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https://github.com/IfcOpenShell/IfcOpenShell.git
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You can now get specific container types via util.element or util.selector. E.g. if you wanted to know what building an object is in or what storey an object is on.
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@@ -625,7 +625,7 @@ def get_layers(ifc_file, element):
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return layers
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def get_container(element, should_get_direct=False):
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def get_container(element, should_get_direct=False, ifc_class=None):
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"""
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Retrieves the spatial structure container of an element.
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@@ -637,6 +637,9 @@ def get_container(element, should_get_direct=False):
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part of an aggregate, and then if that aggregate is contained in a
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spatial structure element.
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:type should_get_direct: bool
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:param ifc_class: Optionally filter the type of container you're after. For
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example, you may be after the storey, not a space.
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:type ifc_class: str
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:return: The direct or indirect container of the element or None.
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Example:
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@@ -648,13 +651,23 @@ def get_container(element, should_get_direct=False):
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"""
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if should_get_direct:
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if hasattr(element, "ContainedInStructure") and element.ContainedInStructure:
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return element.ContainedInStructure[0].RelatingStructure
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container = element.ContainedInStructure[0].RelatingStructure
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if not ifc_class:
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return container
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if container.is_a(ifc_class):
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return container
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else:
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aggregate = get_aggregate(element)
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if aggregate:
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return get_container(aggregate, should_get_direct)
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if hasattr(element, "ContainedInStructure") and element.ContainedInStructure:
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return element.ContainedInStructure[0].RelatingStructure
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container = element.ContainedInStructure[0].RelatingStructure
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if not ifc_class:
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return container
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while container:
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if container.is_a(ifc_class):
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return container
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container = get_aggregate(container)
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def get_referenced_structures(element):
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@@ -151,6 +151,14 @@ def set_element_value(ifc_file, element, query, value):
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element = element.MaterialConstituents
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elif key == "container":
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element = ifcopenshell.util.element.get_container(element)
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elif key == "space":
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element = ifcopenshell.util.element.get_container(element, ifc_class="IfcSpace")
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elif key == "storey":
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element = ifcopenshell.util.element.get_container(element, ifc_class="IfcBuildingStorey")
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elif key == "building":
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element = ifcopenshell.util.element.get_container(element, ifc_class="IfcBuilding")
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elif key == "site":
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element = ifcopenshell.util.element.get_container(element, ifc_class="IfcSite")
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elif key == "class":
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if element.is_a() != value:
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return ifcopenshell.util.schema.reassign_class(ifc_file, element, value)
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@@ -637,6 +645,14 @@ class Selector:
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value = value.MaterialConstituents
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elif key == "container":
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value = ifcopenshell.util.element.get_container(value)
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elif key == "space":
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element = ifcopenshell.util.element.get_container(element, ifc_class="IfcSpace")
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elif key == "storey":
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element = ifcopenshell.util.element.get_container(element, ifc_class="IfcBuildingStorey")
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elif key == "building":
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element = ifcopenshell.util.element.get_container(element, ifc_class="IfcBuilding")
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elif key == "site":
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element = ifcopenshell.util.element.get_container(element, ifc_class="IfcSite")
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elif key == "class":
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value = value.is_a()
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elif key == "id":
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