def compute_focal(focal_35, focal, sensor_width, sensor_string):
if focal_35 > 0:
focal_ratio = focal_35 / 36.0 # 35mm film produces 36x24mm pictures.
else:
if not sensor_width:
sensor_width = sensor_data.get(sensor_string, None)
if sensor_width and focal:
focal_ratio = focal / sensor_width
focal_35 = 36.0 * focal_ratio
else:
focal_35 = 0
focal_ratio = 0
return focal_35, focal_ratio
def compute_focal(focal_35, focal, sensor_width, sensor_string):
if focal_35 is not None and focal_35 > 0:
focal_ratio = focal_35 / 36.0 # 35mm film produces 36x24mm pictures.
else:
if not sensor_width:
sensor_width = sensor_data.get(sensor_string, None)
if sensor_width and focal:
focal_ratio = focal / sensor_width
focal_35 = 36.0 * focal_ratio
else:
focal_35 = 0
focal_ratio = 0
return focal_35, focal_ratio
