2021-12-08 12:17:12,887 [INFO] Getting data from Cyclobs API. Req : https://cyclobs.ifremer.fr/app/api/getData?include_cols=all&filename=s1b-ew-owi-cm-20190926t203852-20190926t204117-000003-0224BA_ll_gd.nc
2021-12-08 12:17:13,271 [INFO] file : /home/datawork-cersat-public/cache/public/ftp/project/sarwing/processings/c39e79a/default/sentinel-1b/L2C/EW/S1B_EW_OWIM_1S/2019/269/S1B_EW_OWIM_CC_20190926T203852_20190926T204117_018214_0224BA/post_processing/nclight_L2M/s1b-ew-owi-cm-20190926t203852-20190926t204117-000003-0224BA_sw.nc
2021-12-08 12:17:13,271 [INFO] extracting SAR image info for file nclight_L2M...
2021-12-08 12:17:14,441 [INFO] Atcf lon/lat -40.875/16.50416666666667
2021-12-08 12:17:33,144 [INFO] Distance to coast of track point is 1654692.8126220326 meters.
2021-12-08 12:17:33,145 [INFO] Distance between aquisition border and track point is 56612.69408832223 meters.
2021-12-08 12:17:35,837 [INFO] 83.99764298543998% of area of 100km around atcf track is outside acquisition bounding box
2021-12-08 12:17:35,979 [INFO] 0.0% of area of 100km around atcf track point that is inside acquisition bounding box is land.
2021-12-08 12:17:35,979 [INFO] 83.99764298543998% of area of 100km around track point is not usable (land or outside of acquisition).
2021-12-08 12:17:35,986 [INFO] SAR image has 395362 non-masked points.
/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/functions.py:811: RuntimeWarning: invalid value encountered in sqrt
  grad = np.sqrt((np.gradient(wspdcop)[0] ** 2 + np.gradient(wspdcop)[1] ** 2))
2021-12-08 12:17:47,911 [WARNING] Failed to find an eye center : reached maximum number of iteration.
2021-12-08 12:17:55,471 [ERROR] Exception: x and y arrays must have at least 2 entries
Traceback (most recent call last):
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/__init__.py", line 231, in find_center_plot_save
    eye_dict, status = compute_centers(sat_file, resolution, api_data)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/__init__.py", line 148, in compute_centers
    lon_eye, lat_eye, rad, azim, rads_shp = center_eye(lon, lat, lon_eye_old, lat_eye_old, windspd, method_shape_eye=1)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/functions.py", line 62, in wrapper
    result = f(*args, **kwargs)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/functions.py", line 1006, in center_eye
    rads_shp = shape_eye(r_vect, theta_vect, windspd_pol, method=method_shape_eye)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/functions.py", line 62, in wrapper
    result = f(*args, **kwargs)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/functions.py", line 689, in shape_eye
    rads_shp = extract_wind_contour(windval, windspd_pol, r_vect, theta_vect, r_vect_refine, az_maxwind)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/functions.py", line 62, in wrapper
    result = f(*args, **kwargs)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/functions.py", line 584, in extract_wind_contour
    'linear'))
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/scipy/interpolate/ndgriddata.py", line 254, in griddata
    fill_value=fill_value)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/scipy/interpolate/interpolate.py", line 555, in __init__
    "least %d entries" % minval)
ValueError: x and y arrays must have at least 2 entries