Arch CurtainWall/pt-br

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Elemento estrutural
Arch
THIS COMMAND IS PART OF THE INTEGRATED BIM WORKBENCH IN V1.0
This page has been updated for that version.

Arch CurtainWall

Menu location
3D/BIM → Curtain Wall
Workbenches
BIM
Default shortcut
C W
Introduced in version
0.19
See also
None

Descrição

The Arch CurtainWall tool creates a curtain wall by subdividing a base face into quadrangular faces, then creating vertical mullion on the vertical edges, horizontal mullions on the horizontal edges, and filling the spaces between mullions with panels.

Curtain Walls can be created from any type of existing object, in which case all the faces of the object will be subdivided. It works therefore best if used with an object that has only one face. Typically, you would first create a face, preferably bound by exactly 4 edges, that represents the area you want to fill with a curtain wall, then apply the tool.

Curtain walls can also be built from a linear object, such as a line, arc or polyline, like the normal wall tool.

Faces that have double curvature, or faces with more than 4 edges will work too, but the result is less predictable.

Faces will be divided in quadrangular facets. If the 4 points of the facet are coplanar, a square facet is created. If not, it is divided into two triangles and a diagonal mullion is added.

In case you need a non-regular subdivision, it is also possible to build your own subdivided object, for example using Arch Grid, and set the vertical and horizontal subdivisions of the curtain wall to 1.

You can also use the curtain wall tool without any selected object, in which case you will be able to draw a baseline, which will the be extruded vertically to form the face on which the curtain wall will be built.

Utilização

Drawing a curtain wall from scratch

  1. Make sure nothing is selected
  2. There are several ways to invoke the tool:
    • Press the Curtain Wall button.
    • Select the 3D/BIM → Curtain Wall option from the menu.
    • Use the keyboard shortcut: C then W.
  3. Click a first point on the 3D view, or type coordinates.
  4. Click a second point on the 3D view, or type coordinates.
  5. Adjust needed properties.

Creating a curtain wall from a selected object

  1. Select one or more base geometry objects (Draft object, sketch, etc).
  2. Invoke the tool as described above.
  3. Adjust needed properties.

Opções

Propriedades

An Arch CurtainWall object shares the common properties and behaviors of all Arch Components.

Making frame walls

Curtain walls are convenient to use in conjunction with walls to create frame walls (walls where an inner, structural layer is made of frames, usually wooden or metal, instead of an homogeneous material such as concrete or brick).

The procedure described below creates a wall and a curtain wall based on a same baseline, then gives the wall a multi-material which leaves an empty space, where the curtain wall is placed:

  1. Create a normal Arch Wall, either by clicking two points of from an existing linear object
  2. Select the base object of the newly created arch wall
  3. Press the CurtainWall button, or press the C then W keys to create a curtain wall from the same baseline as the wall
  4. Make sure both the wall and curtain wall have the same Height
  5. Set the number of horizontal sections of the curtain wall to zero if you wish only vertical frames
  6. Set the desired horizontal mullion width and horizontal mullion height (or use a mullion profile)
  7. Prepare two (or more) materials, one for the panels, one for the void where the frame will be
  8. Make one multi-material, using one layer of the panel material, one layer of the void material with a negative width value (which will make it not drawn) corresponding to the vertical mullion height of the curtain wall, and another layer of panel material
  9. Attribute the multi-material to the wall
  10. Set the Host property of the curtain wall to the wall we created in first point

Scripting

See also: Arch API and FreeCAD Scripting Basics.

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

MyCurtainWall = makeCurtainWall(baseobj)

Example: 

import FreeCAD, Draft, Arch

p1 = FreeCAD.Vector(0, 0, 0)
p2 = FreeCAD.Vector(2000, 0, 0)
baseline = Draft.makeLine(p1, p2)
baseface = FreeCAD.ActiveDocument.addObject('Part::Extrusion','Extrusion')
baseface.Base = baseline
baseface.DirMode = "Normal"
baseface.LengthFwd = 2000
curtainwall = Arch.makeCurtainWall(baseface)
curtainWall.VerticalSections = 6
FreeCAD.ActiveDocument.recompute()


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