rhotheta2xy_gb

 Find the curvilinear couple associated to a cartesian one

 INPUT
    - equil_fit: interpolated structure
    - x : Cartesian coordinate x
    - y : Cartesian coordinate y

0001 function [x,y] = rhotheta2xy_gb(equil_fit,rho,theta)
0002 %
0003 % Find the curvilinear couple associated to a cartesian one
0004 %
0005 % INPUT
0006 %    - equil_fit: interpolated structure
0007 %    - x : Cartesian coordinate x
0008 %    - y : Cartesian coordinate y
0009 
0010 % OUTPUT:
0011 %    - rho : Normalized radial coordinate
0012 %    - theta : Poloidal angle
0013 
0014 % By Guillaume Brochard (CEA-IRFM, guillaume.brochard@cea.fr)
0015 data = equilval_yp(equil_fit,rho,theta);
0016 x = data.x;
0017 y = data.y;
0018 end