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fix(raw_to_cog): 完善GDT_Byte类型无效值设置逻辑.

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This commit is contained in:
谢泓 2026-01-28 19:49:42 +08:00
parent 4dd7077d56
commit c82b58e91d
1 changed files with 9 additions and 3 deletions
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12
utils/raw_to_cog.py
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@ -8,7 +8,7 @@ COG (Cloud Optimized GeoTIFF) 是一种优化设计的 GeoTIFF 文件格式, 特
-------------------------------------------------------------------------------
Authors: CVEO Team
Last Updated: 2026-01-08
Last Updated: 2026-01-28
===============================================================================
"""
@ -76,6 +76,8 @@ def tif_to_cog(
no_data = -32768
elif output_type == gdal.GDT_Float32:
no_data = -9999
elif output_type == gdal.GDT_Byte:
no_data = None
else:
no_data = np.nan
logging.warning(f"原数据未设无效值, 现已设为: {no_data}")
@ -113,8 +115,12 @@ def main(input_dir, file_name, output_path, output_type=gdal.GDT_Float32):
input_path = input_dir / file_name
output_path = output_dir / file_name
# 关于无效值
# Float32 类型可以设为 -9999; 8bit 类型可以设为 0
tif_to_cog(str(input_path), str(output_path), output_type, no_data=-9999)
# Float32 类型可以设为 -9999
if output_type == gdal.GDT_Float32:
no_data = -9999
else:
no_data = np.nan
tif_to_cog(str(input_path), str(output_path), output_type, no_data=no_data)
if __name__ == "__main__":