2025-08-01 00:05:32,455 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_071087_20250703 as 2025-07-03-21-53-50_L8_nzd0291_ms.tif 2025-08-01 00:05:35,885 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_071087_20250719 that failed. Failed to open the image file data/nzd0291/L8/ms/2025-07-19-21-53-56_L8_nzd0291_ms.tif 2025-08-01 00:05:41,209 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_071088_20250703 as 2025-07-03-21-54-14_L8_nzd0291_ms.tif 2025-08-01 00:05:44,425 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_071088_20250719 that failed. Failed to open the image file data/nzd0291/L8/ms/2025-07-19-21-54-19_L8_nzd0291_ms.tif 2025-08-01 00:05:47,967 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_072087_20250624 that failed. Failed to open the image file data/nzd0291/L8/ms/2025-06-24-21-59-58_L8_nzd0291_ms.tif 2025-08-01 00:05:52,554 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_071087_20250625 that failed. Failed to open the image file data/nzd0291/L9/ms/2025-06-25-21-53-45_L9_nzd0291_ms.tif 2025-08-01 00:05:56,014 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_071087_20250711 that failed. Failed to open the image file data/nzd0291/L9/ms/2025-07-11-21-53-48_L9_nzd0291_ms.tif 2025-08-01 00:06:01,557 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_071087_20250727 as 2025-07-27-21-53-57_L9_nzd0291_ms.tif 2025-08-01 00:06:05,012 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_072087_20250718 as 2025-07-18-22-00-04_L9_nzd0291_ms.tif 2025-08-01 00:06:05,040 - satellite_download_logger - INFO - Please read the following information carefully: 2025-08-01 00:06:05,041 - satellite_download_logger - INFO - find_wl_contours2: A method for extracting shorelines that uses the sand water interface detected with the model to refine the threshold that's used to detect shorelines . - This is the default method used when there are enough sand pixels within the reference shoreline buffer. 2025-08-01 00:06:05,041 - satellite_download_logger - INFO - find_wl_contours1: This shoreline extraction method uses a threshold to differentiate between water and land pixels in images, relying on Modified Normalized Difference Water Index (MNDWI) values. However, it may inaccurately classify snow and ice as water, posing a limitation in certain environments. - This is only used when not enough sand pixels are detected within the reference shoreline buffer. 2025-08-01 00:06:05,041 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-08-01 00:06:05,042 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-08-01 00:06:05,043 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-08-01 00:06:05,043 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-08-01 00:06:05,045 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-08-01 00:06:05,049 - satellite_download_logger - WARNING - L8 2025-07-03-21-53-50: Skipped due to cloud cover 70.57% > threshold 10.00% 2025-08-01 00:06:05,051 - satellite_download_logger - INFO - L8 2025-07-03-21-54-14 cloud cover : 0.00% 2025-08-01 00:06:05,058 - satellite_download_logger - INFO - L8 2025-07-03-21-54-14: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-08-01 00:06:05,058 - satellite_download_logger - INFO - L8 2025-07-03-21-54-14: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:06:05,059 - satellite_download_logger - ERROR - L8 2025-07-03-21-54-14: Could not map shoreline due to error no valid pixels found in reference shoreline buffer. Traceback (most recent call last): File "/home/ubuntu/.local/lib/python3.12/site-packages/coastsat/SDS_shoreline.py", line 1061, in extract_shorelines shoreline, t_mndwi = find_shoreline_optical( ^^^^^^^^^^^^^^^^^^^^^^^ File "/home/ubuntu/.local/lib/python3.12/site-packages/coastsat/SDS_shoreline.py", line 216, in find_shoreline_optical contours_mwi, t_mndwi = find_wl_contours1(im_mndwi, cloud_mask, im_ref_buffer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/ubuntu/.local/lib/python3.12/site-packages/coastsat/SDS_shoreline.py", line 1426, in find_wl_contours1 raise ValueError("no valid pixels found in reference shoreline buffer.") ValueError: no valid pixels found in reference shoreline buffer. 2025-08-01 00:06:05,060 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-08-01 00:06:05,065 - satellite_download_logger - INFO - L9 2025-07-18-22-00-04 cloud cover : 0.00% 2025-08-01 00:06:05,104 - satellite_download_logger - INFO - L9 2025-07-18-22-00-04: sand: 0.44% ,whitewater: 4.94% ,water: 48.88% 2025-08-01 00:06:05,105 - satellite_download_logger - INFO - L9 2025-07-18-22-00-04: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:06:05,107 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 7 shorelines. Number of shorelines after filtering shorelines: 2 shorelines 2025-08-01 00:06:05,107 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 211 2025-08-01 00:06:05,107 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 211 2025-08-01 00:06:05,107 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 211 2025-08-01 00:06:05,107 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 211 2025-08-01 00:06:05,364 - satellite_download_logger - INFO - L9 2025-07-27-21-53-57 cloud cover : 0.00% 2025-08-01 00:06:05,404 - satellite_download_logger - INFO - L9 2025-07-27-21-53-57: sand: 0.39% ,whitewater: 8.99% ,water: 43.98% 2025-08-01 00:06:05,404 - satellite_download_logger - INFO - L9 2025-07-27-21-53-57: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:06:05,407 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 8 shorelines. Number of shorelines after filtering shorelines: 2 shorelines 2025-08-01 00:06:05,407 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 204 2025-08-01 00:06:05,407 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 204 2025-08-01 00:06:05,407 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 204 2025-08-01 00:06:05,407 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 204