mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-09 17:31:45 +00:00
Andrej
125 lines
5.1 KiB
Python
125 lines
5.1 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.root
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import ifcopenshell.api.project
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import ifcopenshell.api.aggregate
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import ifcopenshell.api.owner.settings
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import ifcopenshell.util.date
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from datetime import time
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from datetime import datetime
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from typing import Union, Optional
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def add_work_schedule(
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file: ifcopenshell.file,
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name: str = "Unnamed",
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predefined_type: str = "NOTDEFINED",
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object_type=None,
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start_time: Optional[Union[str, time]] = None,
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work_plan: Optional[ifcopenshell.entity_instance] = None,
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) -> ifcopenshell.entity_instance:
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"""Add a new work schedule
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A work schedule is a group of tasks, where the tasks are typically
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either for maintenance or for construction scheduling.
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:param name: The name of the work schedule.
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:type name: str
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:param predefined_type: The type of schedule, chosen from ACTUAL,
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BASELINE, and PLANNED. Typically you would start with PLANNED, then
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convert to a BASELINE when changes are made with separate schedules,
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then have a parallel ACTUAL schedule.
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:type predefined_type: str
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:param start_time: The earlier start time when the schedule is relevant.
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May be represented with an ISO standard string.
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:type start_time: str,datetime.time,optional
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:param work_plan: The IfcWorkPlan the schedule will be part of. If not
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provided, the schedule will not be grouped in a work plan and would
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exist as a top level schedule in the project. This is not
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recommended.
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:type work_plan: ifcopenshell.entity_instance,optional
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:return: The newly created IfcWorkSchedule
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:rtype: ifcopenshell.entity_instance
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Example:
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.. code:: python
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# This will hold all our construction schedules
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work_plan = ifcopenshell.api.sequence.add_work_plan(model, name="Construction")
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# Let's imagine this is one of our schedules in our work plan.
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schedule = ifcopenshell.api.sequence.add_work_schedule(model,
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name="Construction Schedule A", work_plan=work_plan)
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# Add a root task to represent the design milestones, and major
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# project phases.
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ifcopenshell.api.sequence.add_task(model,
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work_schedule=schedule, name="Milestones", identification="A")
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ifcopenshell.api.sequence.add_task(model,
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work_schedule=schedule, name="Design", identification="B")
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construction = ifcopenshell.api.sequence.add_task(model,
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work_schedule=schedule, name="Construction", identification="C")
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"""
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start_time = start_time or datetime.now()
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work_schedule = ifcopenshell.api.root.create_entity(
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file,
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ifc_class="IfcWorkSchedule",
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predefined_type=predefined_type,
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name=name,
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)
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if file.schema == "IFC2X3":
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work_schedule.CreationDate = createIfcDateAndTime(file, datetime.now())
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else:
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work_schedule.CreationDate = ifcopenshell.util.date.datetime2ifc(datetime.now(), "IfcDateTime")
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user = ifcopenshell.api.owner.settings.get_user(file)
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if user:
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work_schedule.Creators = [user.ThePerson]
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if file.schema == "IFC2X3":
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work_schedule.StartTime = createIfcDateAndTime(file, start_time)
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else:
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work_schedule.StartTime = ifcopenshell.util.date.datetime2ifc(start_time, "IfcDateTime")
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if object_type:
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work_schedule.ObjectType = object_type
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if work_plan:
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ifcopenshell.api.aggregate.assign_object(
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file,
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products=[work_schedule],
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relating_object=work_plan,
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)
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elif file.schema != "IFC2X3":
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# TODO: this is an ambiguity by buildingSMART
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# See https://forums.buildingsmart.org/t/is-the-ifcworkschedule-project-declaration-mutually-exclusive-to-aggregation-within-a-relating-ifcworkplan/3510
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context = file.by_type("IfcContext")[0]
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ifcopenshell.api.project.assign_declaration(
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file,
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definitions=[work_schedule],
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relating_context=context,
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)
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return work_schedule
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def createIfcDateAndTime(file: ifcopenshell.file, dt: datetime):
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ifc_dt = file.create_entity("IfcDateAndTime")
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ifc_dt.DateComponent = file.create_entity(
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"IfcCalendarDate", **ifcopenshell.util.date.datetime2ifc(dt, "IfcCalendarDate")
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)
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ifc_dt.TimeComponent = file.create_entity("IfcLocalTime", **ifcopenshell.util.date.datetime2ifc(dt, "IfcLocalTime"))
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return ifc_dt
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