initial version of random angle strokes

tests/test_render.py

@@ -34,7 +34,7 @@ MANIFEST_SCHEMA = "orisys-sensor-design/probe-render-manifest-v1"
 #: NOT pinned here: the user changes its render resolution as the bench is re-targeted
 #: (500x500 -> 250x250), and a literal would call that legitimate edit a regression. What
 #: the end-to-end test guards instead is that the pipeline never writes the blend.
-MESH_PX_PER_MM = {"min": 10.4994, "p50": 13.4302, "max": 38.5943}
+MESH_PX_PER_MM = {"min": 3.80165, "p50": 4.87396, "max": 20.94209}
 FRAME_COUNT = 31
 REFERENCE_NAME = "000_reference"
 REFERENCE_NULL_NAME = "reference_null"
@@ -651,14 +651,9 @@ def test_render_exits_3_when_a_required_artifact_is_missing(
 
 @pytest.fixture(scope="module")
 def real_npz(tmp_path_factory) -> Path:
-    """The deform stage's contract artifact, produced by T1's script if absent."""
-    canonical = deform.probe_artifact_paths(deform.probe_output_dir(REPO, paths_for_deform()))[
-        "frames"
-    ]
-    if canonical.is_file() and canonical.stat().st_size > 0:
-        return canonical
+    """Generate deformation from the current scene so mesh edits cannot reuse stale frames."""
     if BLENDER is None:
-        pytest.skip("probe_frames.npz absent and no Blender to build it")
+        pytest.skip("no Blender to build probe_frames.npz")
     scratch = tmp_path_factory.mktemp("t2_deform")
     rev = RevisionPaths.from_revision_dir(REVISION_DIR)
     probe = deform.resolve_probe(rev)
@@ -694,6 +689,7 @@ def test_end_to_end_render_manifest(paths, settings, real_npz, tmp_path):
     # --- identity and settings that must never silently change ---
     assert manifest["schema"] == MANIFEST_SCHEMA
     assert manifest["uv_map"] == "compute"
+    assert manifest["camera"] == "cam_sensor"
     width, height = tuple(settings.resolution)
     assert (manifest["width"], manifest["height"]) == (width, height)
     applied = manifest["settings_applied"]
@@ -736,14 +732,14 @@ def test_end_to_end_render_manifest(paths, settings, real_npz, tmp_path):
         <= mesh_scale["p95"]
         <= mesh_scale["max"]
     )
-    # MESH_PX_PER_MM is measured at 500x500, and px/mm is linear in the render width, so
+    # MESH_PX_PER_MM is measured at 250x250, and px/mm is linear in the render width, so
     # scale it to the resolution the design declares rather than re-pinning it every time
     # the bench is re-targeted. Halving the width must halve the scale.
-    factor = width / 500.0
+    factor = width / 250.0
     assert mesh_scale["min"] == pytest.approx(MESH_PX_PER_MM["min"] * factor, abs=0.02)
     assert mesh_scale["p50"] == pytest.approx(MESH_PX_PER_MM["p50"] * factor, abs=0.02)
     assert mesh_scale["max"] == pytest.approx(MESH_PX_PER_MM["max"] * factor, abs=0.05)
-    assert mesh_scale["basis"] == "per-mesh-edge projected px / 3D mm, all 7341 edges"
+    assert mesh_scale["basis"] == "per-mesh-edge projected px / 3D mm, all 7590 edges"
 
     probe_scale = manifest["probe_px_per_mm"]
     axis_scales = [probe_scale["x"], probe_scale["y"], probe_scale["z"]]