Text this: An alternative method for constructing interpolatory subdivision from approximating subdivision

  _____      ___                _____      _____  
 |__  //    / _ \\      ___    |  ___||   / ___// 
   / //    | / \ ||    /   ||  | ||__     \___ \\ 
  / //__   | \_/ ||   | [] ||  | ||__     /    // 
 /_____||   \___//     \__ ||  |_____||  /____//  
 `-----`    `---`       -|_||  `-----`  `-----`   
                         `-`