Converts the height of the caller to a new height type, based on the caller x and y.
changeHeightType(newHeightType);
| 
 Parameter  | 
 Description  | 
| 
 newHeightType  | 
 Can be one of the following: sgHeightRelative, sgHeightAbsolute  | 
Remarks
Calling this method affect both the height and the height type of the caller.