Function assertRoundTrip

src/parsers/colmapRoundTrip.test.ts:52–63

(original: Map<CameraId, Camera>, reparsed: Map<CameraId, Camera>)

}

function assertRoundTrip(original: Map<CameraId, Camera>, reparsed: Map<CameraId, Camera>): void {
  expect(reparsed.size).toBe(original.size);
  for (const [cameraId, cam] of original) {
    const rt = reparsed.get(cameraId);
    expect(rt, `camera ${cameraId}`).toBeDefined();
    expect(rt!.modelId).toBe(cam.modelId);
    expect(rt!.width).toBe(cam.width);
    expect(rt!.height).toBe(cam.height);
    // Exact, element-for-element: toPrecision(17) round-trips every float64.
    expect(rt!.params).toEqual(cam.params);
  }
}

describe('camera export round-trip (COLMAP 4.1 models 11-17)', () => {
  it('text: parse(writeCamerasText(cameras)) preserves every param exactly', () => {