2021-12-08 13:16:17,286 [INFO] Getting data from Cyclobs API. Req : https://cyclobs.ifremer.fr/app/api/getData?include_cols=all&filename=s1a-iw-owi-cm-20160809t012220-20160809t012314-000003-013960_ll_gd.nc
2021-12-08 13:16:17,663 [INFO] file : /home/datawork-cersat-public/cache/public/ftp/project/sarwing/processings/c39e79a/default/sentinel-1a/L2C/IW/S1A_IW_OWIH_1S/2016/222/S1A_IW_OWIH_CC_20160809T012220_20160809T012314_012517_013960/post_processing/nclight_L2M/s1a-iw-owi-cm-20160809t012220-20160809t012314-000003-013960_sw.nc
2021-12-08 13:16:17,663 [INFO] extracting SAR image info for file nclight_L2M...
2021-12-08 13:16:19,324 [INFO] Atcf lon/lat -109.5833333333333/22.80833333333333
2021-12-08 13:16:37,956 [INFO] Distance to coast of track point is 25000.450841888876 meters.
2021-12-08 13:16:37,957 [INFO] Distance between aquisition border and track point is 2935.524576085364 meters.
2021-12-08 13:16:38,536 [INFO] 54.542108688443804% of area of 100km around atcf track is outside acquisition bounding box
2021-12-08 13:16:38,711 [INFO] 16.467869816036078% of area of 100km around atcf track point that is inside acquisition bounding box is land.
2021-12-08 13:16:38,711 [INFO] 71.00997850447988% of area of 100km around track point is not usable (land or outside of acquisition).
2021-12-08 13:16:38,716 [INFO] SAR image has 67290 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 13:17:32,751 [INFO] Starting creation of NetCDF products...
2021-12-08 13:17:32,977 [INFO] Getting data from Cyclobs track API. Req : https://cyclobs.ifremer.fr/app/api/track?include_cols=all&sid=ep112016&freq=15&min_date=2016-08-07&max_date=2016-08-11
2021-12-08 13:17:32,977 [INFO] Acquisition datetime is 2016-08-09 01:22:47
2021-12-08 13:17:33,445 [INFO] Found propagation angle to north is 33.8508703575879°, dir std 0.16591484508903356, speed : 4.353431270023035 m/s, speed_std 1.07645505672836
2021-12-08 13:17:34,235 [INFO] Creating aeqd gridded dataset...
2021-12-08 13:17:39,983 [INFO] Done creating aeqd gridded dataset.
2021-12-08 13:17:39,983 [INFO] Converting dataset to polar...
2021-12-08 13:17:40,488 [INFO] Done converting dataset to polar.
2021-12-08 13:17:40,489 [INFO] Rotating polar dataset...
2021-12-08 13:17:40,588 [INFO] Done rotating polar dataset..
2021-12-08 13:17:40,589 [INFO] Rotating cartesian dataset...
2021-12-08 13:17:41,503 [INFO] Done rotating cartesian dataset.
2021-12-08 13:17:41,503 [INFO] Adding wind direction related variables...
/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/numpy/core/fromnumeric.py:3420: RuntimeWarning: Mean of empty slice.
  out=out, **kwargs)
/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/numpy/core/_methods.py:188: RuntimeWarning: invalid value encountered in double_scalars
  ret = ret.dtype.type(ret / rcount)
2021-12-08 13:17:42,818 [ERROR] Exception: `ydata` must not be empty!
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 317, in find_center_plot_save
    resolution=resolution)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/analysis_product.py", line 828, in center_products_analysis
    atcf_vmax=atcf_vmax, storm_name=storm_name, sid=sid)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/analysis_product.py", line 740, in center_products
    dims=["time", "theta", "rad"])
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/tc_center/analysis_product.py", line 335, in add_parametrized_inflow
    res = curve_fit(funcfit, (_r[filtre], _phi[filtre]), _alpha[filtre], p0)
  File "/home/datawork-cersat-public/cache/project/cyclobs/tc_center/tc_center_conda/lib/python3.7/site-packages/scipy/optimize/minpack.py", line 747, in curve_fit
    raise ValueError("`ydata` must not be empty!")
ValueError: `ydata` must not be empty!