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Sigma Dimensions (Yass)
115 lines
4.3 KiB
Python
115 lines
4.3 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import ifcopenshell.util.element
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import ifcopenshell.util.date
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def get_productivity(resource, should_inherit=True):
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productivity = ifcopenshell.util.element.get_psets(resource).get("EPset_Productivity", None)
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if should_inherit and not productivity:
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#Note: This is not part of the Schema - but it makes sense to inherit from parent
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productivity = get_parent_productivity(resource)
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return productivity
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def get_parent_productivity(resource):
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if not resource.Nests:
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return
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else:
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parent_resource = resource.Nests[0].RelatingObject
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productivity = ifcopenshell.util.element.get_psets(parent_resource).get("EPset_Productivity", None)
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return productivity
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def get_unit_consumed(productivity):
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duration = productivity.get("BaseQuantityConsumed", None)
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if not duration:
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return
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return ifcopenshell.util.date.ifc2datetime(duration)
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def get_quantity_produced(productivity):
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if not productivity:
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return 0
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return productivity.get("BaseQuantityProducedValue", 0)
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def get_quantity_produced_name(productivity):
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if not productivity:
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return ""
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return productivity.get("BaseQuantityProducedName", "")
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def get_total_quantity_produced(resource, quantity_name_in_process):
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def get_product_quantity(product, quantity_name):
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psets = ifcopenshell.util.element.get_psets(product)
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for pset in psets.values():
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for name, value in pset.items():
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if name == quantity_name:
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return float(value)
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total = 0
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products = get_parametric_resource_products(resource)
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if quantity_name_in_process == "Count":
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total = len(products)
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else:
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for product in products:
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total += get_product_quantity(product, quantity_name_in_process) or 0
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return total
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def get_parametric_resource_products(resource):
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products = []
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for rel in resource.HasAssignments or []:
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if not rel.is_a("IfcRelAssignsToProcess"):
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continue
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for rel2 in rel.RelatingProcess.HasAssignments or []:
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if not rel2.is_a("IfcRelAssignsToProduct"):
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continue
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products.append(rel2.RelatingProduct)
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return products
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def get_task_assignments(resource):
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for rel in resource.HasAssignments or []:
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if not rel.is_a("IfcRelAssignsToProcess"):
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continue
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return rel.RelatingProcess
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def get_resource_required_work(resource):
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productivity = get_productivity(resource)
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if productivity:
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quantity_produced = get_quantity_produced(productivity)
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time_consumed = get_unit_consumed(productivity)
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quantity_name_in_process = get_quantity_produced_name(productivity)
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total_quantity_to_produce = get_total_quantity_produced(resource, quantity_name_in_process)
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if not time_consumed or not quantity_produced or not total_quantity_to_produce:
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return
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iso_string = ""
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if "T" in productivity.get("BaseQuantityConsumed", ""):
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seconds = (time_consumed.days * 24 * 60 * 60) + time_consumed.seconds
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productivity_ratio = seconds / quantity_produced
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required_work = total_quantity_to_produce * productivity_ratio
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iso_string = f"PT{required_work / 60 / 60}H"
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else:
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days = time_consumed.days + (time_consumed.seconds / (24 * 60 * 60))
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productivity_ratio = days / quantity_produced
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required_work = total_quantity_to_produce * productivity_ratio
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iso_string = f"P{required_work}D"
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return iso_string
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