Arch 3Views

    From FreeCAD Documentation

    Arch 3Views.svg Arch 3Views

    Menu location
    Arch → Utilities → 3 Views from mesh
    Default shortcut
    Introduced in version
    See also
    Arch SplitMesh, Arch MeshToShape


    This command is currently not in use. It will serve to generate flat, shape-based views from a Mesh based object, to be used by the Arch Equipment.svg Arch Equipment tool.


    1. Select a Mesh object.
    2. Select the Arch 3Views.svg button, or ArchUtilitiesArch 3Views.svg 3Views from the top menu.


    See also: Arch API and FreeCAD Scripting Basics.

    This tool can be used in macros and from the Python console by using the following function:

    shape = createMeshView(obj, direction=FreeCAD.Vector(0, 0, -1), outeronly=False, largestonly=False)
    • Creates a flat shape that is the projection of the given mesh object (obj) in the given direction.
    • If outeronly is True only the outer contour is taken into consideration, discarding the inner holes.
    • If largestonly is True only the largest segment of the given mesh will be used.

    Use to display the resulting flat shape.


    import FreeCAD, Draft, Arch, Mesh, MeshPart
    Line = Draft.makeWire([FreeCAD.Vector(0, 0, 0), FreeCAD.Vector(2000, 2000, 0)])
    Wall = Arch.makeWall(Line, width=150, height=3000)
    Shape = Wall.Shape.copy(False)
    Shape.Placement = Wall.getGlobalPlacement()
    mesh_obj = FreeCAD.ActiveDocument.addObject("Mesh::Feature", "Mesh")
    mesh_obj.Mesh = MeshPart.meshFromShape(Shape=Shape, MaxLength=520)
    mesh_obj.ViewObject.DisplayMode = "Flat Lines"
    XAxis = FreeCAD.Vector(1, 0, 0)
    YAxis = FreeCAD.Vector(0, 1, 0)
    ZAxis = FreeCAD.Vector(0, 0, -1)
    s1 = Arch.createMeshView(mesh_obj, ZAxis)
    s2 = Arch.createMeshView(mesh_obj, XAxis)
    s3 = Arch.createMeshView(mesh_obj, YAxis)
    Wall.ViewObject.Visibility = False
    mesh_obj.ViewObject.Visibility = False