def test_calibrate():
fn = os.path.join(CURRENT_DIR, '../../docs/data/calibrate.yml')
rpc, ro = calibrate(fn)
assert rpc == 0.0032974348877424457
assert ro == -0.0049493038029253186
calibration_data = yaml.load(open(fn))
D_lst = pixels_to_distance(
pixel_rows=calibration_data['readings'],
rpc=rpc,
ro=ro,
h=calibration_data['h'],
max_height=calibration_data['image_height'],
max_width=calibration_data['image_width'],
)
print('D_lst:', D_lst)
mae = []
for i, actual_dist in calibration_data['distances'].iteritems():
print actual_dist, D_lst[i]
mae.append(abs(actual_dist - D_lst[i]))
mae = sum(mae)/float(len(mae))
print 'MAE:', mae
assert mae == 48.857111449781485
def test_calibrate():
fn = os.path.join(CURRENT_DIR, '../../docs/data/calibrate.yml')
rpc, ro = calibrate(fn)
assert rpc == 0.0032974348877424457
assert ro == -0.0049493038029253186
calibration_data = yaml.load(open(fn))
D_lst = pixels_to_distance(
pixel_rows=calibration_data['readings'],
rpc=rpc,
ro=ro,
h=calibration_data['h'],
max_height=calibration_data['image_height'],
max_width=calibration_data['image_width'],
)
print('D_lst:', D_lst)
mae = []
for i, actual_dist in calibration_data['distances'].items():
print(actual_dist, D_lst[i])
mae.append(abs(actual_dist - D_lst[i]))
mae = sum(mae) / float(len(mae))
print('MAE:', mae)
assert mae == 48.857111449781485
#!/usr/bin/env python
"""
Helps calibrating a laser range finder by calculating the rpc and ro parameters.
https://shaneormonde.wordpress.com/2014/01/25/webcam-laser-rangefinder/
theta = arctan(h/actual_d)
theta = pfc * rpc + ro
"""
import argparse
from laser_range_finder import calibrate
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Helps calibrate measurements.')
parser.add_argument('conf_fn',
help='configuration file')
args = parser.parse_args()
calibrate(**args.__dict__)
#!/usr/bin/env python
"""
Helps calibrating a laser range finder by calculating the rpc and ro parameters.
https://shaneormonde.wordpress.com/2014/01/25/webcam-laser-rangefinder/
theta = arctan(h/actual_d)
theta = pfc * rpc + ro
"""
import argparse
from laser_range_finder import calibrate
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description='Helps calibrate measurements.')
parser.add_argument('conf_fn', help='configuration file')
args = parser.parse_args()
calibrate(**args.__dict__)
