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https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
9c067d1d0e
Make the wgpu viewport ready for bonsai's verb actions, federation
refresh, and tool routing — i.e. callable from an outside host, not
just from the minimal viewer's own hotkeys.
Surface additions on WgpuViewportWindow:
- Qt signals: objectPicked, frameStatsUpdated, surfacePickedInTool,
toolModeChanged, toolBackspacePressed.
- FrameStats struct + rolling 60-sample frame-time window for the
fps field; emit at end of render() so external listeners see fresh
numbers in the same tick.
- InstanceLookup struct + findInstance(object_id, ...) const for the
measurement tools' O(1) object → (model, mesh, placement) resolve.
- Federation hooks (setFederatedFalseOrigin / setModelCoordinateOperation
/ setModelTransformation) + per-model coordinate_operation_meters /
model_transformation_meters fields on WgpuModelGpuData. Implement
composeInstanceFromPlacement + recomposeAndUploadModel so each setter
actually applies — model recompose runs in double, casts to float for
the GPU upload, and refreshes per-chunk world AABBs. meshLocalToGlobal
now composes coordinate_operation · placement properly.
- showModel / hideModel for per-model visibility, plus element-level
verbs (hideSelectedElements / isolateSelectedElements / showAllElements
/ invertElementVisibility) and setSelectedObjectId / cameraState() /
projectionOrtho() / toggle{Area,Length,Volume}Tool wrappers.
- Section-cutting methods (toggleSectionTool / clearSectionPlanes /
sectionToolActive) moved to public so bonsai's Commands.cpp can call.
- QVector3D overload of computeObjectAabb to match the GL signature.
- ToolMode::None → ToolMode::NoTool (X11 macro collision avoidance).
Direct-IFC ingestion (A-path), mirrors the GL streaming push API:
- uploadMeshChunk / uploadInstanceChunk stage into pending_direct_loads_
using the same vertex quantisation as SidecarBuilder so direct-load
and sidecar-load produce byte-identical buffers.
- finalizeModel wraps the staged data in a file-less StreamingSidecar,
routes through the existing applyCachedModel chunk planner, then
gathers per-chunk vertex+index bytes from memory and feeds
applyStreamedChunk synchronously. Every chunk lands is_resident=true
immediately (no disk I/O to defer).
Streaming collapse:
- Delete the applyCachedModel(SidecarData) full-load path entirely.
- Rename applyCachedModelStreaming → applyCachedModel; loadSidecar
always uses the metadata-only reader. Drop the --streaming CLI flag
from IfcViewerWgpuMinimal and the streaming_enabled_ field.
WgpuSelectionState::ids() → selectionIds() so bonsai's
`viewport_->selection().selectionIds()` compiles unchanged.
Eigen3 added as a public dep of IfcViewerWgpu for the federation
matrices.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
IfcOpenShell
IfcOpenShell is an open source (LGPL) software library for working with Industry Foundation Classes (IFC). Complete parsing support is provided for IFC2x3 TC1, IFC4 Add2 TC1, IFC4x1, IFC4x2, and IFC4x3 Add2. Extensive geometric support is implemented for the IFC releases IFC2x3 TC1 and IFC4 Add2 TC1. Extending with support for arbitrary IFC schemas is possible at compile-time when using C++ and at run-time when using Python.
In addition to a C++ and Python API, IfcOpenShell comes with an ecosystem of tools, notably including IfcConvert (an application to convert IFC models to other formats), Bonsai (an add-on to Blender providing a graphical IFC authoring platform), and many other libraries, CLI apps, and more. Support is also provided for auxiliary standards such as BCF and IDS.
For more information, see:
Development is sponsored through your generous donations!
Contents
| Name | Description | License | Service |
|---|---|---|---|
| bcf | Library to read and write BCF-XML and query OpenCDE BCF-API modules | LGPL-3.0-or-later |   |
| bonsai | Add-on to Blender providing a graphical native IFC authoring platform | GPL-3.0-or-later |    |
| bsdd | Library to query the bSDD API | LGPL-3.0-or-later |  |
| ifc2ca | Utility to convert IFC structural analysis models to Code_Aster | LGPL-3.0-or-later | |
| ifc4d | Convert to and from IFC and project management software | LGPL-3.0-or-later |  |
| ifc5d | Report and optimise cost information from IFC | LGPL-3.0-or-later |  |
| ifcbimtester | Wrapper for Gherkin based unit testing for IFC models | LGPL-3.0-or-later | |
| ifcblender | Historic Blender IFC import add-on | LGPL-3.0-or-later* | |
| ifccityjson | Convert CityJSON to IFC | LGPL-3.0-or-later |  |
| ifcclash | Clash detection library and CLI app | LGPL-3.0-or-later |  |
| ifcconvert | CLI app to convert IFC to many other formats | LGPL-3.0-or-later* |   |
| ifccsv | Library and CLI app to export and import schedules from IFC | LGPL-3.0-or-later |  |
| ifcdiff | Compare changes between IFC models | LGPL-3.0-or-later |  |
| ifcedit | CLI wrapper for ifcopenshell.api IFC model mutation functions | LGPL-3.0-or-later |  |
| ifcfm | Extract IFC data for FM handover requirements | LGPL-3.0-or-later |  |
| ifcmax | Historic extension for IFC support in 3DS Max | LGPL-3.0-or-later* | |
| ifcmcp | MCP server for querying and editing IFC building models | LGPL-3.0-or-later |  |
| ifcopenshell-python | Python library for IFC manipulation | LGPL-3.0-or-later* |         |
| ifcpatch | Utility to run pre-packaged scripts to manipulate IFCs | LGPL-3.0-or-later |  |
| ifcquery | CLI tool for querying and inspecting IFC building models | LGPL-3.0-or-later |  |
| ifcsverchok | Blender Add-on for visual node programming with IFC | GPL-3.0-or-later |  |
| ifctester | Library, CLI and webapp for IDS model auditing | LGPL-3.0-or-later |  |
The IfcOpenShell C++ codebase is split into multiple interal libraries:
| Name | Description | License |
|---|---|---|
| ifcgeom | Internal library for IfcOpenShell | LGPL-3.0-or-later* |
| ifcgeom_schema_agnostic | Internal library for IfcOpenShell | LGPL-3.0-or-later* |
| ifcgeomserver | Internal library for IfcOpenShell | LGPL-3.0-or-later* |
| ifcjni | Internal library for IfcOpenShell | LGPL-3.0-or-later* |
| ifcparse | Internal library for IfcOpenShell | LGPL-3.0-or-later* |
| ifcwrap | Internal library for IfcOpenShell | LGPL-3.0-or-later* |
| qtviewer | Internal library for IfcOpenShell | LGPL-3.0-or-later* |
| serializers | Internal library for IfcOpenShell | LGPL-3.0-or-later* |