def apply(self, femesh, field, time=None, singleFieldDef=False):
if singleFieldDef:
# The purpose of calling node.fieldDefCount is to ensure
# that we don't set the value of a field that is defined
# in more than one subproblem when that field gets defined
# on the second subproblem. Doing so would wipe out a
# value that might have been set by the first subproblem.
fniter = femesh.funcnode_iterator()
while not fniter.end():
node = fniter.node()
if node.fieldDefCount(field) == 1:
position = node.position()
for i in range(field.ndof()): # field component
field.setvalue(femesh, node, i,
self.func(position, time, i))
fniter.next()
else:
fniter = femesh.funcnode_iterator()
while not fniter.end():
node = fniter.node()
if node.hasField(field):
position = node.position()
for i in range(field.ndof()): # field component
field.setvalue(femesh, node, i,
self.func(position, time, i))
fniter.next()
def apply(self, femesh, field, time=None, singleFieldDef=False):
if singleFieldDef:
# The purpose of calling node.fieldDefCount is to ensure
# that we don't set the value of a field that is defined
# in more than one subproblem when that field gets defined
# on the second subproblem. Doing so would wipe out a
# value that might have been set by the first subproblem.
fniter = femesh.funcnode_iterator()
while not fniter.end():
node = fniter.node()
if node.fieldDefCount(field)==1:
position = node.position()
for i in range(field.ndof()): # field component
field.setvalue(femesh, node, i,
self.func(position, time, i))
fniter.next()
else:
fniter = femesh.funcnode_iterator()
while not fniter.end():
node = fniter.node()
if node.hasField(field):
position = node.position()
for i in range(field.ndof()): # field component
field.setvalue(femesh, node, i,
self.func(position, time, i))
fniter.next()
def writeFields(dfile, meshcontext):
# Field values
# fields = ["Displacement", "Temperature"] : ListOfStrings
# field_values = [(node_index, fvalue0, fvalue1, fvalue2), ....]
# : ListOfTuplesOfIntFloats
# When a Mesh is created from a Skeleton, its nodes are created in
# some (seemingly) arbitrary order, which depends on the order of
# the nodes and elements in the Skeleton and on the way in which
# Skeleton and SkeletonElement conspire to build the Mesh. The
# order in which the Field values are saved in the data file
# depends on the order of the Mesh nodes, which depends on this
# confusing creation history. But everything is ok, because
# Meshes are *always* created from Skeletons, and always created
# the same way. As long as the Skeleton in the Mesh file has been
# saved with its nodes in the right order, the Mesh will be
# created with its nodes in the right order, and the data file
# will list the Fields in the right order.
# Since different Nodes may contain different sets of Fields
# (being in different sets of SubProblems), we need to list which
# Fields are defined at each Node. It's not sufficient to use the
# SubProblem data for this, because Fields may be defined in more
# than one SubProblem on a Node. So we need to save a list of
# Fields for each Node, but in order to save space in the data
# file, we first create sets of Nodes that contain the same
# Fields. Then the list of Fields just has to be saved once for
# each set of Nodes. The Fields defined on a Node are determined
# by the Node's FieldSet, so we can use the fieldSetID.
femesh = meshcontext.getObject()
ids, nodesets = getNodeSets(femesh)
for fieldsetID in ids:
nodelist = nodesets[fieldsetID]
fieldnames = femesh.getFieldSetByID(fieldsetID)
fieldnames.sort()
fields = [getFieldObj(name) for name in fieldnames]
values = []
for node in nodelist:
fv = [node.index()]
for field in fields:
for i in range(field.ndof()):
fv.append(field.value(femesh, node, i))
values.append(tuple(fv))
## TODO: figure out what's wrong with this version, and if it's faster
## when fixed:
# values = [
# tuple(
# [node.index()] + [field.value(femesh, node, i)
# for i in range(field.ndof())
# for field in fields]
# )
# for node in nodelist]
dfile.startCmd(meshmenu.Load_Field)
dfile.argument('mesh', meshcontext.path())
dfile.argument('fields', fieldnames)
dfile.argument('field_values', values)
dfile.endCmd()
def writeFields(dfile, meshcontext):
# Field values
# fields = ["Displacement", "Temperature"] : ListOfStrings
# field_values = [(node_index, fvalue0, fvalue1, fvalue2), ....]
# : ListOfTuplesOfIntFloats
# When a Mesh is created from a Skeleton, its nodes are created in
# some (seemingly) arbitrary order, which depends on the order of
# the nodes and elements in the Skeleton and on the way in which
# Skeleton and SkeletonElement conspire to build the Mesh. The
# order in which the Field values are saved in the data file
# depends on the order of the Mesh nodes, which depends on this
# confusing creation history. But everything is ok, because
# Meshes are *always* created from Skeletons, and always created
# the same way. As long as the Skeleton in the Mesh file has been
# saved with its nodes in the right order, the Mesh will be
# created with its nodes in the right order, and the data file
# will list the Fields in the right order.
# Since different Nodes may contain different sets of Fields
# (being in different sets of SubProblems), we need to list which
# Fields are defined at each Node. It's not sufficient to use the
# SubProblem data for this, because Fields may be defined in more
# than one SubProblem on a Node. So we need to save a list of
# Fields for each Node, but in order to save space in the data
# file, we first create sets of Nodes that contain the same
# Fields. Then the list of Fields just has to be saved once for
# each set of Nodes. The Fields defined on a Node are determined
# by the Node's FieldSet, so we can use the fieldSetID.
femesh = meshcontext.getObject()
ids, nodesets = getNodeSets(femesh)
for fieldsetID in ids:
nodelist= nodesets[fieldsetID]
fieldnames = femesh.getFieldSetByID(fieldsetID)
fieldnames.sort()
fields = [getFieldObj(name) for name in fieldnames]
values = []
for node in nodelist:
fv = [node.index()]
for field in fields:
for i in range(field.ndof()):
fv.append(field.value(femesh, node, i))
values.append(tuple(fv))
## TODO: figure out what's wrong with this version, and if it's faster
## when fixed:
# values = [
# tuple(
# [node.index()] + [field.value(femesh, node, i)
# for i in range(field.ndof())
# for field in fields]
# )
# for node in nodelist]
dfile.startCmd(meshmenu.Load_Field)
dfile.argument('mesh', meshcontext.path())
dfile.argument('fields', fieldnames)
dfile.argument('field_values', values)
dfile.endCmd()
def _loadFieldValues(menuitem, mesh, fields, field_values):
meshctxt = ooflib.engine.mesh.meshes[mesh]
femesh = meshctxt.getObject()
fieldlist = [getFieldObj(fld) for fld in fields] # get objects from names
for fv in field_values:
index = fv[0]
node = femesh.getNode(index)
pointer = 1
for field in fieldlist:
for i in range(field.ndof()):
field.setvalue(femesh, node, i, fv[pointer])
pointer += 1
# Field values can change the appearance of a newly-loaded mesh.
switchboard.notify("mesh data changed", meshctxt)
switchboard.notify("redraw")
def _loadFieldValues(menuitem, mesh, fields, field_values):
meshctxt = ooflib.engine.mesh.meshes[mesh]
femesh = meshctxt.getObject()
fieldlist = [getFieldObj(fld) for fld in fields] # get objects from names
for fv in field_values:
index = fv[0]
node = femesh.getNode(index)
pointer = 1
for field in fieldlist:
for i in range(field.ndof()):
field.setvalue(femesh, node, i, fv[pointer])
pointer += 1
# Field values can change the appearance of a newly-loaded mesh.
switchboard.notify("mesh data changed", meshctxt)
switchboard.notify("redraw")
