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Flexbrdf/eph.py
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21
Flexbrdf/eph.py
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import numpy as np
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# 假设文件名为 f100506t01p00r07rdn_v_lonlat_eph
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filename = r"E:\AVRIS\f100831t01p00r09.tar\f100831t01p00r09\f100831t01p00r09rdn_b\f100831t01p00r09rdn_b_eph"
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# 读取所有双精度浮点数
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data = np.fromfile(filename, dtype=np.float64)
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# 每条扫描线有6个值,重塑为二维数组:行=扫描线,列=6
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data = data.reshape(-1, 6)
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# 现在 data 的每一行对应一条扫描线
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lon = data[:, 1] # 经度
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lat = data[:, 2] # 纬度
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elev = data[:, 3] # 高程
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# 示例:打印前5条扫描线的经度
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print("前5条经度:", lon[:5])
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print("前5条纬度:", lat[:5])
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print("前5条高程:", elev[:5])
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