One of the workarounds is to specify an hideDataEffect as well for each series.
Thanks -Sunli ________________________________ From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Claude Hussenet Sent: Friday, June 15, 2007 7:50 AM To: flexcoders@yahoogroups.com Subject: [flexcoders] [CHARTING COMPONENT] Issue in combining Interpolate effect and Chart type switch I am getting an actionscript error when I switch from clustered type to stacked type when an interpolate effect is defined as a showdataeffect. If I don't have any effect defined,the chart type switch works as a charm. See below the stack-trace and the source code. Any pointer or workaround is welcomed. TypeError: Error #1009: Cannot access a property or method of a null object reference. at mx.charts.chartClasses::NumericAxis/filterCache()[C:\dev\flex_201_gmc\sd k\frameworks;mx\charts\chartClasses;NumericAxis.as:576] at mx.charts.series::ColumnSeries/mx.charts.series:ColumnSeries::updateFilt er() at mx.charts.chartClasses::Series/mx.charts.chartClasses:Series::validateTr ansform()[C:\dev\flex_201_gmc\sdk\frameworks;mx\charts\chartClasses;Seri es.as:962] at mx.charts.chartClasses::Series/getRenderDataForTransition()[C:\dev\flex_ 201_gmc\sdk\frameworks;mx\charts\chartClasses;Series.as:1013] at mx.charts.effects.effectClasses::SeriesInterpolateInstance/play() at mx.effects::EffectInstance/startEffect()[C:\dev\flex_201_borneo\sdk\fram eworks;mx\effects;EffectInstance.as:502] at mx.effects.effectClasses::ParallelInstance/play()[C:\dev\flex_201_borneo \sdk\frameworks;mx\effects\effectClasses;ParallelInstance.as:197] at mx.charts.chartClasses::ChartBase/mx.charts.chartClasses:ChartBase::adva nceEffectState()[C:\dev\flex_201_gmc\sdk\frameworks;mx\charts\chartClass es;ChartBase.as:1588] at mx.charts.chartClasses::ChartBase/mx.charts.chartClasses:ChartBase::upda teDisplayList()[C:\dev\flex_201_gmc\sdk\frameworks;mx\charts\chartClasse s;ChartBase.as:1294] at mx.charts.chartClasses::CartesianChart/mx.charts.chartClasses:CartesianC hart::updateDisplayList()[C:\dev\flex_201_gmc\sdk\frameworks;mx\charts\c hartClasses;CartesianChart.as:960] at mx.core::UIComponent/validateDisplayList()[C:\dev\flex_201_borneo\sdk\fr ameworks;mx\core;UIComponent.as:5823] at mx.managers::LayoutManager/mx.managers:LayoutManager::validateDisplayLis t()[C:\dev\flex_201_borneo\sdk\frameworks;mx\managers;LayoutManager.as:6 00] <?xml version="1.0"?> <!-- Simple example to demonstrate the ColumnChart and BarChart controls. --> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml <http://www.adobe.com/2006/mxml> "> <mx:Script> <![CDATA[ import mx.collections.ArrayCollection; [Bindable] private var medalsAC:ArrayCollection = new ArrayCollection( [ { Country: "USA", Gold: 35, Silver:39, Bronze: 29 }, { Country: "China", Gold: 32, Silver:17, Bronze: 14 }, { Country: "Russia", Gold: 27, Silver:27, Bronze: 38 } ]); private var medalsAC2:ArrayCollection = new ArrayCollection( [ { Country: "USA", Gold: 15, Silver:29, Bronze: 19 }, { Country: "China", Gold: 12, Silver:27, Bronze: 24 }, { Country: "Russia", Gold: 17, Silver:17, Bronze: 18 } ]); ]]> </mx:Script> <mx:SeriesInterpolate id="interpolateIn" duration="1000"/> <mx:Panel title="ColumnChart and BarChart Controls Example" height="100%" width="100%" layout="horizontal"> <mx:VBox height="100%" width="100%"> <mx:HBox width="100%"> <mx:Spacer width="100%" /> <mx:RadioButton groupName="results" label="Result 1" selected="true" click="column.dataProvider=medalsAC;"/> <mx:RadioButton groupName="results" label="Result 2" click="column.dataProvider=medalsAC2;"/> <mx:Spacer width="200" /> <mx:RadioButton groupName="chartType" label="Stacked" click="column.type='stacked'"/> <mx:RadioButton groupName="chartType" label="Clustered" selected="true" click="column.type='clustered'"/> <mx:Spacer width="100%" /> </mx:HBox> <mx:HBox height="100%" width="100%"> <mx:ColumnChart id="column" height="100%" width="100%" type="clustered" paddingLeft="5" paddingRight="5" showDataTips="true" dataProvider="{medalsAC}"> <mx:horizontalAxis> <mx:CategoryAxis categoryField="Country"/> </mx:horizontalAxis> <mx:series> <mx:ColumnSeries xField="Country" yField="Gold" displayName="Gold" showDataEffect="{interpolateIn}" /> <mx:ColumnSeries xField="Country" yField="Silver" displayName="Silver" showDataEffect="{interpolateIn}" /> <mx:ColumnSeries xField="Country" yField="Bronze" displayName="Bronze" showDataEffect="{interpolateIn}" /> </mx:series> </mx:ColumnChart> <mx:Legend dataProvider="{column}"/> </mx:HBox> </mx:VBox> </mx:Panel> </mx:Application>
