animations

test/freemocapImport.mjs

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+import { parseFreeMoCapCsv } from '../src/studio/freemocapImport.js';
+import { done, ok, section } from './harness.mjs';
+
+const points = [
+  'left_ear', 'right_ear', 'left_shoulder', 'right_shoulder',
+  'left_elbow', 'right_elbow', 'left_wrist', 'right_wrist',
+  'left_hip', 'right_hip', 'left_knee', 'right_knee',
+  'left_ankle', 'right_ankle', 'left_heel', 'right_heel',
+  'left_foot_index', 'right_foot_index',
+];
+
+section('FreeMoCap tidy XYZ data imports into MediaPipe landmark order');
+{
+  const lines = ['frame,keypoint,x,y,z,model,trajectory,reprojection_error'];
+  for (const trajectory of ['3d_xyz', 'rigid_3d_xyz']) {
+    for (const frame of [0, 1]) {
+      for (const [index, point] of points.entries()) {
+        const base = trajectory === 'rigid_3d_xyz' ? 200 : 100;
+        lines.push(`${frame},${point},${base + index},20,300,mediapipe_body,${trajectory},0.5`);
+      }
+    }
+  }
+  // Non-body rows in the tidy all-data file must not contaminate the pose.
+  lines.push('0,left_wrist,999,999,999,mediapipe_left_hand,rigid_3d_xyz,0.5');
+  const result = parseFreeMoCapCsv(lines.join('\n'));
+  ok(result.frames.length === 2, 'all complete body frames import');
+  ok(result.trajectory === 'rigid_3d_xyz', 'rigid body trajectory is preferred when available');
+  ok(result.tracker === 'MediaPipe', 'tracker metadata is reported');
+  const leftEar = result.frames[0].landmarks[7];
+  ok(leftEar.x === 200 && leftEar.y === -300 && leftEar.z === -20, 'FreeMoCap Z-up axes convert for the Tilt retargeter');
+}
+
+section('FreeMoCap per-trajectory CSV and RTMPose toe names are accepted');
+{
+  const rtmposePoints = points.map((point) => point.replace('foot_index', 'big_toe'));
+  const lines = ['frame,keypoint,x,y,z'];
+  for (const [index, point] of rtmposePoints.entries()) lines.push(`4,${point},${index},10,20`);
+  const result = parseFreeMoCapCsv(lines.join('\r\n'));
+  ok(result.frames[0].frame === 4, 'source frame numbers survive import');
+  ok(result.frames[0].landmarks[31].visibility === 1, 'RTMPose big toe maps to the Tilt foot-index landmark');
+}
+
+done('FreeMoCap import');