Justin-ZS commented on issue #20294:
URL: https://github.com/apache/echarts/issues/20294#issuecomment-2609439785

   我用多 axis 魔改了一个 
[demo](https://echarts.apache.org/examples/zh/editor.html?c=line-marker&reset=1&edit=1&renderer=svg&code=PYBwLglsB2AEC8sDeAoWsDGwA2wBOAXLANprqwDkAxACwDMA7AJwDCAohQDRnrVNMAhABwAxAIxcelKiICCAEQGNJ5aSJZCAbAAYATCvLURchjSEHeVBroEBWNgIvSGQlvLbyn1WSyay2-tyqRj50miJeMvIMIjEUZAC6QbAAnrIAHhAAzkSoqmApIACmRBQAbgCG2ACuRU4gwFkQkDCl2EUAZmDx6AC-yQAmFWAVAFrAwAC2RKSqeaqwBcWlWdgQA0V4TuiTENAAalW1AMogFdBEYlK9icnpGdkzUvP5hSWUGMNFAOb4KduwBpNFoXSgAI2AYDAUwBFUyWQAMhUwUVsLkpKpJhU8N89kRtMkFrAABZFCDfYlgIh0AkY8hraBFAASZIpVNgNMJCwA7uswMSiEJaUT0MAypsOrhuaUwHhqtBPmA6lzVHslXhKmjYMKRcT1kUAPLivDYCogIgdKpZIp0m6qfrPOlLd4URU_P4AoHNKCgigQqEwlWwdalM54IrQbpBuHZAAqEAwAGt0SLYO1oN9-dSdUS1ZtNfig-g9k0NkRZbVbUHgB0Otb2Zy6THEcjUSmRVicXjtUWSazKdnewzmf2GzmFmKJVKZXKFV8AegOvgsVDNkQABRlTjBgCUCAAfHTVMRbNuhAkAHR7DA1DZZdcQPcAflgAAMkGB0mAAD4AEiQZS9L0SA1nWRQ_r0r6wEQ76fj-_6AZBvYYNUWTQpMhw1EUOQkGI250Nup6wJoZ7bkw25iASsBiHh1G6EkR7BpG-ZVIWjF6hsRqbKa5qwJa2DWr2eAJgKyCMaKtb1u2qboKS5IDj24nkLyAxZrAQq9qoYIVEm3x4MA8oDCwO
 
D4DO5xZGGEbdEpdoirZ9pBkMIxPKmFCAG6agCRPoA3j4LpQnk-b27neb5FCAPsOgBKiQFjFBVFrn-SFEWxSKFCAPbBgCDKklRKpRlIWAOGagA-eoAFK5pSF8WBelPl0gk1xci85DOqUbq_Hg_xBl6IKlP66GwvC8ZJtJCydrioLjqoKFoVMmG1DhxBUQRsA0NuJGwAwZEUVRNEMam6aZqJOi9iW-rlnKNpEg6RKgVJxGjbATkVDMFBcJQT2Pdur3PW9L1fZ9P0fc91X2rcZDWsJ2EueQdXoA14LYgCEZYGWYmpukMxiFtIopDM9FVnS0AVJMLqAACpgC5GQA-kqaE3j05C2ejekhkj9WgIKXLtF0LNSMJbIc1pkLoUQNDjlgkYVHsSIolqFanbA52LBM2CQLxdWyuS3xrpQzZOMLHR7O8Utcs2AAKwB5oQjOvMslDQDAdQ1VIWTEsA0qLCdZCy2CcoOwN0I4BCKMkBQ4YYN0AMy8kPvYH7A0O07FpWtLst6WaeoYDM6N3VdswQ3SWQGXgGAjhUGxm_xgl0gMEAE9ATQwDNjGQwseME6UgBiqmlgBgSplIrQxQ-AV3j2C-egABeNuxm8pT6dy1Nnb2DeqE3Lpt4AsCqAA-eQ-LBPlB93sVQb6PjLj5bgdOzPCyy0S8_kIvpQk-T2FgFTml8cuwy5Bf3dbxQkrAMM-9j1_AmKsMBn0BkSdGqhc7VHzu8LORJiAxRemIC8DBEzfEAJHagBCA08oABAYxBMAALS2G0IAQJ1ACIDE9Si2gxC6HPL2BBZVKBMG0Nob4gA4_0AAS-YhPKULEDQTQugaAQIWAw4Kb1mGsLYYAPVjADHgbIAA1LoHhFE-GCPovQsKkUXqAC65QALJqABss2AgBPJ0AOV-DBAAkck9XQuhbA0F0NoYRx5EHiJYd8QAo2mAE_1bhHlKF6DEHQIRGjGEUAkd8QA2k6AHgLQAMk5iEAK3WyjqLaCFEKRx5AEGJ
 
RegwYhkxsBsMAM7ygBKJUAEV-4UcGAHjPQAJrGADx0wAB84UIovQMIDiNEVReilAh-jAB-boAeyD0GAGrtMJgARvMABxyViaC2AYDoVJ6AEGtLeu0wAmvKAEG5QA-K6AAbFQAaz6AFXHQAuV6UNodoGggTGIIIKsVF6gBcWMAE1yblABvLoAS31ABLboAB5tAC_aoAUYjAAHpoARqDeGaBoNYaZAdgmhOkXI-R3jKG2ACcQoFsycrzIIYAJONABL1mwwAORmAFztXxTAhCAqqlyWmyQyjZGqFUAAsmaNOKBegAG4gA)
   
   重复的 Label 使用 
[customValues](https://echarts.apache.org/zh/option.html#yAxis.axisLabel.customValues)
 来仅绘制中间的 Label.(如果是偶数重复,就选中间两者里靠后的)
    偶数重复的 Label 还有一步,需要在绘制完成后拿到两个 tick 间的长度,再偏移 Label 来居中
   获取两个 tick 间的长度
   ```js
   ((axis = 'yAxis') => {
       const chart = 
echarts.getInstanceByDom(document.querySelector('[_echarts_instance_]'));
       const indexName = axis === 'yAxis' ? 'yAxisIndex' : 'xAxisIndex';
       // 通过 convertToPixel 来转换坐标
       const pos1 = chart.convertToPixel({[indexName]: 0}, 0);  // 转换第一个位置
       const pos2 = chart.convertToPixel({[indexName]: 0}, 1);  // 转换第二个位置
       return Math.abs(pos2 - pos1); 
   })()
   ```


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