CGAL users discussion list

[Andreas Fabri <>]

Hi Calvin,

You only can write

mylocation = Point_2(10, mylocation.y());

The reason is that we have reference counted and non-reference
counted objects, and the former then would need a copy on write
functionality.

andreas



 wrote:
> Hi all, 
>
>     I am just getting started with knowing how to use CGAL, and I'm particularly puzzled about something. 
>     
>     In the class Point_2 , or whichever class that defines the location/position of a geometric primitive, is it possible to change the position of the class? 
>
>     Like for instance, 
>
>     Point_2 myLocation(5,0);
>     myLocation.x = 10; 
>
>     Can i do something like this in CGAL? Thanks if anyone can provide me with an answer on this. 
>
> regards
> Calvin
>