pace;'>options.offangle</span><span> value.</span></div><div  class = 'S1'><span>Alternatively, it is possible to construct the class object without the </span><span style=' font-family: monospace;'>options</span><span> struct, either by using the projection angles or by inputting the  detector coordinates for every measurement point. In the first case  (angles), the constructor is </span><span style=' font-family: monospace;'>A = forwardBackwardProjectCT(angles, ySize, xSize, Nx, Ny, Nz, FOVa_x, axial_fov,