如何在AmCharts中的鼠標懸停圖例上顯示圖形值？

Question

我使用AmCharts並啓用了圖例和圖表遊標，但我不希望圖形值出現在圖例上的鼠標懸停中。我該如何禁用？請看我的截圖。

Chart Image

Answer 1

假設你正在使用常規串行圖（發佈您的代碼下一次），你可以通過設置圖例的valueText爲空字符串，例如抑制鼠標懸停傳說值

AmCharts.makeChart("chartdiv", { 
    // ... 
    legend: { 
    valueText: "", 
    // ... 
    }, 
    // ... 
}); 

演示下面：

var chart = AmCharts.makeChart("chartdiv", { 
 
    "type": "serial", 
 
    "legend": { 
 
    "useGraphSettings": true, 
 
    "valueText": "" 
 
    }, 
 
    "dataProvider": [{ 
 
    "year": 1930, 
 
    "italy": 1, 
 
    "germany": 5, 
 
    "uk": 3 
 
    }, { 
 
    "year": 1934, 
 
    "italy": 1, 
 
    "germany": 2, 
 
    "uk": 6 
 
    }, { 
 
    "year": 1938, 
 
    "italy": 2, 
 
    "germany": 3, 
 
    "uk": 1 
 
    }, { 
 
    "year": 1950, 
 
    "italy": 3, 
 
    "germany": 4, 
 
    "uk": 1 
 
    }, { 
 
    "year": 1954, 
 
    "italy": 5, 
 
    "germany": 1, 
 
    "uk": 2 
 
    }, { 
 
    "year": 1958, 
 
    "italy": 3, 
 
    "germany": 2, 
 
    "uk": 1 
 
    }], 
 
    "valueAxes": [{ 
 
    "integersOnly": true, 
 
    "maximum": 6, 
 
    "minimum": 1 
 
    }], 
 
    "startDuration": 0, 
 
    "graphs": [{ 
 
    "balloonText": "place taken by Italy in [[category]]: [[value]]", 
 
    "bullet": "round", 
 
    "title": "Italy", 
 
    "valueField": "italy", 
 
    "fillAlphas": 0 
 
    }, { 
 
    "balloonText": "place taken by Germany in [[category]]: [[value]]", 
 
    "bullet": "round", 
 
    "title": "Germany", 
 
    "valueField": "germany", 
 
    "fillAlphas": 0 
 
    }, { 
 
    "balloonText": "place taken by UK in [[category]]: [[value]]", 
 
    "bullet": "round", 
 
    "title": "United Kingdom", 
 
    "valueField": "uk", 
 
    "fillAlphas": 0 
 
    }], 
 
    "chartCursor": { 
 
    "zoomable": false 
 
    }, 
 
    "categoryField": "year" 
 

 
});

<script src="https://www.amcharts.com/lib/3/amcharts.js"></script> 
 
<script src="https://www.amcharts.com/lib/3/serial.js"></script> 
 
<div id="chartdiv" style="width: 100%; height: 300px"></div>