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fix: keep camera geometry aligned with trajectories

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Codex
2026-08-28 16:08:21 +09:00
parent 6280fa4dfd
commit 6490bbe6fc
2 changed files with 60 additions and 9 deletions
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tests/unit/camera.test.js
+38 -1
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@@ -249,7 +249,14 @@ test("Camera workload counts unique overlapping FFT bins", () => {
test("Camera distance shift keeps the scene and scan on one z plane", () => {
const scene = {
sources: [
{ id: "one", position: [0.1, -0.2, 2] },
{
id: "one",
position: [0.1, -0.2, 2],
trajectory: [
{ time: 0, position: [0.1, -0.2, 2] },
{ time: 1, position: [0.6, 0.3, 2.5] },
],
},
{ id: "two", position: [-0.3, 0.4, 2.5] },
],
image: { plane: { z: 2, xMin: -1, xMax: 1, yMin: -1, yMax: 1 } },
@@ -260,6 +267,16 @@ test("Camera distance shift keeps the scene and scan on one z plane", () => {
assertEqual(experiment.scan.z, 3.25, "scan z");
assertEqual(scene.sources[0].position.join(","), "0.1,-0.2,3.25", "first source z shift");
assertEqual(
scene.sources[0].trajectory[0].position.join(","),
"0.1,-0.2,3.25",
"first trajectory keyframe z shift",
);
assertEqual(
scene.sources[0].trajectory[1].position.join(","),
"0.6,0.3,3.75",
"later trajectory keyframe retains relative depth",
);
assertEqual(scene.sources[1].position.join(","), "-0.3,0.4,3.75", "relative source depth retained");
assertEqual(scene.image.plane.z, 3.25, "background image plane z shift");
});
@@ -302,6 +319,26 @@ test("Camera aligns an experiment to an imported scene without changing grid res
assertNear(experiment.scan.yMax, 0.45, 1e-12, "source y maximum with padding");
assertEqual(experiment.scan.columns, 32, "columns retained after source fallback");
assertEqual(experiment.scan.rows, 24, "rows retained after source fallback");
const movingScene = {
sources: [
{
id: "moving",
position: [-2, -3, 1],
trajectory: [
{ time: 0, position: [-2, -3, 1] },
{ time: 1, position: [4, 5, 9] },
],
},
{ id: "fixed", position: [0, 1, 5] },
],
};
assertEqual(alignExperimentToScene(experiment, movingScene), "source-bounds", "trajectory fallback");
assertEqual(experiment.scan.z, 5, "trajectory depths contribute to median scan depth");
assertNear(experiment.scan.xMin, -2.9, 1e-12, "trajectory x minimum with padding");
assertNear(experiment.scan.xMax, 4.9, 1e-12, "trajectory x maximum with padding");
assertNear(experiment.scan.yMin, -4.2, 1e-12, "trajectory y minimum with padding");
assertNear(experiment.scan.yMax, 6.2, 1e-12, "trajectory y maximum with padding");
});
test("Camera result document is schema-safe and linked to its snapshot", async () => {