1
我如何在两个日期之间放置虚线？两个日期之间的虚线amcharts
它的图表显示了当天的温度，湿度，风速，但是从现在到今天结束时显示了预测，所以我想 区分它们。
我有一个数据提供商的所有值和日期。
这里是我想要重新创建的示例：示例图表（实际上，这是我的图表，我用photoshop添加虚线以显示您）。
我读了你可以把虚线，但在所有行了，我只是想在一个范围内。
图码
var chartData = generateData();
var weatherChart = AmCharts.makeChart("weatherChart", {
"type": "serial",
"theme": "light",
"language": "es",
"marginRight": 80,
"mouseWheelZoomEnabled": true,
"zoomOutText": "Mostrar todo",
"autoMarginOffset": 20,
"gridAboveGraphs": false,
"marginTop": 7,
"dataProvider": chartData,
"valueAxes": [{
"id": "v1",
"axisColor": "#969696",
"axisAlpha": 1,
"axisThickness": 2,
"offset": 10,
"autoGridCount": true,
"gridAlpha": 0,
"minorGridEnabled": false,
"position": "left",
"title": "Temperatura y velocidad del viento"
}, {
"id": "v2",
"axisColor": "#969696",
"axisThickness": 2,
"axisAlpha": 1,
"offset": 10,
"minorGridEnabled": false,
"position": "right",
"title": "Humedad"
},{
"id": "v3",
"axisColor": "#969696",
"axisThickness": 0,
"axisAlpha": 0,
"labelsEnabled": false,
"offset": 50,
"minorGridEnabled": false,
"position": "left",
}],
"graphs": [{
"id": "g4",
"valueAxis": "v3",
"fillColorsField": "color",
"balloonText": "[[value]]ha",
"fillAlphas": .6,
"lineAlpha": 0.2,
"type": "column",
"title": "Hectareas fumigadas",
"showBalloon": true,
"valueField": "hectares"
}, {
"id": "g1",
"valueAxis": "v1",
"balloonText": "[[value]]°",
"bullet": "round",
"bulletBorderAlpha": 1,
"bulletColor": "#ffb014",
"hideBulletsCount": 50,
"title": "Temperatura",
"bulletSize": 5,
"valueField": "temperature",
"lineColor": "#ffb014",
"useLineColorForBulletBorder": true
}, {
"id": "g2",
"valueAxis": "v2",
"balloonText": "[[value]]%",
"bullet": "round",
"bulletBorderAlpha": 1,
"bulletColor": "#245be5",
"hideBulletsCount": 50,
"title": "Humedad",
"bulletSize": 5,
"valueField": "humidity",
"lineColor": "#245be5",
"useLineColorForBulletBorder": true
}, {
"id": "g3",
"valueAxis": "v1",
"balloonText": "[[value]]km/h",
"bullet": "round",
"bulletBorderAlpha": 1,
"bulletColor": "#63c2f2",
"hideBulletsCount": 50,
"title": "Velocidad del viento",
"valueField": "wind",
"bulletSize": 5,
"lineColor": "#63c2f2",
"useLineColorForBulletBorder": true
}],
"chartScrollbar": {
"oppositeAxis": false,
"scrollbarHeight": 30,
"dragIcon": "dragIconRectBig"
},
"chartCursor": {
"categoryBalloonDateFormat": "YYYY-MM-DD HH:NN:SS",
"pan": true
},
"categoryField": "date",
"dataDateFormat": "YYYY-MM-DD HH:NN:SS",
"categoryAxis": {
"minPeriod": "hh",
"parseDates": true,
"axisColor": "#DADADA",
"dashLength": 1,
"autoGridCount": true,
"gridAlpha": 0,
"minorGridEnabled": false
},
"legend": {
"enabled": true,
"useGraphSettings": false
},
"export": {
"enabled": true
}
});