nl_tokens: Convert global point into the coordinate space of this element .
pl_tokens: function ( x , y ) { var svg = this . svg ( ) . node ; var p = svg . createSVGPoint ( ) ; p . x = x ; p . y = y ; try { var globalPoint = p . matrixTransform ( svg . getScreenCTM ( ) . inverse ( ) ) ; var globalToLocalMatrix = this . <mask> . getTransformToElement ( svg ) . inverse ( ) ; } catch ( e ) { // IE9 throws an exception in odd cases. (`Unexpected call to method or property access`) // We have to make do with the original coordianates. return p ; } return globalPoint . matrixTransform ( globalToLocalMatrix ) ; }