Phasing system

[yorikvanhavre]

Allow to define phases and attribute these phases to BIM objects.
Need to see how to save/retrieve this to/from IFC

[yorikvanhavre]

IFC support

Phasing is done with:

IfcWorkSchedule
    | --> IfcTask (name, start date, end date)
              | --> IfcRelAssignsProduct(task,product)

• https://standards.buildingsmart.org/IFC/DEV/IFC4_3/RC2/HTML/schema/ifcprocessextension/lexical/ifctask.htm
• osarch discussion: https://community.osarch.org/discussion/160/construction-project-planning-and-cost-scheduling-blenderbim-and-charonifc/p6
• FreeCAD Planner WB: https://forum.freecadweb.org/viewtopic.php?f=23&t=54215&start=10

Idea 1: Phases are stored in Document.Meta as a dict of lists with Name, StartDate and EndDate

in Arch:

• All arch objects gain an App::PropertyEnum named Phase
• IFC export: Object phase is saved to IFC (unused phases are discarded)
• IFC import: Object phases are loaded form IFC (no dates are added)

in BIM:

• Phases Manager UI to list, create, modify and delete phases
• Load and save Document.Meta
• Trigger Phase property enums of arch objects on Document.Meta update

Idea 2 (preferred): Phases are real tree objects, like layers.

in Arch:

• A new "Phase" object that acts like a layer
• IFC export: Object phase is saved to IFC (unused phases are discarded)
• IFC import: Object phases are loaded form IFC (no dates are added)

in BIM:

• Phases Manager UI to list, create, modify and delete phases

[yorikvanhavre]