Bug 312761 It makes no difference changing the series labels position in Radar chart.[13]
chart/org.eclipse.birt.chart.ui/src/org/eclipse/birt/chart/ui/util/ChartUIUtil.java
import org.eclipse.birt.chart.model.attribute.FontDefinition;
import org.eclipse.birt.chart.model.attribute.IntersectionType;
import org.eclipse.birt.chart.model.attribute.Position;
import org.eclipse.birt.chart.model.attribute.TextAlignment;
import org.eclipse.birt.chart.model.attribute.impl.AxisOriginImpl;
import org.eclipse.birt.chart.model.attribute.impl.TextAlignmentImpl;
import org.eclipse.birt.chart.model.component.Axis;
import org.eclipse.birt.chart.model.component.ComponentPackage;
import org.eclipse.birt.chart.model.component.Series;
import org.eclipse.birt.chart.model.data.OrthogonalSampleData;
import org.eclipse.birt.chart.model.data.Query;
import org.eclipse.birt.chart.model.data.SampleData;
import org.eclipse.birt.chart.model.data.SeriesDefinition;
import org.eclipse.birt.chart.model.data.SeriesGrouping;
import org.eclipse.birt.chart.model.data.impl.QueryImpl;
import org.eclipse.birt.chart.model.data.impl.SeriesGroupingImpl;
import org.eclipse.birt.chart.model.type.BarSeries;
import org.eclipse.birt.chart.model.type.BubbleSeries;
import org.eclipse.birt.chart.model.type.DifferenceSeries;
import org.eclipse.birt.chart.model.type.GanttSeries;
import org.eclipse.birt.chart.model.type.LineSeries;
import org.eclipse.birt.chart.model.type.PieSeries;
import org.eclipse.birt.chart.model.type.StockSeries;
import org.eclipse.birt.chart.model.type.impl.BubbleSeriesImpl;
import org.eclipse.birt.chart.model.type.impl.GanttSeriesImpl;
import org.eclipse.birt.chart.ui.i18n.Messages;
import org.eclipse.birt.chart.ui.swt.ChartPreviewPainterBase;
import org.eclipse.birt.chart.ui.swt.interfaces.IChartType;
import org.eclipse.birt.chart.ui.swt.interfaces.IDataServiceProvider;
import org.eclipse.birt.chart.ui.swt.interfaces.ISeriesUIProvider;