change HA default

Author: JosephBrunet

examples/parameters_example.conf

@@ -51,7 +51,7 @@ WRITE_ANGLES = True
 # Choose which angle pair to compute:
 #   ha_ia  → Helix Angle / Intrusion Angle (standard myocardial architecture)
 #   az_el  → Azimuth / Elevation (generic vector orientation in 3D)
-ANGLE_MODE = az_el
+ANGLE_MODE = ha_ia
 
 # Coordinates of points along the left ventricle axis. 
 # The first point should be coordinates of the mitral valve point in the volume ([X, Y, Z])