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.ui.swt.wizard.ChartAdapter;
import org.eclipse.birt.chart.ui.swt.wizard.ChartUIExtensionsImpl;
import org.eclipse.birt.chart.ui.swt.wizard.ChartWizard;
import org.eclipse.birt.chart.ui.swt.wizard.ChartWizardContext;
import org.eclipse.birt.chart.util.ChartUtil;
import org.eclipse.birt.chart.util.LiteralHelper;
import org.eclipse.birt.chart.util.NameSet;
import org.eclipse.birt.chart.util.PluginSettings;
import org.eclipse.birt.core.data.ExpressionUtil;
import org.eclipse.birt.core.ui.frameworks.taskwizard.interfaces.IWizardContext;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import com.ibm.icu.text.NumberFormat;
import com.ibm.icu.util.ULocale;
/**
 * ChartUIUtil
 */
public class ChartUIUtil