VectorImage LayerList

scanDocument = scanDeviceManager.CreateScanDocument(GetselectedDeviceUniqueName(), DistanceUnit.Millimeters, false);

if (scanDocument != null)
{
    VectorImage vectorImage = scanDocument.CreateVectorImage("image1", DistanceUnit.Millimeters);

    vectorImage.SetMarkSpeed(1000);
    vectorImage.SetJumpSpeed(2000);
    vectorImage.SetJumpDelay(100);
    vectorImage.SetMarkDelay(100);

    //Set Laser Delays
    vectorImage.SetLaserOnDelay(10);
    vectorImage.SetLaserOffDelay(10);

    CircleShape circleShape = new CircleShape();
    circleShape.CenterPoint.X = 0.0f;
    circleShape.CenterPoint.Y = 0.0f;
    circleShape.CenterPoint.Z = 0.0f;
    circleShape.Clockwise = true;
    circleShape.Radius = 10;
    circleShape.StartAngle = 0;
    circleShape.MaximumSegmentationError = 0.001f;

    ScanLayer newLayer = new ScanLayer();
    newLayer.AddToShapeList(circleShape);
    vectorImage.LayerList.Add(newLayer);

    SpiralShape spiral = new SpiralShape();
    spiral.CenterPoint = new Point3D(-1, 0, 0);
    spiral.InnerRadius = 0.2f;
    spiral.OuterRadius = 1.2f;
    spiral.Angle = 0.3f;
    spiral.Pitch = 0.1f;

    newLayer = new ScanLayer();
    newLayer.AddToShapeList(spiral);
    vectorImage.LayerList.Add(newLayer);

    // Now update the scanDocument 
    List<VectorImage> updatedVectorImageList = new List<VectorImage>();
    updatedVectorImageList.Add(vectorImage);

    scanDocument.SetVectorImages(updatedVectorImageList);


    scanDocument.Scripts.Add(new ScanningScriptChunk("defaultScript", "ScanAll()"));
    //scanDocument.Scripts.Add(DefautScript());

    try
    {
        scanDocument.StartScanning();
    }
    catch
    {

    }

}