sjroe

import math
import numpy as np
import tigre

def flatten_detector(proj, geo, arclength, oversample=1):
    (num_angles, num_detector_rows, orig_num_detectors) = np.shape(proj)
    pixel_arclength = arclength / orig_num_detectors

    # Calculate the size of the detector projected from the arc onto the plane
    # This is slightly different for odd and even detectors