if (t.showMark && t.mark && ((!t.isMinorTick && axis.drawMajorTickMarks) || (t.isMinorTick && axis.drawMinorTickMarks)) ) {
                                    s = t.markSize;
                                    m = t.mark;
                                    var pos = Math.round(axis.u2p(t.value)) + 0.5;
                                    switch (m) {