21 lines
726 B
Python
21 lines
726 B
Python
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import rasterio
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from pyproj import CRS
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def get_crs_info(tif_path):
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with rasterio.open(tif_path) as src:
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crs = src.crs
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if not crs:
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return "未知坐标系"
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# 硬编码检查 CGCS2000 3度带第35带
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if "CGCS2000" in crs.to_string() and "Gauss-Kruger zone 35" in crs.to_string():
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return "EPSG:4523"
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# 尝试用 pyproj 解析
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try:
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pyproj_crs = CRS.from_user_input(crs.to_wkt())
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epsg_code = pyproj_crs.to_epsg()
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return f"EPSG:{epsg_code}" if epsg_code else crs.to_wkt()
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except Exception as e:
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return f"解析失败: {e}"
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tif_path = "tile_0_0.tif"
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print(f"TIFF坐标系: {get_crs_info(tif_path)}")
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