I have don a kind of solution to draw a box "shadowing" a future time in
chart (draws a box above the chart area presenting the future). Here you
have a part of the code doing the effect. showTime() is called in my case by
timer.
....
public function showTime(t:Date):void {
var g:Graphics = activityChart.graphics;
var rc:Rectangle = new
Rectangle(activityChart.computedGutters.left,
activityChart.computedGutters.top,
activityChart.width-activityChart.computedGutters.left-
activityChart.computedGutters.right,
activityChart.height-activityChart.computedGutters.top-
activityChart.computedGutters.bottom);
var x:Number = rc.left + Math.min((t.getTime() -
_mindt.getTime()) / (_maxdt.getTime() - _mindt.getTime())
* rc.width , rc.width);
// _mindt is chart's begin time, _maxdt end time.
g.clear();
g.beginFill(0xCCFF,0.1);
g.moveTo(x,rc.top);
g.lineTo(rc.right,rc.top);
g.lineTo(rc.right,rc.bottom);
g.lineTo(x,rc.bottom);
g.lineTo(x,rc.top);
g.endFill();
}
]]>
</mx:Script>
<mx:HBox width="100%" height="100%">
<mx:BarChart id="activityChart" width="98%" height="100%"
type="overlaid" horizontalAxis="{dtAxis}"
gutterLeft="50" gutterRight="0" clipContent="false"
resize="manageResize(event)"
doubleClickEnabled="true">
......
-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On
Behalf Of christopherjdunn
Sent: 7. lokakuuta 2006 0:19
To: [email protected]
Subject: [flexcoders] Chart question
I'm working on a chart that spans multiple days. What I would like to
do is put a vertical line in at a particular time, like midnight. I've
looked through the docs and I'm not seeing a way to add this. Is there
an easy way to add something like this to a chart? Any help would be
great.
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