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Parenting is reserved for type assignment, whereas a named child of constraint now specifys a nesting relationship

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This allows you to have a defined by type and a rel nests at the same time. Using parenting for types is the more common operation, whereas nesting is a less frequent operation.
This commit is contained in:
Dion Moult
2019-09-29 22:41:26 +10:00
parent 2f2c40406f
commit e688f781f5
1 changed files with 10 additions and 6 deletions
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src/ifcblenderexport/io_export_ifc/export.py
+10 -6
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@@ -227,13 +227,15 @@ class IfcParser():
and self.is_a_type(self.get_ifc_class(object.parent.name)): and self.is_a_type(self.get_ifc_class(object.parent.name)):
reference = self.get_type_product_reference(object.parent.name) reference = self.get_type_product_reference(object.parent.name)
self.rel_defines_by_type.setdefault(reference, []).append(self.product_index) self.rel_defines_by_type.setdefault(reference, []).append(self.product_index)
elif product['raw'].parent:
parent_product_index = self.get_product_index_from_raw_name(product['raw'].parent.name) for collection in product['raw'].users_collection:
self.parse_product_collection(product, collection)
if 'IfcRelNests' in object.constraints:
parent_product_index = self.get_product_index_from_raw_name(
object.constraints['IfcRelNests'].target.name)
self.rel_nests.setdefault(parent_product_index, []).append(product) self.rel_nests.setdefault(parent_product_index, []).append(product)
product['relating_host'] = parent_product_index product['relating_host'] = parent_product_index
else:
for collection in product['raw'].users_collection:
self.parse_product_collection(product, collection)
if object.instance_type == 'COLLECTION' \ if object.instance_type == 'COLLECTION' \
and self.is_a_rel_aggregates(self.get_ifc_class(object.instance_collection.name)): and self.is_a_rel_aggregates(self.get_ifc_class(object.instance_collection.name)):
@@ -276,6 +278,8 @@ class IfcParser():
return product return product
def parse_product_collection(self, product, collection): def parse_product_collection(self, product, collection):
if collection is None:
return
class_name = self.get_ifc_class(collection.name) class_name = self.get_ifc_class(collection.name)
if self.is_a_spatial_structure_element(class_name): if self.is_a_spatial_structure_element(class_name):
reference = self.get_spatial_structure_element_reference(collection.name) reference = self.get_spatial_structure_element_reference(collection.name)
@@ -285,7 +289,7 @@ class IfcParser():
elif self.is_a_rel_aggregates(class_name): elif self.is_a_rel_aggregates(class_name):
pass pass
else: else:
self.parse_product_collection(product, self.product_index, self.get_parent_collection(collection)) self.parse_product_collection(product, self.get_parent_collection(collection))
def get_parent_collection(self, child_collection): def get_parent_collection(self, child_collection):
for parent_collection in bpy.data.collections: for parent_collection in bpy.data.collections: