Function makeCategoryTicks

libs/echarts/echarts-en.simple.js:38343–38383

(axis, tickModel)

}

function makeCategoryTicks(axis, tickModel) {
    var ticksCache = getListCache(axis, 'ticks');
    var optionTickInterval = getOptionCategoryInterval(tickModel);
    var result = listCacheGet(ticksCache, optionTickInterval);

    if (result) {
        return result;
    }

    var ticks;
    var tickCategoryInterval;

    // Optimize for the case that large category data and no label displayed,
    // we should not return all ticks.
    if (!tickModel.get('show') || axis.scale.isBlank()) {
        ticks = [];
    }

    if (isFunction$1(optionTickInterval)) {
        ticks = makeLabelsByCustomizedCategoryInterval(axis, optionTickInterval, true);
    }
    // Always use label interval by default despite label show. Consider this
    // scenario, Use multiple grid with the xAxis sync, and only one xAxis shows
    // labels. `splitLine` and `axisTick` should be consistent in this case.
    else if (optionTickInterval === 'auto') {
        var labelsResult = makeCategoryLabelsActually(axis, axis.getLabelModel());
        tickCategoryInterval = labelsResult.labelCategoryInterval;
        ticks = map(labelsResult.labels, function (labelItem) {
            return labelItem.tickValue;
        });
    }
    else {
        tickCategoryInterval = optionTickInterval;
        ticks = makeLabelsByNumericCategoryInterval(axis, tickCategoryInterval, true);
    }

    // Cache to avoid calling interval function repeatly.
    return listCacheSet(ticksCache, optionTickInterval, {
        ticks: ticks, tickCategoryInterval: tickCategoryInterval
    });
}

function makeRealNumberLabels(axis) {
    var ticks = axis.scale.getTicks();