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[Arch] export IFC: assign space to storey as aggregation

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According to the standard, entities of type IfcSpatialStructureElement
should not be related to other spatial structure elements through
IfcRelContainedInSpatialStructure but through IfcRelAggregates.
This commit is contained in:
hlg
2019-12-06 14:15:46 +01:00
committed by Yorik van Havre
parent ff8c64fb03
commit ebfe96b013
1 changed files with 44 additions and 16 deletions
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60
src/Mod/Arch/exportIFC.py
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@@ -802,23 +802,35 @@ def export(exportList,filename,colors=None,preferences=None):
if (Draft.getType(floor) == "Floor") or (hasattr(floor,"IfcType") and floor.IfcType == "Building Storey"):
objs = Draft.getGroupContents(floor,walls=True,addgroups=True)
objs = Arch.pruneIncluded(objs)
children = []
objs.remove(floor) # getGroupContents + addgroups will include the floor itself
buildingelements, spaces = [], []
for c in objs:
if c.Name != floor.Name: # getGroupContents + addgroups will include the floor itself
if c.Name in products.keys():
if not (c.Name in treated):
children.append(products[c.Name])
treated.append(c.Name)
if c.Name in products and c.Name not in treated:
prod = products[c.Name]
if prod.is_a()=='IfcSpace':
spaces.append(prod)
else:
buildingelements.append(prod)
treated.append(c.Name)
f = products[floor.Name]
if children:
if buildingelements:
ifcfile.createIfcRelContainedInSpatialStructure(
ifcopenshell.guid.new(),
history,
'StoreyLink',
'',
children,
buildingelements,
f
)
if spaces:
ifcfile.createIfcRelAggregates(
ifcopenshell.guid.new(),
history,
'StoreyLink',
'',
f,
spaces
)
floors.append(f)
defaulthost = f
@@ -834,7 +846,7 @@ def export(exportList,filename,colors=None,preferences=None):
if not (c.Name in treated):
if c.Name != building.Name: # getGroupContents + addgroups will include the building itself
if c.Name in products.keys():
if Draft.getType(c) in ["Floor","BuildingPart"]:
if Draft.getType(c) in ["Floor","BuildingPart","Space"]:
childfloors.append(products[c.Name])
treated.append(c.Name)
elif not (c.Name in treated):
@@ -1022,13 +1034,29 @@ def export(exportList,filename,colors=None,preferences=None):
elif buildings:
defaulthost = buildings[0]
if defaulthost:
ifcfile.createIfcRelContainedInSpatialStructure(
ifcopenshell.guid.new(),
history,
'UnassignedObjectsLink',
'',
untreated,
defaulthost
spaces, buildingelements = [],[]
for entity in untreated:
if entity.is_a()=="IfcSpace":
spaces.append(entity)
else:
buildingelements.append(entity)
if spaces:
ifcfile.createIfcRelAggregates(
ifcopenshell.guid.new(),
history,
'UnassignedObjectsLink',
'',
defaulthost,
spaces
)
if buildingelements:
ifcfile.createIfcRelContainedInSpatialStructure(
ifcopenshell.guid.new(),
history,
'UnassignedObjectsLink',
'',
buildingelements,
defaulthost
)
else:
# no default host: aggregate unassigned objects directly under the IfcProject - WARNING: NON STANDARD