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https://github.com/IfcOpenShell/IfcOpenShell.git
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Andrej730
78 lines
3.3 KiB
Python
78 lines
3.3 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.api
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def assign_cost_value(
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file: ifcopenshell.file, cost_item: ifcopenshell.entity_instance, cost_rate: ifcopenshell.entity_instance
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) -> None:
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"""Assigns a cost value to a cost item from a schedule of rates
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Instead of assigning cost values from scratch for each cost item in a
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cost schedule, the cost values may instead be assigned from a schedule
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of rates.
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A schedule of rates is just another cost schedule which have cost values
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but no quantities. This API will allow you to "copy" the values from a
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cost item in the schedule of rates into another cost item in your own
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cost schedule. When the schedule of rates value is updated, then your
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cost item values will also be updated. You can think of the schedule of
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rates as a "template" to quickly populate your rates from.
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:param cost_item: The IfcCostItem that you want to copy the values to
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:type cost_item: ifcopenshell.entity_instance
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:param cost_rate: The IfcCostItem that you want to copy the values from
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:type cost_rate: ifcopenshell.entity_instance
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:return: None
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:rtype: None
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Example:
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.. code:: python
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# Let's create a schedule of rates with a single rate in it of 5.0
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rate_tables = ifcopenshell.api.run("cost.add_cost_schedule", model,
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predefined_type="SCHEDULEOFRATES")
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rate = ifcopenshell.api.run("cost.add_cost_item", model, cost_schedule=schedule)
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value = ifcopenshell.api.run("cost.add_cost_value", model, parent=rate)
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ifcopenshell.api.run("cost.edit_cost_value", model, cost_value=value,
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attributes={"AppliedValue": 5.0})
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# And this schedule will be for our actual cost plan / estimate / etc
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schedule = ifcopenshell.api.run("cost.add_cost_schedule", model)
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item = ifcopenshell.api.run("cost.add_cost_item", model, cost_schedule=schedule)
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# Now the cost item has the same rate as the one from the schedule of rate's item
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ifcopenshell.api.run("cost.assign_cost_value", model, cost_item=item, cost_rate=rate)
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"""
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settings = {"cost_item": cost_item, "cost_rate": cost_rate}
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if settings["cost_item"].CostValues:
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[
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ifcopenshell.api.run(
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"cost.remove_cost_value",
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file,
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parent=settings["cost_item"],
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cost_value=cost_value,
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)
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for cost_value in settings["cost_item"].CostValues
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]
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# This is an assumption, and not part of the official IFC documentation
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settings["cost_item"].CostValues = settings["cost_rate"].CostValues
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