Arch OBJ: Difference between revisions
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== Description == <!--T:8--> |
== Description == <!--T:8--> |
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Additionally to the standard FreeCAD [ |
Additionally to the standard FreeCAD [https://en.wikipedia.org/wiki/Wavefront_.obj_file OBJ] exporter, the [[Arch_Workbench|Arch Workbench]] features an alternative exporter that exports coplanar faces as whole OBJ faces, instead of triangulating [[Shape|Shape]]-based objects, like the standard exporter does. |
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== Exporting without GUI == <!--T:9--> |
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* [https://forum.freecadweb.org/viewtopic.php?f=8&t=37452 Convert STEP to Wavefront OBJ with colors of faces] |
* [https://forum.freecadweb.org/viewtopic.php?f=8&t=37452 Convert STEP to Wavefront OBJ with colors of faces] |
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==Tutorials== <!--T: |
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* [[Import_from_STL_or_OBJ|Import from STL or OBJ]] |
* [[Import_from_STL_or_OBJ|Import from STL or OBJ]] |
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* [[Export_to_STL_or_OBJ|Export to STL or OBJ]] |
* [[Export_to_STL_or_OBJ|Export to STL or OBJ]] |
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Latest revision as of 08:47, 16 May 2023
Description
Additionally to the standard FreeCAD OBJ exporter, the Arch Workbench features an alternative exporter that exports coplanar faces as whole OBJ faces, instead of triangulating Shape-based objects, like the standard exporter does.
Exporting without GUI
Exporting without the graphical interface is possible from the command line, using the Mesh Workbench exporter only.
In this example, a STEP file is imported, the colors of the Shape are saved, then a mesh is created from it, the colors of the original object are re-applied to the faces of the new mesh, which is then exported to OBJ format. Since this is done with the Mesh Workbench, the result is a triangulated mesh.
import Mesh
import MeshPart
import Import
data = Import.open("example.stp")
shape = data[0][0].Shape
shape_colors = data[0][1]
mesh = MeshPart.meshFromShape(Shape=shape, LinearDeflection=0.1, Segments=True)
face_colors = [(0, 0, 0)] * mesh.CountFacets
for i in range(mesh.countSegments()):
color = shape_colors[i]
segm = mesh.getSegment(i)
for j in segm:
face_colors[j] = color
mesh.write(Filename="new_example.obj", Material=face_colors, Format="obj")
More information
Tutorials
Arch
- Elements: Wall, Structure, Curtain Wall, Window, Roof, Space, Stairs, Equipment, Frame, Fence, Truss, Profile, Pipe, Pipe Connector
- Reinforcements: Straight Rebar, U-Shape Rebar, L-Shape Rebar, Stirrup, Bent-Shape Rebar, Helical Rebar, Column Reinforcement, Beam Reinforcement, Slab Reinforcement, Footing Reinforcement, Custom Rebar
- Panels: Panel, Panel Cut, Panel Sheet, Nest
- Materials: Material, Multi-Material
- Organization: Building Part, Project, Site, Building, Level, External reference, Section Plane, Schedule
- 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-manifold meshes, Remove Shape from Arch, Close Holes, Merge Walls, Check, Toggle IFC Brep flag, 3 Views from mesh, Create IFC spreadsheet, Toggle Subcomponents
- Additional: Preferences, Import Export Preferences (IFC, DAE, OBJ, JSON, 3DS, SHP), IfcOpenShell, IfcPlusPlus, Arch API
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, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub