plot( ripples(20,20) )
dom.controller.addAnnotation( dom.plots[0], 'Annotation' )
dom.annotations[0].xrange= DatumRangeUtil.parseDatumRange('7 to 13')
dom.annotations[0].yrange= DatumRangeUtil.parseDatumRange('7 to 13')

from org.das2.graph import AnchorType,BorderType
dom.annotations[0].anchorType= AnchorType.DATA
dom.annotations[0].anchorBorderType= BorderType.ROUNDED_RECTANGLE