Arch Survey
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Menu location |
---|
Arch → Survey |
Workbenches |
Arch |
Default shortcut |
None |
Introduced in version |
- |
See also |
FCInfo (macro) |
Contents |
Descripción
La herramienta de encuesta ingresa en un modo de topografía especial, que le permite tomar rápidamente medidas e información de un modelo y transferir esa información a otras aplicaciones. Una vez que esté en modo Encuesta, al hacer clic en diferentes subelementos de objetos 3D, se recopila la siguiente información, en función de lo que haga clic en:
- Si haces clic en un borde, obtienes su longitud
- Si hace clic en un vértice, obtiene su altura (coordenada en el eje Z)
- Si haces clic en una cara, obtienes su área.
- Si hace doble clic en cualquier cosa, por lo tanto, selecciona todo el objeto, obtiene su volumen
Cuando se recopila una información de este tipo, suceden varias cosas:
- A label is placed on top of the element you clicked, that displays the value (with "a" for area, "l" for length, "z" for height, or "v" for volume)
- The numeric value is copied to the clipboard, so you can paste it in another application
- A line is printed on the FreeCAD output window. After you exit the survey mode, those lines can be copied and pasted in another application (the values are comma-separated, making it easy to convert to spreadsheet data)
- The total length or area of the elements you clicked so far is also printed in the output window
- Each length or area is also recorded in the task dialog
The above image shows what happens when running the survey mode.
Usage
- Press the
Arch Survey button.
- Click on vertices, edges, faces or double-click to select whole objects.
- Click outside any geometry (on the background of the 3D view) to remove existing labels, print a total line in the Task dialog, and restart counting lengths and areas from zero.
- Press Esc or the Close button to exit survey mode and remove all the labels.
Options
- You can add a custom label to any line in the Task dialog by clicking that line, then adding a text in the description field, then press the set description button.
- Once you are done, before closing, you can export the contents of the Task dialog by pressing the "export CSV" button. The resulting CSV file can then be opened in any spreadsheet application such as Excel or LibreOffice Calc. The values and units will be separated in the resulting CSV file, and the totals are written as SUM() functions.
Scripting
See also: Arch API and FreeCAD Scripting Basics.
The Survey tool doesn't have a programming interface, but gathering the same information from any selected Part-based object is reproduced with the following script:
import FreeCADGui
selection = FreeCADGui.Selection.getSelectionEx()
for obj in selection:
for element in obj.SubObjects:
print("Area: %f", element.Area)
print("Length: %f", element.Length)
print("Volume: %f", element.Volume)
print("Center of Mass: %f", element.CenterOfMass)
Arch
- Elements: Wall, Structure, Roof, Window, Door, Stairs, Space, Frame, Equipment; Pipe, Pipe Connector; Schedule
- Reinforcements: Rebar; Straight Rebar, UShape Rebar, LShape Rebar, Bent Shape Rebar, Stirrup Rebar, Helical Rebar
- Panels: Panel, Panel Cut, Panel Sheet, Nest
- Materials: Material, Multi-Material
- Organization: Site, Reference,Building, Floor, Building Part, Section Plane
- Axes: Axis, Axes system, Grid
- Modification: Cut with plane, Add component, Remove component, Survey
- Utilities: Component, Clone component, Split Mesh, Mesh To Shape, Select non-solid meshes, Remove Shape, Close Holes, Merge Walls, Check, Ifc Explorer, Toggle IFC Brep flag, 3 Views from mesh, Create IFC spreadsheet, Toggle Subcomponents
- Additional: Preferences, Import-Export Preferences (IFC, DAE, OBJ, JSON, 3DS); Arch API
User documentation

- Installation: Windows, Linux, Mac; Getting started
- Basics: About FreeCAD, Workbenches, Preferences, Document structure, Interface Customization, Properties, Mouse Model; Tutorials
- Workbenches: Arch, Draft, FEM, Image, Inspection, Mesh, OpenSCAD, Part, PartDesign, Path, Plot, Points, Raytracing, Reverse Engineering, Robot, Ship, Sketcher, Spreadsheet, Start, Surface workbench, TechDraw, Test Framework, Web
- Scripting: Introduction to Python, FreeCAD scripting tutorial, FreeCAD Scripting Basics, How to install macros, Gui Command, Units Modules: Builtin modules, Workbench creation, Installing more workbenches Meshes: Mesh Scripting, Mesh Module Parts: The Part Module, Topological data scripting, PythonOCC, Mesh to Part Coin scenegraph: The Coin/Inventor scenegraph, Pivy Qt interface: PySide, Using the FreeCAD GUI, Dialog creation Parametric objects: Scripted objects Other: Code snippets, Line drawing function, Embedding FreeCAD, FreeCAD vector math library, Power users hub, Python, Macros, FreeCAD Scripting Basics, Topological data scripting