# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.74        -0.74         2.20  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20131022_1030010028648E00_1030010028828A00_2m_lsf_seg1_meta.txt 
        0.76         1.50        -0.73  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20141110_10200100360C8400_1020010035810F00_2m_lsf_seg1_meta.txt 
       -2.48        -8.18        -0.32  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20170102_102001005900A000_102001005B49CA00_2m_lsf_seg1_meta.txt 
        0.82         5.61         2.40  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171007_104001003375BE00_1040010032A99400_2m_lsf_seg2_meta.txt 
       -5.40        -1.78         0.89  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171109_10400100342D3B00_1040010034067000_2m_lsf_seg1_meta.txt 
        0.19         0.46         2.29  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20181110_102001007C05C800_102001007B7FB400_2m_lsf_seg1_meta.txt 
        5.37         3.13        -6.74  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200605_10300100A62DE700_10300100A8D69A00_2m_lsf_seg1_meta.txt