Question

我想为堆积柱形图创建一个通用图表。我将创建一个包含<div id="chart"></div>的angularjs指令，我的图表将在其中。

我为amCharts设置了dataProvider，但我需要为所有项目设置颜色。不自动生成颜色？

Answer 1

您能否提供您的数据提供商，是否在图表初始化时提供或者动态提供？

以下是amchart与初始化时间内数据提供者的示例 jsfiddle

var chart = AmCharts.makeChart("chart", {
"type": "serial",
"theme": "light",
"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,
    "lamerica": 0.3,
    "meast": 0.3,
    "africa": 0.1
}, {
    "year": 2005,
    "europe": 2.8,
    "namerica": 2.9,
    "asia": 2.4,
    "lamerica": 0.3,
    "meast": 0.3,
    "africa": 0.1
}],
"valueAxes": [{
    "stackType": "regular",
    "axisAlpha": 0.3,
    "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>",
    "fillAlphas": 0.8,
    "labelText": "[[value]]",
    "lineAlpha": 0.3,
    "title": "North America",
    "type": "column",
    "color": "#000000",
    "valueField": "namerica"
}, {
    "balloonText": "<b>[[title]]</b><br><span style='font-size:14px'>[[category]]: <b>[[value]]</b></span>",
    "fillAlphas": 0.8,
    "labelText": "[[value]]",
    "lineAlpha": 0.3,
    "title": "Asia-Pacific",
    "type": "column",
    "color": "#000000",
    "valueField": "asia"
}, {
    "balloonText": "<b>[[title]]</b><br><span style='font-size:14px'>[[category]]: <b>[[value]]</b></span>",
    "fillAlphas": 0.8,
    "labelText": "[[value]]",
    "lineAlpha": 0.3,
    "title": "Latin America",
    "type": "column",
    "color": "#000000",
    "valueField": "lamerica"
}, {
    "balloonText": "<b>[[title]]</b><br><span style='font-size:14px'>[[category]]: <b>[[value]]</b></span>",
    "fillAlphas": 0.8,
    "labelText": "[[value]]",
    "lineAlpha": 0.3,
    "title": "Middle-East",
    "type": "column",
    "color": "#000000",
    "valueField": "meast"
}, {
    "balloonText": "<b>[[title]]</b><br><span style='font-size:14px'>[[category]]: <b>[[value]]</b></span>",
    "fillAlphas": 0.8,
    "labelText": "[[value]]",
    "lineAlpha": 0.3,
    "title": "Africa",
    "type": "column",
    "color": "#000000",
    "valueField": "africa"
}],
"categoryField": "year",
"categoryAxis": {
    "gridPosition": "start",
    "axisAlpha": 0,
    "gridAlpha": 0,
    "position": "left"
},
"export": {
    "enabled": true
 }});

如何自动设置amCharts堆叠列样式颜色

1 个答案: