def add_fem(ifc_file, part):
"""
:param ifc_file:
:param part:
:type part: ada.Part
:return:
"""
from itertools import groupby
from operator import attrgetter
from ada.fem import ElemShapes
ifc_file.createIfcStructuralAnalysisModel(
create_guid(),
ifc_file.by_type("IfcOwnerHistory")[0],
"Structural Analysis",
"Example analysis",
".NOTDEFINED.",
"LOADING_3D",
)
fem = part.fem
for el_type, elements in groupby(fem.elements, key=attrgetter("type")):
if el_type in ElemShapes.beam:
for elem in elements:
# TODO: add_fem_elem_beam(elem, parent)
pass
def to_ifc_fem(fem, f):
"""
:param fem:
:param f:
:type fem: ada.fem.FEM
:type f: ifcopenshell.file.file
:return:
"""
from ada.core.ifc_utils import create_global_axes, create_reference_subrep
owner_history = f.by_type("IfcOwnerHistory")[0]
f.create_entity(
"IfcStructuralAnalysisModel",
create_guid(),
owner_history,
fem.name,
"ADA FEM model",
".NOTDEFINED.",
"LOADING_3D",
)
subref = create_reference_subrep(f, create_global_axes(f))
for el_type, elements in groupby(fem.elements, key=attrgetter("type")):
if el_type in ElemShapes.beam:
for elem in elements:
elem_to_ifc(elem, f, subref)
logging.error("Note! IFC FEM export is Work in progress")
def elem_to_ifc(elem, f, subref):
"""
:param elem:
:param f:
:type elem: ada.fem.Elem
:type f: ifcopenshell.file.file
:return:
"""
from ada.core.ifc_utils import create_local_placement, ifc_p, to_real
local_z = f.createIfcDirection(to_real(elem.fem_sec.local_z))
p1 = elem.nodes[0].p
p2 = elem.nodes[-1].p
edge = f.createIfcEdge(f.createIfcVertexPoint(ifc_p(f, p1)), f.createIfcVertexPoint(ifc_p(f, p2)))
edge_topology_rep = f.createIfcTopologyRepresentation(subref["reference"], "Reference", "Edge", (edge,))
edge_prod_def_shape = f.createIfcProductDefinitionShape(None, None, (edge_topology_rep,))
owner_history = f.by_type("IfcOwnerHistory")[0]
ifc_stru_member = f.create_entity(
"IfcStructuralCurveMember",
create_guid(),
owner_history,
f"E{elem.name}",
None,
None,
create_local_placement(f),
edge_prod_def_shape,
"RIGID_JOINED_MEMBER",
local_z,
)
return ifc_stru_member
def add_negative_extrusion(f, origin, loc_z, loc_x, depth, points, parent):
"""
:param f:
:param origin:
:param loc_z:
:param loc_x:
:param depth:
:param points:
:param parent:
:return:
"""
context = f.by_type("IfcGeometricRepresentationContext")[0]
owner_history = f.by_type("IfcOwnerHistory")[0]
# Create and associate an opening for the window in the wall
opening_placement = create_ifclocalplacement(f, origin, loc_z, loc_x, parent.ObjectPlacement)
opening_axis_placement = create_ifcaxis2placement(f, origin, loc_z, loc_x)
polyline = create_ifcpolyline(f, points)
ifcclosedprofile = f.createIfcArbitraryClosedProfileDef("AREA", None, polyline)
opening_solid = create_ifcextrudedareasolid(f, ifcclosedprofile, opening_axis_placement, loc_z, depth)
opening_representation = f.createIfcShapeRepresentation(context, "Body", "SweptSolid", [opening_solid])
opening_shape = f.createIfcProductDefinitionShape(None, None, [opening_representation])
opening_element = f.createIfcOpeningElement(
create_guid(),
owner_history,
"Opening",
"Door opening",
None,
opening_placement,
opening_shape,
None,
)
f.createIfcRelVoidsElement(create_guid(), owner_history, None, None, parent, opening_element)
return opening_element
def __init__(self,
name,
guid=None,
metadata=None,
units="m",
parent=None,
ifc_settings=None):
self.name = name
self.parent = parent
self._ifc_settings = ifc_settings
from ada.core.utils import create_guid
self.guid = create_guid() if guid is None else guid
units = units.lower()
if units not in _Settings.valid_units:
raise ValueError(f'Unit type "{units}"')
self._units = units
self._metadata = metadata if metadata is not None else dict()
def add_properties_to_elem(name, ifc_file, ifc_elem, elem_props):
"""
:param ifc_file:
:param ifc_elem:
:param elem_props:
:return:
"""
owner_history = ifc_file.by_type("IfcOwnerHistory")[0]
props = create_property_set(name, ifc_file, elem_props)
ifc_file.createIfcRelDefinesByProperties(
create_guid(),
owner_history,
"Properties",
None,
[ifc_elem],
props,
)
def generate_tpl_ifc_file(file_name, project, organization, creator, schema, units):
"""
:param file_name:
:param project:
:param organization:
:param creator:
:param schema:
:param units:
:return:
"""
import time
from ada.core.ifc_template import tpl_create
timestamp = time.time()
timestring = time.strftime("%Y-%m-%dT%H:%M:%S", time.gmtime(timestamp))
application, application_version = "IfcOpenShell", "0.6"
project_globalid = create_guid()
if units == "m":
units_str = "$,.METRE."
elif units == "mm":
units_str = ".MILLI.,.METRE."
else:
raise ValueError(f'Unrecognized unit prefix "{units}"')
ifc_file = tpl_create(
file_name + ".ifc",
timestring,
organization,
creator,
schema,
application_version,
int(timestamp),
application,
project_globalid,
project,
units_str,
)
return ifc_file
