Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderHelper.java
{
								final InteractionEvent iev = (InteractionEvent) ( (EventObjectCache) ipr ).getEventObject( StructureSource.createAxis( axModel ),
										InteractionEvent.class );
								if ( cachedTriggers == null )
								{
									for ( int t = 0; t < elTriggers.size( ); t++ )
									{
										tg = TriggerImpl.copyInstance( (Trigger) elTriggers.get( t ) );
										processTrigger( tg,
												StructureSource.createAxis( axModel ) );
										iev.addTrigger( tg );
									}
								}
								else
								{
									for ( int t = 0; t < cachedTriggers.size( ); t++ )
									{
										iev.addTrigger( (Trigger) cachedTriggers.get( t ) );
									}
								}
								iev.setHotSpot( pre3d );
								ipr.enableInteraction( iev );
							}
						}
					}
				}
				else
				{
					double dStart = daEndPoints[0] + insCA.getBottom( ), dEnd = daEndPoints[1]
							- insCA.getTop( );