export class PolyDataParser {
    parse(vtkData) {
      const points = vtkData.points.map(p => [p.x, p.y, p.z]).flat();
      const polygons = vtkData.polygons || [];
      const pointData = vtkData.pointData || {};
      const normals = vtkData.normals || [];
  
      return {
        points,
        polygons,
        pointData,
        normals,
      };
    }
  }