2025-09-01 00:41:07,530 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250804 as 2025-08-04-09-59-54_L8_sar1144_ms.tif 2025-09-01 00:41:13,526 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250820 as 2025-08-20-10-00-00_L8_sar1144_ms.tif 2025-09-01 00:41:17,902 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192033_20250804 as 2025-08-04-10-00-18_L8_sar1144_ms.tif 2025-09-01 00:41:22,137 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_192033_20250820 that failed. Failed to open the image file data/sar1144/L8/ms/2025-08-20-10-00-24_L8_sar1144_ms.tif 2025-09-01 00:41:26,544 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250812 as 2025-08-12-10-00-00_L9_sar1144_ms.tif 2025-09-01 00:41:30,830 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250828 that failed. Failed to open the image file data/sar1144/L9/ms/2025-08-28-10-00-04_L9_sar1144_ms.tif 2025-09-01 00:41:30,855 - satellite_download_logger - INFO - Please read the following information carefully: 2025-09-01 00:41:30,856 - 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. 2025-09-01 00:41:30,856 - 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. 2025-09-01 00:41:30,856 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-09-01 00:41:30,858 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-09-01 00:41:30,859 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-09-01 00:41:30,859 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-09-01 00:41:30,861 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-09-01 00:41:30,864 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54 cloud cover : 0.00% 2025-09-01 00:41:30,888 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54: sand: 3.58% ,whitewater: 0.00% ,water: 56.61% 2025-09-01 00:41:30,889 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54: Greater than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours2 2025-09-01 00:41:30,890 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:41:30,890 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 75 2025-09-01 00:41:30,890 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 75 2025-09-01 00:41:30,890 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 75 2025-09-01 00:41:30,892 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 74 2025-09-01 00:41:31,258 - satellite_download_logger - INFO - L8 2025-08-04-10-00-18 cloud cover : 0.00% 2025-09-01 00:41:31,271 - satellite_download_logger - INFO - L8 2025-08-04-10-00-18: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-09-01 00:41:31,271 - satellite_download_logger - INFO - L8 2025-08-04-10-00-18: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:41:31,272 - satellite_download_logger - ERROR - L8 2025-08-04-10-00-18: 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. 2025-09-01 00:41:31,276 - satellite_download_logger - INFO - L8 2025-08-20-10-00-00 cloud cover : 0.00% 2025-09-01 00:41:31,295 - satellite_download_logger - INFO - L8 2025-08-20-10-00-00: sand: 0.00% ,whitewater: 0.00% ,water: 55.45% 2025-09-01 00:41:31,295 - satellite_download_logger - INFO - L8 2025-08-20-10-00-00: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:41:31,296 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:41:31,296 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 76 2025-09-01 00:41:31,296 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 76 2025-09-01 00:41:31,296 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 76 2025-09-01 00:41:31,298 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 74 2025-09-01 00:41:31,672 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-09-01 00:41:31,675 - satellite_download_logger - INFO - L9 2025-08-12-10-00-00 cloud cover : 0.00% 2025-09-01 00:41:31,820 - satellite_download_logger - INFO - L9 2025-08-12-10-00-00: sand: 1.45% ,whitewater: 0.00% ,water: 56.00% 2025-09-01 00:41:31,821 - satellite_download_logger - INFO - L9 2025-08-12-10-00-00: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:41:31,822 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:41:31,822 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 75 2025-09-01 00:41:31,822 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 75 2025-09-01 00:41:31,822 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 75 2025-09-01 00:41:31,824 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 73