mirror of
https://github.com/brunopostle/ifcurl.git
synced 2026-07-12 10:18:14 +00:00
Bruno Postle
63c0cc7ada
- Add ⎘ button to copy the current ifc:// URL to clipboard - Add Issue button to open a pre-filled new issue on the git host - Add click-to-identify via OBC.Highlighter: clicking an element shows its IFC type, name, and GlobalId in a panel with a copy button - Replace arrayBuffer() with ReadableStream loop showing fetch progress as percentage (when Content-Length known) or MB transferred - README: document viewer features, collaboration workflow, and that private Forgejo repos work via same-origin session cookie - CLAUDE.md: document that [attr=val] bracket selector syntax is invalid; correct form is comma-separated (IfcWall, Name="...") and bare GlobalId Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
116 lines
4.9 KiB
Markdown
116 lines
4.9 KiB
Markdown
# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Commands
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```bash
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pip install -e ".[render]" # install with rendering dependencies
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pip install -e ".[service]" # install with service dependencies (includes render)
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python -m pytest tests/ # run all tests
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python -m pytest tests/test_url.py -v
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ifcurl render "ifc://..." # render a URL to ifc-url-render.png
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ifcurl render "ifc://..." -o out.png
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ifcurl serve # start preview service on 127.0.0.1:8000
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ifcurl serve --host 0.0.0.0 --port 9000
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```
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## Project overview
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`ifcurl` implements the `ifc://` URL scheme — a way to address a specific view of an IFC model stored in a Git repository. A single URL encodes the git source, an optional IfcOpenShell selector, and an optional camera viewpoint.
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Full spec: `SPECIFICATION.md`. Development tasks tracked in beads (`bd ready`).
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## URL structure
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```
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ifc://[user@]host/org/repo@<ref>?<parameters>
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```
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Transport is inferred: `user@host` → SSH, bare `host` → HTTPS, empty authority (`ifc:///path`) → local file. Refs use git namespace form: `@heads/<branch>`, `@tags/<tag>`, `@<hash>`, `@HEAD`.
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Key query parameters: `path` (IFC file in repo), `selector` (IfcOpenShell selector expression), `camera` (9 floats: position, direction, up), `fov` (perspective) or `scale` (orthographic), `clip` (repeatable clipping plane, 6 floats), `visibility` (`highlight`/`ghost`/`isolate`).
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## Development phases
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| Phase | Description | Language |
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|---|---|---|
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| 1 | Python core library + CLI | Python |
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| 2 | HTTP preview service with caching | Python |
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| 3 | Gitea plugin for inline preview embedding | Go |
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| 4 | Bonsai integration (OS protocol handler + "Copy view URL") | Python |
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| 5 | IFC Viewer integration | Python |
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| 6 | `IFCDOCUMENTREFERENCE` federation extension | Python |
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Phase 1 is the foundation for all other phases. Phases 3–6 cannot begin until Phase 1 exists.
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## Phase 1 — Python core responsibilities
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- Parse `ifc://` URL into components
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- Infer git transport and fetch the IFC file at the specified ref
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- Execute an IfcOpenShell selector against the loaded model
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- Apply camera, clipping planes, and visibility mode
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- Render a static PNG (headless / software OpenGL)
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CLI entry point: `ifcurl render "<url>"`
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## Caching (Phase 2)
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Tier 2: commit hash → parsed model structure (shared across requests)
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Tier 3: commit hash + selector → resolved GUID set
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Tier 4: full URL hash → rendered PNG (**never** applied to mutable refs like `@heads/` or `@HEAD`)
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## Key domain facts
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- All spatial values (`camera`, `clip`) are in IFC world coordinates, matching BCF viewpoint conventions — not georeferenced survey coordinates.
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- The `selector` parameter uses IfcOpenShell selector syntax. `+` joins selector groups (union); `,` separates filters within a group. **`[attr=val]` bracket notation is NOT valid** — the correct form is `IfcWall, Name="Core Wall"`. A bare 22-char GlobalId selects a single element: `selector=325Q7Fhnf67OZC$$r43uzK`.
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- `IFCDOCUMENTREFERENCE` location fields may be relative paths (resolved within the same repo/ref), absolute local paths (desktop only), or `ifc://` URLs (cross-repo federation).
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- BCF ↔ IFC URL conversion is defined in `SPECIFICATION.md` §6.
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<!-- BEGIN BEADS INTEGRATION v:1 profile:minimal hash:ca08a54f -->
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## Beads Issue Tracker
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This project uses **bd (beads)** for issue tracking. Run `bd prime` to see full workflow context and commands.
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### Quick Reference
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```bash
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bd ready # Find available work
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bd show <id> # View issue details
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bd update <id> --claim # Claim work
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bd close <id> # Complete work
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```
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### Rules
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- Use `bd` for ALL task tracking — do NOT use TodoWrite, TaskCreate, or markdown TODO lists
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- Run `bd prime` for detailed command reference and session close protocol
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- Use `bd remember` for persistent knowledge — do NOT use MEMORY.md files
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## Session Completion
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**When ending a work session**, you MUST complete ALL steps below. Work is NOT complete until `git push` succeeds.
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**MANDATORY WORKFLOW:**
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1. **File issues for remaining work** - Create issues for anything that needs follow-up
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2. **Run quality gates** (if code changed) - Tests, linters, builds
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3. **Update issue status** - Close finished work, update in-progress items
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4. **PUSH TO REMOTE** - This is MANDATORY:
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```bash
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git pull --rebase
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bd dolt push
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git push
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git status # MUST show "up to date with origin"
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```
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5. **Clean up** - Clear stashes, prune remote branches
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6. **Verify** - All changes committed AND pushed
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7. **Hand off** - Provide context for next session
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**CRITICAL RULES:**
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- Work is NOT complete until `git push` succeeds
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- NEVER stop before pushing - that leaves work stranded locally
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- NEVER say "ready to push when you are" - YOU must push
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- If push fails, resolve and retry until it succeeds
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<!-- END BEADS INTEGRATION -->
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