e({
                      geometryString: 'M0 0 V15',
                      stroke: 'white',
                      strokeWidth: 3,
                      interval: 4
                    }),
                    new go.TextBlock({
                      // each tick label
                      interval: 4,
                      alignmentFocus: go.Spot.Center,
                      font: 'bold italic 14pt sans-serif',
                      stroke: 'white',
                      segmentOffset: new go.Point(0, 30)