Arch JSON
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Arch
User documentation
Description
The main purpose of this export format is to make it easier to process FreeCAD model data from programming languages. The JSON format is as follows:
{ "version": "0.0.1", "description": "Mesh data exported from FreeCAD", "objects": [ { "name": "<object name>", "description": "<object description>", "color": "<object color>", "wires": [[[<float>, <float>, <float>], . . .], . . .], "vertices": [[<float>, <float>, <float>], . . .], "normals": [[<float>, <float>, <float>], . . .], "facets": [[<int>, <int>, <int>], . . .] }, . . . ] }
Note that facets form triangles and their integer values reference points in the vertices array. Facet normals are found at the corresponding position in the normals array. description, color and wires are all optional. This format could easily be expanded to include additional model data.
- 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, Cut with line, 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

- Getting started
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- Hubs: User hub, Power users hub, Developer hub