ZoomLens m_zoomLens= new ZoomLens();
RotateLens m_rotateLens= new RotateLens();
CursorLens m_cursorLens = new CursorLens();
TooltipLens m_tooltipLens = new TooltipLens();
LegendLens m_legendLens = new LegendLens();
NodeSizeLens m_nodeSizelens = new NodeSizeLens();
// m_nodeSizelens.setNodeSize(NodePainter.SMALL);
lensSet = new LensSet();
lensSet.addLens(m_zoomLens);
lensSet.addLens(m_rotateLens);
lensSet.addLens(m_cursorLens);