[GitHub] [echarts] 100pah opened a new issue, #17937: labelLayout.moveOverlap does not work when labelLayout.x/y is not set [Feature]

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

100pah opened a new issue, #17937:
URL: https://github.com/apache/echarts/issues/17937

   ### What problem does this feature solve?
   
   I do not want `labelLayout.x` set but prefer the labels are placed beside the symbol. But in this case, `labelLayout.moveOverlap` does not work, and the labels will overlap.
   
   
   ```js
   // prettier-ignore
   const data = [
       [[28604, 77, 17096869, 'Australia', 1990], [31163, 77.4, 27662440, 'Canada', 1990], [1516, 68, 1154605773, 'China', 1990], [13670, 74.7, 10582082, 'Cuba', 1990], [28599, 75, 4986705, 'Finland', 1990], [29476, 77.1, 56943299, 'France', 1990], [31476, 75.4, 78958237, 'Germany', 1990], [28666, 78.1, 254830, 'Iceland', 1990], [1777, 57.7, 870601776, 'India', 1990], [29550, 79.1, 122249285, 'Japan', 1990], [2076, 67.9, 20194354, 'North Korea', 1990], [12087, 72, 42972254, 'South Korea', 1990], [24021, 75.4, 3397534, 'New Zealand', 1990], [43296, 76.8, 4240375, 'Norway', 1990], [10088, 70.8, 38195258, 'Poland', 1990], [19349, 69.6, 147568552, 'Russia', 1990], [10670, 67.3, 53994605, 'Turkey', 1990], [26424, 75.7, 57110117, 'United Kingdom', 1990], [37062, 75.4, 252847810, 'United States', 1990]],
       [[44056, 81.8, 23968973, 'Australia', 2015], [43294, 81.7, 35939927, 'Canada', 2015], [13334, 76.9, 1376048943, 'China', 2015], [21291, 78.5, 11389562, 'Cuba', 2015], [38923, 80.8, 5503457, 'Finland', 2015], [37599, 81.9, 64395345, 'France', 2015], [44053, 81.1, 80688545, 'Germany', 2015], [42182, 82.8, 329425, 'Iceland', 2015], [5903, 66.8, 1311050527, 'India', 2015], [36162, 83.5, 126573481, 'Japan', 2015], [1390, 71.4, 25155317, 'North Korea', 2015], [34644, 80.7, 50293439, 'South Korea', 2015], [34186, 80.6, 4528526, 'New Zealand', 2015], [64304, 81.6, 5210967, 'Norway', 2015], [24787, 77.3, 38611794, 'Poland', 2015], [23038, 73.13, 143456918, 'Russia', 2015], [19360, 76.5, 78665830, 'Turkey', 2015], [38225, 81.4, 64715810, 'United Kingdom', 2015], [53354, 79.1, 321773631, 'United States', 2015]]
   ];
   option = {
     xAxis: {
       splitLine: { show: false }
     },
     yAxis: {
       splitLine: { show: false },
       scale: true
     },
     grid: {
       left: 40,
       right: 130
     },
     series: [
       {
         name: '1990',
         encode: {
           label: 3
         },
         data: data[0],
         type: 'scatter',
         emphasis: {
           focus: 'self'
         },
         labelLayout: {
           // x: 200,
           // hideOverlap: true,
           // moveOverlap: 'shuffleX'
           moveOverlap: 'shiftY'
         },
         label: {
           show: true,
           position: 'right',
           minMargin: 2
         }
       }
     ]
   };
   ```
   
   ### What does the proposed API look like?
   
   Support `labelLayout.moveOverlap` when label is placed beside the symbol, which is probably the most case in use.


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