TrendLine – amCharts Version 3 Documentation

Type class

Creates a trendline for AmSerialChart and AmXYChart charts which indicates the trend of your data or covers some different purposes. Multiple can be assigned.

Example

var chart = AmCharts.makeChart("chartdiv",{
	...
	"trendLines": [
		{
			"initialValue": 1,
			"initialXValue": 1,
			"finalValue": 11,
			"finalXValue": 12
		}
	]
});

Inheritance

TrendLine does not extend any other symbol.

TrendLine is not extended by any other symbol.

Properties

balloonText #	Type `string` When set, enables displaying a roll-over balloon.
dashLength #	Type `number` Default `0` Dash length.
finalCategory #	Type `string` String, equal to category value to which trend line should be drawn. It should be used if chart doesn't parse dates.
finalDate #	Type `date` Date to which trend line should be drawn. It can be date string (using the same date format as chart.dataDateFormat) or date object.
finalImage #	Type `Image` Allows to add an image to the end of a trend line.
finalValue #	Type `number` Value at which trend line should end.
finalXValue #	Type `number` Used by XY chart only. X value at which trend line should end.
id #	Type `string` Unique id of a Trend line. You don't need to set it, unless you want to.
initialCategory #	Type `string` String, equal to category value from which trend line should start. It should be used if chart doesn't parse dates.
initialDate #	Type `date` Date from which trend line should start. It can be date string (using the same date format as chart.dataDateFormat) or date object.
initialImage #	Type `Image` Allows to add an image to the beginning of a trend line.
initialValue #	Type `number` Value from which trend line should start.
initialXValue #	Type `number` Used by XY chart only. X value from which trend line should start.
isProtected #	Type `boolean` Default `false` Used by Stock chart. If this property is set to true, this trend line won't be removed when clicked on eraser tool.
lineAlpha #	Type `number` Default `1` Line opacity.
lineColor #	Type `color` Default `#00CC00` Line color.
lineThickness #	Type `number` Default `1` Line thickness.

Methods

TrendLine does not have any methods.

Events

#click	Param `{type: "click", TrendLine, chart:AmRectangularChart}` Dispatched when user clicks on a trend line.
#rollOut	Param `{type: "rollOut", TrendLine, chart:AmRectangularChart}` Dispatched when user rolls out of a trend line.
#rollOver	Param `{type: "rollOver", TrendLine, chart:AmRectangularChart}` Dispatched when user clicks rolls-over a trend line.

#click

Param {type: "click", TrendLine, chart:AmRectangularChart}

Dispatched when user clicks on a trend line.

#rollOut

Param {type: "rollOut", TrendLine, chart:AmRectangularChart}

Dispatched when user rolls out of a trend line.

#rollOver

Param {type: "rollOver", TrendLine, chart:AmRectangularChart}

Dispatched when user clicks rolls-over a trend line.

Adapters

TrendLine does not have any adapters.