small fixes

shimming-toolbox · Nov 16, 2023 · b89351d · b89351d
1 parent 0218dde
commit b89351d
Showing 1 changed file with 2 additions and 5 deletions.
diff --git a/shimmingtoolbox/load_nifti.py b/shimmingtoolbox/load_nifti.py
@@ -181,14 +181,11 @@ def read_nii(fname_nifti, auto_scale=True):
             extent = (np.amax(image) - np.amin(image))
 
             if np.amin(image) < 0 and (0.95 * 2 * PHASE_SCALING_SIEMENS < extent < 2 * PHASE_SCALING_SIEMENS * 1.05):
-                # Siemens' scaling: [-4096, 4095] --> [-pi, pi)
+                # Siemens' scaling: [-4096, 4095] --> [-pi, pi[
                 image = (image * math.pi / PHASE_SCALING_SIEMENS)
-                image = np.angle(np.exp(1j * image))
             elif np.amin(image) >= 0 and (0.95 * PHASE_SCALING_SIEMENS < extent < PHASE_SCALING_SIEMENS * 1.05):
-                # Siemens' scaling [0, 4095] --> [0, 2pi)
-                # We want: [-pi, pi]
+                # Siemens' scaling [0, 4095] --> [-pi, pi[
                 image = (image * 2 * math.pi / PHASE_SCALING_SIEMENS) - math.pi
-                image = np.angle(np.exp(1j * image))
             else:
                 logger.info("Could not scale phase data")