[GitHub] [echarts] jiawulin001 commented on issue #16783: [Bug] The y-axis is not displayed in the correct position

[GitBox <gi...@apache.org>]

jiawulin001 commented on issue #16783:
URL: https://github.com/apache/echarts/issues/16783#issuecomment-1084264977


   Both x axis and y axis is by default locked at zero of each other. Only after you set `axis.axisLine.onZero` to `false` can you unlock and move it as you wish.
   <details>
   <summary>Code Sample</summary>
   
   ```
   option = {
     legend: {
       data: ['line11', 'line22']
     },
     tooltip: {
       trigger: 'axis',
       axisPointer: {
         type: 'cross',
         animation: false
       }
     },
     toolbox: {
       show: true,
       feature: {
         dataZoom: {
           // yAxisIndex: 'none'
         },
         dataView: { readOnly: false },
         //magicType: {type: ['line']},
         restore: {},
         saveAsImage: {}
       }
     },
     grid: {
       top: 70,
       bottom: 50
     },
     xAxis: [
       {
         type: 'value',
         name: 'xAxisName111',
         // scale: true
       },
       {
         name: 'xAxisName222',
         type: 'value'
       }
     ],
     yAxis: [
       {
         name: 'yAxisName1111',
         type: 'value',
         axisLine: {
           onZero: false
         }
       },
       {
         name: 'yAxisName2222',
         type: 'value',
         axisLine: {
           onZero: false
         },
       }
     ],
     series: [
       {
         name: 'line11',
         symbolSize: 5,
         data: [
           [-10, 4],
           [1.1, 9],
           [1.21, 18],
           [1.32, 40],
           [1.53, 71],
           [1.74, 88],
           [1.85, 55],
           [1.96, 32],
           [2.07, 9],
           [2.38, 0.2]
         ],
         type: 'line',
         smooth: true,
         showSymbol: false,
         yAxisIndex: 0,
         xAxisIndex: 0
         // barGap: 0
       },
       {
         name: 'line22',
         symbolSize: 5,
         yAxisIndex: 1,
         xAxisIndex: 0,
         data: [
           [0.98, 1],
           [1.3, 6],
           [1.41, 27],
           [1.62, 45],
           [1.73, 77],
           [1.84, 85],
           [2.05, 47],
           [2.16, 18],
           [2.37, 6],
           [2.38, 0.2]
         ],
         type: 'line',
         smooth: true,
         showSymbol: false,
         barGap: 0
       }
     ]
   };
   ```
   </details>
   @pissang @plainheart I think setting `axisLine.onZero` as true by default would be sometimes very confusing, because it will make `axis.position` and `axis.offset` completely dead before user find out there's a `onZero` locking these options. I would suggest we at least clarify that user should turn off `onZero` before they use `position` and `offset`.


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