Struktury
|
Umístění Menu
|
Arch → Struktura
|
Pracovní stoly
|
Arch
|
Výchozí zástupce
|
S T
|
Představen ve verzi
|
-
|
Viz také
|
Zed'
|
|
Popis
Tento nástroj Vám umožní stavět strukturované prvky jako jsou sloupy nebo příčníky specifikováním jejich šířky, délky a výšky nebo jejich založením na 2D profilu.
If no profile is given, a set of presets are available to quickly build a structural element from a predefined standard profile.
Obrázek nahoře zobrazuje sloup založený na 2D profilu, sloup a příčník založený na ne-profilu (definovaný rozměry výšky, délky a šířky) a kovový profil založený na 2D obrysu (plocha, lomená čára nebo náčrt)
Použití
- Vyberte 2D tvar (nakreslený objekt, povrch nebo náčrt) (volitelné)
- Stiskněte tlačítko
Arch Struktura nebo stiskněte klávesy S a T
- Nastavte požadované vlastnosti
Volby
- Není-li vybrán žádný objekt, je vytvořen 3-rozměrný blok
- Výška, šířka a délka struktury může být nastavena po vytvoření
- Stiskněte klávesu ESC nebo Cancel pro ukončení aktuálního příkazu.
- Dvojkliknutí na strukturu v pohledu stromu po jejím vytvoření Vám umožní přejít do editovacího režimu a upravovat vlastnosti
- V editovacím módu je také možné přidat osový systém do strukturálního prvku. Pokud je přidán osový systém, strukturální prvek bude kopírován jednou na každou osu systému. Budou-li přídány 2 osové systémy, strukturální prvek bude kopírován na každý průsečík těchto dvou osových systémů.
Vlastnosti
An Arch Structure object shares the common properties and behaviors of all Arch Components.
Data
- ÚdajeDélka: Délka struktury (použito pouze v případě, že struktura není založena na profilu)
- ÚdajeŠířka: Šířka struktury (použito pouze v případě, že struktura není založena na profilu)
- ÚdajeVýška: Výška struktury (nebo vysunutí pokud je struktura založena na profilu)
View
- PohledNodes Type: The type of structural nodes of this object, linear or area.
- PohledShow Nodes: Shows or hides the structural nodes.
Presets
The Structure tool also features a series of presets that allow to quickly build standard metallic profiles or precast concrete elements.
Some presets for steel structures
The presets are obtained by choosing a Category from the structure options panel. Available categories are Precast concrete or any of the industry-standard metallic profiles such as HEA, HEB or INP. For each of these categories, a number of presets are available. Once a preset is chosen, its individual parameters such as Length, Width or Height can be adjusted. However, for metallic profiles, the profile size is set by the preset and cannot be changed.
The Switch L/H button can be used to switch Length and Height values, and therefore building a horizontal beam rather than a vertical column.
Some presets for precast concrete structures
Structural nodes
Structural objects also have the ability to display structural nodes. Structural nodes are a sequence of 3D points stored in a "Nodes" property. By switching the "Show Nodes" view property on/off, one can see the structural nodes of a structural element:
Structural nodes made visible for a set of structures
- Nodes are calculated and updated automatically, as long as you don't modify them manually. If you did, they won't be updated if the shape of the structural object changes, unless you use the "Reset nodes" tool below.
- Arch structures can have not only linear nodes, but also planar nodes. For this, 1- There must be at least 3 vectors in the "Nodes" property of the object, 2- the "NodesType" property of their ViewObject must be set to "Area".
- When the nodes calculation is automatic (that is, if you never touched them manually), when setting the "Role" property of a structure to "Slab", it will automatically become a planar node (there will be more than 3 vectors and the NodesType will be set to "Area").
