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Opened by Valeria Rizzoglio@rizzoglio_v
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K0 attribute in RBend

It seems that the attribute K0 (to set the magnetic field) is not working in the RBend element. In the regression test, if I am not wrong, only the Angle attribute is tested.

From a simple RBend test:

1- if ANGLE attribute is used

RBend [2]> 1DPROFILE1-DEFAULT (1D Profile type 1)
RBend [2]> BEND using file 1DPROFILE1-DEFAULT (1D Profile type 1)
RBend [2]> 
RBend [2]> Start of field map:      0.146472 m (in s coordinates)
RBend [2]> End of field map:        0.484418 m (in s coordinates)
RBend [2]> Entrance edge of magnet: 0.25 m (in s coordinates)
RBend [2]> 
RBend [2]> Reference Trajectory Properties
RBend [2]> ===============================
RBend [2]> 
RBend [2]> Bend angle magnitude:    0.523599 rad (30 degrees)
RBend [2]> Entrance edge angle:     0.261799 rad (15 degrees)
RBend [2]> Exit edge angle:         0.261799 rad (15 degrees)
RBend [2]> Bend design radius:      0.249982 m
RBend [2]> Bend design energy:      7e+06 eV
RBend [2]> 
RBend [2]> Bend Field and Rotation Properties
RBend [2]> ==================================
RBend [2]> 
RBend [2]> Field amplitude:         1.53217 T
RBend [2]> Field index:  0
RBend [2]> Rotation about x axis:   0 rad (0 degrees)
RBend [2]> Rotation about y axis:   0 rad (0 degrees)
RBend [2]> Rotation about z axis:   0 rad (0 degrees)
RBend [2]> 
RBend [2]> Reference Trajectory Properties Through Bend Magnet with Fringe Fields
RBend [2]> ======================================================================
RBend [2]> 
RBend [2]> Reference particle is bent: 0.523599 rad (30 degrees) in x plane
RBend [2]> Reference particle is bent: 0 rad (0 degrees) in y plane
RBend [2]>

2- if K0 attribute is used:

RBend [2]> 1DPROFILE1-DEFAULT (1D Profile type 1)
RBend [2]> BEND using file 1DPROFILE1-DEFAULT (1D Profile type 1)
RBend [2]> 
RBend [2]> Start of field map:      0.146472 m (in s coordinates)
RBend [2]> End of field map:        -nan m (in s coordinates)
RBend [2]> Entrance edge of magnet: 0.25 m (in s coordinates)
RBend [2]> 
RBend [2]> Reference Trajectory Properties
RBend [2]> ===============================
RBend [2]> 
RBend [2]> Bend angle magnitude:    -nan rad (-nan degrees)
RBend [2]> Entrance edge angle:     0.261799 rad (15 degrees)
RBend [2]> Exit edge angle:         -0.261799 rad (-15 degrees)
RBend [2]> Bend design radius:      0.25001 m
RBend [2]> Bend design energy:      7e+06 eV
RBend [2]> 
RBend [2]> Bend Field and Rotation Properties
RBend [2]> ==================================
RBend [2]> 
RBend [2]> Field amplitude:         1.532 T
RBend [2]> Field index:  0
RBend [2]> Rotation about x axis:   0 rad (0 degrees)
RBend [2]> Rotation about y axis:   0 rad (0 degrees)
RBend [2]> Rotation about z axis:   0 rad (0 degrees)
RBend [2]> 
RBend [2]> Reference Trajectory Properties Through Bend Magnet with Fringe Fields
RBend [2]> ======================================================================
RBend [2]> 
RBend [2]> Reference particle is bent: -0 rad (-0 degrees) in x plane
RBend [2]> Reference particle is bent: 0 rad (0 degrees) in y plane
RBend [2]>

Could, please, someone check?

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