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["Sebastien Loriot (GeometryFactory)" <>]

Benjamin SCHWARZ wrote:
> Hello list,
>
>    I need to build the projection of a point onto a line, therefore I tried 
> to use Kernel::ConstructProjectedPoint_3 with no success. I paste here my 
> toy-example, please, tell me if Im am doing anything wrong.
>
>
>
> #include <CGAL/cartesian.h>
> typedef CGAL::Cartesian<double> K;
> typedef K::ConstructProjectedPoint_3 Cons;
> typedef K::Point_3 Point;
> typedef K::Line_3 Line;
>
> int main(){
>  Cons cons();
>  Point a(0,0,0);
>  Point b(0,0,10);
>  Point c(3,5,4);
>
>  Line l(a,b);
>
>  Point d = cons(c);
>  std::cout<< d<<std::endl;
>
> };
>
>
>
> And my gcc output :
>
> pipo.C:5: error: ‘ConstructProjectedPoint_3’ in class ‘K’ does not name a type
> pipo.C: In function ‘int main()’:
> pipo.C:10: error: ‘Cons’ was not declared in this scope
> pipo.C:10: error: expected `;' before ‘cons’
> pipo.C:17: error: ‘cons’ was not declared in this scope
>
>
>
>     --Ben
Hello Ben,

ConstructProjectedPoint_3 looks like a concept name.
Try with Construct_projected_point_3.

S.