nl_tokens: Converts the specified array of data into an array of points ( x - y tuples ) by evaluating the specified x and y functions on each data point . The this context of the evaluated functions is the specified self object ; each function is passed the current datum and index .
pl_tokens: function d3_svg_linePoints ( self , d , x , y ) { var points = [ ] , i = - 1 , n = d . length , fx = typeof x === "function" , fy = typeof y === "function" , value ; if ( fx && fy ) { while ( ++ i < n ) points . push ( [ x . call ( <mask> , value = d [ i ] , i ) , y . call ( self , value , i ) ] ) ; } else if ( fx ) { while ( ++ i < n ) points . push ( [ x . call ( self , d [ i ] , i ) , y ] ) ; } else if ( fy ) { while ( ++ i < n ) points . push ( [ x , y . call ( self , d [ i ] , i ) ] ) ; } else { while ( ++ i < n ) points . push ( [ x , y ] ) ; } return points ; }