AmChart3 删除几个图例之一

如何解决AmChart3 删除几个图例之一

可以删除一个图例吗？

我想remove one of several legends。喜欢这张照片

有没有办法删除图例的一部分但使图形仍然存在？

我尝试使用 remove_legend 但所有图例都删除了所以我想要一个图例

删除但图形仍然活着有可能吗？？

enter image description here

<script>
var chart = AmCharts.makeChart("chartdiv",{
    "type": "serial","theme": "none","legend": {
        "horizontalGap": 10,"maxColumns": 1,"position": "right","useGraphSettings": true,"markerSize": 10
    },"dataProvider": [{
        "year": 2003,"europe": 2.5,"namerica": 2.5,"asia": 2.1,"lamerica": 0.3,"meast": 0.2,"africa": 0.1
    },{
        "year": 2004,"europe": 2.6,"namerica": 2.7,"asia": 2.2,"meast": 0.3,{
        "year": 2005,"europe": 2.8,"namerica": 2.9,"asia": 2.4,"africa": 0.1
    }],"valueAxes": [{
        "stackType": "regular","axisAlpha": 0.5,"gridAlpha": 0
    }],"graphs": [{
        "balloonText": "<b>[[title]]</b><br><span style='font-size:14px'>[[category]]: <b>[[value]]</b></span>","fillAlphas": 0.8,"labelText": "[[value]]","lineAlpha": 0.3,"title": "Europe","type": "column","color": "#000000","valueField": "europe"
    },{
        "balloonText": "<b>[[title]]</b><br><span style='font-size:14px'>[[category]]: <b>[[value]]</b></span>","title": "north America","valueField": "namerica"
    },"title": "Asia-Pacific","valueField": "asia"
    },"title": "Latin America","valueField": "lamerica"
    },"title": "Middle-East","valueField": "meast"
    },"title": "Africa","valueField": "africa"
    }],"rotate": true,"categoryField": "year","categoryAxis": {
        "gridPosition": "start","axisAlpha": 0,"gridAlpha": 0,"position": "left"
    },"export": {
        "enabled": true
     }
});
</script>