# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -1.98        -2.58         5.46  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20130108_102001001F756D00_102001001F961E00_2m_lsf_seg3_meta.txt 
       -0.89        -1.74         1.67  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20131022_1030010028648E00_1030010028828A00_2m_lsf_seg1_meta.txt 
        0.65        -0.30        -1.23  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20141110_10200100360C8400_1020010035810F00_2m_lsf_seg1_meta.txt 
        0.50        -1.81        -0.60  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20160115_1020010049A3C600_1020010048677D00_2m_lsf_seg1_meta.txt 
        0.53         1.27         4.37  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20161106_10400100233AFC00_1040010024BD9D00_2m_lsf_seg1_meta.txt 
        3.01        -5.33         0.08  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20170102_102001005900A000_102001005B49CA00_2m_lsf_seg1_meta.txt 
        0.76        -1.46        -0.10  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20170730_10300100700A0F00_103001006D7F8700_2m_lsf_seg1_meta.txt 
        0.89         1.87         2.82  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171007_104001003375BE00_1040010032A99400_2m_lsf_seg2_meta.txt 
       -0.82         2.75         0.12  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171109_10400100342D3B00_1040010034067000_2m_lsf_seg1_meta.txt 
       -0.67         7.06        -4.10  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//W3W3_20180930_104001004350BB00_1040010043D3B300_2m_lsf_seg1_meta.txt 
       -1.67        -1.67         2.17  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20181110_102001007C05C800_102001007B7FB400_2m_lsf_seg1_meta.txt 
       -1.49         2.26         1.40  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200406_10300100A4A3CA00_10300100A4708900_2m_lsf_seg2_meta.txt 
        1.87        -1.64        -0.58  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200406_10300100A492FA00_10300100A48D6100_2m_lsf_seg1_meta.txt 
        4.61         0.29        -6.79  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200605_10300100A62DE700_10300100A8D69A00_2m_lsf_seg1_meta.txt 
       -5.31         1.03        -4.69  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200621_10300100A883C000_10300100AA8DA200_2m_lsf_seg1_meta.txt