2025-06-17 12:54:19,172 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250523 as 2025-05-23-10-05-35_L8_sar0262_ms.tif 2025-06-17 12:54:24,544 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194031_20250530 as 2025-05-30-10-11-23_L8_sar0262_ms.tif 2025-06-17 12:54:28,998 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194032_20250530 as 2025-05-30-10-11-47_L8_sar0262_ms.tif 2025-06-17 12:54:33,505 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250515 that failed. Failed to open the image file data/sar0262/L9/ms/2025-05-15-10-05-40_L9_sar0262_ms.tif 2025-06-17 12:54:37,871 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250531 as 2025-05-31-10-05-34_L9_sar0262_ms.tif 2025-06-17 12:54:45,228 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194032_20250607 as 2025-06-07-10-11-45_L9_sar0262_ms.tif 2025-06-17 12:54:45,270 - satellite_download_logger - INFO - Please read the following information carefully: 2025-06-17 12:54:45,270 - 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. 2025-06-17 12:54:45,270 - 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. 2025-06-17 12:54:45,271 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-06-17 12:54:45,272 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-06-17 12:54:45,274 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-06-17 12:54:45,274 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-06-17 12:54:45,275 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-06-17 12:54:45,279 - satellite_download_logger - WARNING - L8 2025-05-23-10-05-35: Skipped due to cloud cover 61.90% > threshold 10.00% 2025-06-17 12:54:45,282 - satellite_download_logger - INFO - L8 2025-05-30-10-11-23 cloud cover : 0.00% 2025-06-17 12:54:45,293 - satellite_download_logger - INFO - L8 2025-05-30-10-11-23: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-06-17 12:54:45,293 - satellite_download_logger - INFO - L8 2025-05-30-10-11-23: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:54:45,295 - satellite_download_logger - ERROR - L8 2025-05-30-10-11-23: 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. 2025-06-17 12:54:45,298 - satellite_download_logger - INFO - L8 2025-05-30-10-11-47 cloud cover : 0.00% 2025-06-17 12:54:45,316 - satellite_download_logger - INFO - L8 2025-05-30-10-11-47: sand: 0.00% ,whitewater: 0.00% ,water: 47.38% 2025-06-17 12:54:45,316 - satellite_download_logger - INFO - L8 2025-05-30-10-11-47: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:54:45,317 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-17 12:54:45,317 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 111 2025-06-17 12:54:45,317 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 111 2025-06-17 12:54:45,317 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 111 2025-06-17 12:54:45,317 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 111 2025-06-17 12:54:45,477 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-06-17 12:54:45,481 - satellite_download_logger - INFO - L9 2025-05-31-10-05-34 cloud cover : 0.00% 2025-06-17 12:54:45,500 - satellite_download_logger - INFO - L9 2025-05-31-10-05-34: sand: 0.00% ,whitewater: 0.00% ,water: 47.62% 2025-06-17 12:54:45,501 - satellite_download_logger - INFO - L9 2025-05-31-10-05-34: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:54:45,502 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-17 12:54:45,502 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 101 2025-06-17 12:54:45,502 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 101 2025-06-17 12:54:45,502 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 101 2025-06-17 12:54:45,502 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 101 2025-06-17 12:54:45,665 - satellite_download_logger - WARNING - L9 2025-06-07-10-11-45: Skipped due to cloud cover 21.85% > threshold 10.00%