- When editing a structure object (double-click), a couple of node tools are available in the task view:
- Reset the nodes to automatic calculation, in case you modified them manually
- Edit the nodes graphically, works the same way as Draft Edit
- Extend the nodes of the edited object until it touches the node of another object
- Make the node of this object and another one coincident
- Toggle the display of all nodes of all structural objects of the document on/off
Scripting
Skriptování
Nástroj Struktura může být využit v makrech a z konzoly Pythonu použitím následující funkce:
structure = makeStructure(baseobj=None, height=None)
structure = makeStructure(baseobj=None, length=None, width=None, height=None, name="Structure")
- vytvoří strukturální prvek založený na daném profilu a daném vysunutí do výšky. Není-li zadán žádný profil, můžete specifikovat délku a šířku trojrozměrného objektu.
Příklad:
import FreeCAD, Draft, Arch
rect = Draft.make_rectangle(200, 300)
structure1 = Arch.makeStructure(rect, height=2000)
FreeCAD.ActiveDocument.recompute()
structure2 = Arch.makeStructure(None, length=500, width=1000, height=3000)
Draft.move(structure2, FreeCAD.Vector(2000, 0, 0))
FreeCAD.ActiveDocument.recompute()
BIM
- 2D drafting: Sketch, Line, Polyline, Circle, Arc, Arc From 3 Points, Fillet, Ellipse, Polygon, Rectangle, B-Spline, Bézier Curve, Cubic Bézier Curve, Point
- 3D/BIM: Project, Site, Building, Level, Space, Wall, Curtain Wall, Column, Beam, Slab, Door, Window, Pipe, Connector, Stairs, Roof, Panel, Frame, Fence, Truss, Equipment
- Reinforcement Tools: Custom Rebar, Straight Rebar, U-Shape Rebar, L-Shape Rebar, Stirrup, Bent-Shape Rebar, Helical Rebar, Column Reinforcement, Beam Reinforcement, Slab Reinforcement, Footing Reinforcement
- Generic 3D Tools: Profile, Box, Shape Builder, Facebinder, Objects Library, Component, External Reference
- Annotation: Text, Shape From Text, Aligned Dimension, Horizontal Dimension, Vertical Dimension, Leader, Label, Hatch, Axis, Axis System, Grid, Section Plane, New Page, New View
- Snapping: Snap Lock, Snap Endpoint, Snap Midpoint, Snap Center, Snap Angle, Snap Intersection, Snap Perpendicular, Snap Extension, Snap Parallel, Snap Special, Snap Near, Snap Ortho, Snap Grid, Snap Working Plane, Snap Dimensions, Toggle Grid, Working Plane Front, Working Plane Top, Working Plane Side, Working Plane
- Modify: Move, Copy, Rotate, Clone, Create Simple Copy, Create Compound, Offset, 2D Offset, Trimex, Join, Split, Scale, Stretch, Draft to Sketch, Upgrade, Downgrade, Add Component, Remove Component, Array, Path Array, Polar Array, Point Array, Cut With Plane, Mirror, Extrude, Difference, Union, Intersection
- Manage: BIM Setup, Views Manager, Setup Project, Manage Doors and Windows, Manage IFC Elements, Manage IFC Quantities, Manage IFC Properties, Manage Classification, Manage Layers, Material, Schedule, Preflight Checks, Annotation Styles
- Utils: Toggle Bottom Panels, Move to Trash, Working Plane View, Select Group, Set Slope, Working Plane Proxy, Add to Construction Group, Split Mesh, Mesh to Shape, Select Non-Manifold Meshes, Remove Shape From BIM, Close Holes, Merge Walls, Check, Toggle IFC B-Rep Flag, Toggle Subcomponents, Survey, IFC Diff, IFC Explorer, New IFC Spreadsheet, Image Plane, Unclone, Rewire, Glue, Re-Extrude
- Panel Tools: Panel, Panel Cut, Panel Sheet, Nest
- Structure Tools: Structure, Structural System, Multiple Structures
- IFC Tools: IFC Diff, IFC Expand, Create IFC Project, IfcOpenShell Update
- Nudge: Nudge Switch, Nudge Up, Nudge Down, Nudge Left, Nudge Right, Nudge Rotate Left, Nudge Rotate Right, Nudge Extend, Nudge Shrink
User documentation
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Assembly, BIM, CAM, Draft, FEM, Inspection, Material, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework