But you can use the dataFunction property to set a function that does calculations on the fly.
On Mon, Dec 29, 2008 at 10:28 PM, Brendan Meutzner <[email protected]>wrote: > yField is just a reference to a property or node in your dataset... in > your case "uptime"... if you want to do a calculation, you will have to > perform that on your dataset prior to plotting in the ColumnChart... you > can't perform a calculation on the field reference as you're trying to do. > > > Brendan > > > > On Tue, Dec 30, 2008 at 12:24 AM, kotha poornima > <[email protected]>wrote: > >> Hi All, >> I am using Column chart in my project. Here i need to plot uptime and >> downtime of the system using column chart. Uptime data will come from the >> database like this: >> <StatusGraph> >> <data> >> <date>10</date> >> <uptime>0</uptime> >> </data> >> <data> >> <date>11</date> >> <uptime>1</uptime> >> </data> >> <data> >> <date>12</date> >> <uptime>2</uptime> >> </data> >> <data> >> <date>07</date> >> <uptime>2</uptime> >> </data> >> <data> >> <date>07</date> >> <uptime>2</uptime> >> </data> >> <data> >> <date>18</date> >> <uptime>0</uptime> >> </data> >> </StatusGraph> >> I am not getting any downtime information from the database. Doubt i have >> here is can i do any calculations before plotting the graph. >> I tried like this. But its not working. >> <mx:ColumnChart id="chart" >> dataProvider="{resultXML.System[0].StatusGraph.data}" >> type="100%" width="500" height="250" showDataTips="true"> >> <mx:series> >> <mx:ColumnSeries yField="uptime" /> >> <mx:ColumnSeries yField="100-uptime" /> -- Doubt >> </mx:series> >> <mx:horizontalAxis> >> <mx:CategoryAxis categoryField="date" /> >> </mx:horizontalAxis> >> </mx:ColumnChart> >> SO here iam using yfield as 100-uptime to calculate downtime. But its not >> displaying any data. Can any one help me regarding this. >> >> Thanks and Regards, >> Poornima >> >> > > > -- > Brendan Meutzner > http://www.meutzner.com/blog/ > >
