Write documentation for spatial API module

This commit is contained in:
Dion Moult
2023-01-03 17:31:56 +11:00
parent 2805109cef
commit e53a9cd66c
5 changed files with 234 additions and 19 deletions
@@ -21,11 +21,49 @@ import ifcopenshell.api
class Usecase:
def __init__(self, file, **settings):
def __init__(self, file, product=None, relating_structure=None):
"""Dereferences the a product and space
:param product: The physical IfcElement that exists in the space.
:type product: ifcopenshell.entity_instance.entity_instance
:param relating_structure: The IfcSpatialStructureElement element, such
as IfcBuilding, IfcBuildingStorey, or IfcSpace that the element
exists in.
:return: None
:rtype: None
Example::
project = ifcopenshell.api.run("root.create_entity", model, ifc_class="IfcProject")
site = ifcopenshell.api.run("root.create_entity", model, ifc_class="IfcSite")
building = ifcopenshell.api.run("root.create_entity", model, ifc_class="IfcBuilding")
storey1 = ifcopenshell.api.run("root.create_entity", model, ifc_class="IfcBuildingStorey")
storey2 = ifcopenshell.api.run("root.create_entity", model, ifc_class="IfcBuildingStorey")
storey3 = ifcopenshell.api.run("root.create_entity", model, ifc_class="IfcBuildingStorey")
# The project contains a site (note that project aggregation is a special case in IFC)
ifcopenshell.api.run("aggregate.assign_object", model, product=site, relating_object=project)
# The site has a building, the building has a storey, and the storey has a space
ifcopenshell.api.run("aggregate.assign_object", model, product=building, relating_object=site)
ifcopenshell.api.run("aggregate.assign_object", model, product=storey, relating_object=building)
ifcopenshell.api.run("aggregate.assign_object", model, product=space, relating_object=storey)
# Create a column, this column spans 3 storeys
column = ifcopenshell.api.run("root.create_entity", model, ifc_class="IfcWall")
# The column is contained in the lowermost storey
ifcopenshell.api.run("spatial.assign_container", model, product=column, relating_structure=storey1)
# And referenced in the others
ifcopenshell.api.run("spatial.reference_structure", model, product=column, relating_structure=storey2)
ifcopenshell.api.run("spatial.reference_structure", model, product=column, relating_structure=storey3)
# Actually, it only goes up to storey 2.
ifcopenshell.api.run("spatial.dereference_structure", model, product=column, relating_structure=storey3)
"""
self.file = file
self.settings = {"product": None, "relating_structure": None}
for key, value in settings.items():
self.settings[key] = value
self.settings = {"product": product, "relating_structure": relating_structure}
def execute(self):
for rel in self.settings["product"].ReferencedInStructures: