.bf, m.bfg, m.det, m.volume, m.normal)
self.mappings0[k] = nv
else:
self.mappings0 = self.mappings.copy()
def get_mapping(self,
region,
integral,
integration,
get_saved=False,
return_key=False):
"""
For given region, integral and integration type, get a reference
mapping, i.e. jacobians, element volumes and base function
derivatives for Volume-type geometries, and jacobians, normals
and base function derivatives for Surface-type geometries
corresponding to the field approximation.
The mappings are cached in the field instance in `mappings`
attribute. The mappings can be saved to `mappings0` using
`Field.save_mappings`. The saved mapping can be retrieved by
passing `get_saved=True`. If the required (saved) mapping
is not in cache, a new one is created.
Returns
-------
geo : CMapping instance
The reference mapping.
mapping : VolumeMapping or SurfaceMapping instance
The mapping.
key : tuple
The key of the mapping in `mappings` or `mappings0`.
"""
import sfepy.base.multiproc as multi
key = (region.name, integral.order, integration)
if get_saved:
out = self.mappings0.get(key, None)
if multi.is_remote_dict(self.mappings0) and out is not None:
m, i = self.create_mapping(region, integral, integration)
m.bf[:], m.bfg[:], m.det[:], m.volume[:] = out[0:4]
if m.normal is not None:
m.normal[:] = m[4]
out = m, i
else:
out = self.mappings.get(key, None)
if out is None:
out = self.create_mapping(region, integral, integration)
self.mappings[key] = out
if return_key:
out = out + (key, )
return out
def get_mapping(self, region, integral, integration,
get_saved=False, return_key=False):
"""
For given region, integral and integration type, get a reference
mapping, i.e. jacobians, element volumes and base function
derivatives for Volume-type geometries, and jacobians, normals
and base function derivatives for Surface-type geometries
corresponding to the field approximation.
The mappings are cached in the field instance in `mappings`
attribute. The mappings can be saved to `mappings0` using
`Field.save_mappings`. The saved mapping can be retrieved by
passing `get_saved=True`. If the required (saved) mapping
is not in cache, a new one is created.
Returns
-------
geo : CMapping instance
The reference mapping.
mapping : VolumeMapping or SurfaceMapping instance
The mapping.
key : tuple
The key of the mapping in `mappings` or `mappings0`.
"""
import sfepy.base.multiproc as multi
key = (region.name, integral.order, integration)
if get_saved:
out = self.mappings0.get(key, None)
if multi.is_remote_dict(self.mappings0) and out is not None:
m, i = self.create_mapping(region, integral, integration)
m.bf[:], m.bfg[:], m.det[:], m.volume[:] = out[0:4]
if m.normal is not None:
m.normal[:] = m[4]
out = m, i
else:
out = self.mappings.get(key, None)
if out is None:
out = self.create_mapping(region, integral, integration)
self.mappings[key] = out
if return_key:
out = out + (key,)
return out