This fork had never been gated end to end. Five separate things stopped it, none
of them a defect in the CAD code itself, and each failure named the wrong
subsystem — which is why they survived.
1. run-all-checks.sh invoked docs/ux/mockups/gen_offer_table.py. The design docs
moved to docs/CAD/ (bbd1989e1e) and this path did not follow, so the rung
failed on a missing file.
2. gen_offer_table.py then resolved REPO one dirname short, because it now sits a
level deeper. OUT pointed at docs/src/.../DesignOffer.hpp, which does not
exist, so --check diffed the generated table against an EMPTY file and
reported all 189 lines as a difference.
3. DISPLAY was never passed into the container. The check scripts fall back to
":10", which is the other fork's rig; this one's Xvfb is :11. Symptom:
"FATAL no app window on :10", which reads like a dead app.
4. Every absolute chrome coordinate was written in the Snapmaker fork's layout.
This fork keeps mainline's top row (File / save / undo / redo / Calibration
with the title), so the whole chrome sits 26 px lower. At the unshifted y the
Design-tab click landed in the toolbar and the app stayed on the Home page,
reported as "no sketch opened after plane click + Shift+S"; the unshifted
Construction checkbox reported "0 construction axis". The three constants now
derive from CHROME_DY. Canvas coordinates were never affected -- clickmm()
computes them from live canvas geometry -- which is why dozens of geometric
properties passed exactly on a GUI that had never been driven.
5. CON_BTN was stale for every index after 5, from the sketch epic's six new
buttons. Fixed in both forks; see the companion commit on snaporca.
pdftocairo was also missing from the rig image (installed there, not a repo
change), without which every corpus sheet threw.
RESULT: offer-table, kernel, engine, corpus, corpus-scale and offer all hold.
The gesture ladder now reaches D2 and applies Equal length through the Constrain
toolbar, both sides landing at 99.928133658; it then fails re-entering the sketch
after commit, filed as snaporca-eoj1 with the evidence and the next measurement
to take. Kernel here is 7701 assertions / 270 cases.
Design-tab scripts
Everything here supports the parametric Design tab (src/libslic3r/CAD/,
src/slic3r/GUI/CAD/). Nothing here is needed to build or run OrcaSlicer — these
are the development and verification tools for that one feature.
The verb in the name is the role:
build-… |
produce a binary |
start-… |
bring something up and leave it running |
run-… |
run a suite and report pass/fail |
check-… |
one specific assertion, usually driving a live app |
Verification
| Script | What it proves | Needs |
|---|---|---|
run-kernel-tests.sh |
The CAD kernel builds and the Catch2 [CadDocument] tags pass — every case builds a document, recomputes it and asserts on real geometry. Exit 0 is the verification contract. |
Docker only. No display. |
run-all-checks.sh |
Every check below, in one command. The gate before pushing a Design-tab change. | Docker + the GUI container |
check-sketch-engine.py |
A ladder of 2D sketches of increasing complexity, judged on loop count, closure and void attribution rather than on area. | Kernel only |
check-sketch-engine-corpus.py |
The same ladder graded against a systematic sample of real drawings instead of shapes we chose. | Kernel + corpus |
check-gui-sketching.py |
The same profiles drawn the way a person draws them — synthetic mouse gestures and typed values. | Headless GUI |
check-gui-context-menu.py |
That right-click is the pivot of the design gesture, and adapts to what was clicked. | Headless GUI |
check-mcp-sketch.py |
The sketch layer driven over the MCP socket, asserting what decides whether a profile is buildable. | Headless GUI + SNAPORCA_MCP |
run-kernel-tests.sh is the only one CI can run. The rest need a live
application with an OpenGL canvas and synthetic input, which hosted runners do not
have. The kernel suite itself is already in CI by an ordinary route: the cases are
registered in tests/libslic3r/CMakeLists.txt under if (SLIC3R_CAD), so they are
part of libslic3r_tests and run under ctest on every platform like any other
unit test. This script exists for the local loop, where it is a two-minute round
trip instead of a full application build.
Build and run
| Script | Purpose |
|---|---|
build-gui.sh |
Build the GUI binary in a throwaway container, writing into the build-cache volume the long-lived GUI container reads. |
build-gui-incremental.sh |
Incremental build against the deps-baked image, for a fast edit/compile loop. |
start-headless-gui.sh |
Bring the app up on a headless X display (Xvfb + a window manager), ready to drive or attach to over VNC. |
Two constraints that are not obvious and have each cost a session:
- Never build inside the GUI container. Its baked source tree silently reconfigures the shared build directory and this fork's targets vanish.
- A window manager is required. Without one, windows are never focused, and an unfocused GTK app ignores synthetic keys — which looks exactly like a code bug.
docs/rig_build_traps.md documents these and three more, with symptoms and exact
recovery commands. Read it before debugging a configure or link failure one of
these scripts reports.