                  alignmentFocus: go.Spot.Center,
                        stroke: 'gray'
                      }),
                      new go.Shape({
                        geometryString: 'M0 0 V20',
                        alignmentFocus: go.Spot.Center,
                        interval: 5,
                        strokeWidth: 1.5
                      })
                    )
                ),
                new go.Panel('Spot', {
                  alignment: go.Spot.Left,
                  alignmen