# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -2.22        -3.92         0.88  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20130108_102001001FC18700_102001001F4A6500_2m_lsf_seg1_meta.txt 
        1.65        -2.74         1.70  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20140926_1030010037C39400_103001003695C400_2m_lsf_seg1_meta.txt 
        1.63        -1.10        -1.49  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20141110_10200100360C8400_1020010035810F00_2m_lsf_seg1_meta.txt 
        2.40        -5.04        -1.21  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20160115_1020010046D78200_102001004B933300_2m_lsf_seg1_meta.txt 
       -1.81        -0.23         2.78  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20160602_10300100587B8400_1030010057914800_2m_lsf_seg1_meta.txt 
        3.67        -4.61         0.41  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20170102_102001005900A000_102001005B49CA00_2m_lsf_seg1_meta.txt 
        0.26        -2.99        -0.85  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20170730_10300100700A0F00_103001006D7F8700_2m_lsf_seg1_meta.txt 
        2.15        -2.50         0.75  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20171006_1020010069364C00_1020010067322A00_2m_lsf_seg1_meta.txt 
        0.28        -0.24         1.83  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171007_104001003375BE00_1040010032A99400_2m_lsf_seg3_meta.txt 
        0.32        -0.36         1.96  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171007_104001003375BE00_1040010032A99400_2m_lsf_seg2_meta.txt 
       -0.47         2.17         0.03  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171109_10400100342D3B00_1040010034067000_2m_lsf_seg1_meta.txt 
        0.63         5.12        -3.67  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//W3W3_20180930_104001004350BB00_1040010043D3B300_2m_lsf_seg1_meta.txt 
        0.43        -2.16         1.15  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20181110_102001007C05C800_102001007B7FB400_2m_lsf_seg1_meta.txt 
       -0.68         2.03         2.76  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20181110_1030010089450300_103001008719B500_2m_lsf_seg1_meta.txt 
        0.12         3.01        -1.11  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20191019_10400100536F1D00_1040010055525000_2m_lsf_seg1_meta.txt 
        3.48         3.52         0.36  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200321_10300100A2CC3400_10300100A340E800_2m_lsf_seg1_meta.txt 
       -3.21         3.08        -1.33  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20200331_104001005ACF4C00_104001005AB98C00_2m_lsf_seg5_meta.txt 
       -3.29         3.14        -1.29  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20200331_104001005ACF4C00_104001005AB98C00_2m_lsf_seg6_meta.txt 
       -3.52         3.03        -1.12  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20200331_104001005ACF4C00_104001005AB98C00_2m_lsf_seg7_meta.txt 
       -3.63         2.96        -1.13  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20200331_104001005ACF4C00_104001005AB98C00_2m_lsf_seg2_meta.txt 
        1.81        -2.18        -1.41  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200406_10300100A492FA00_10300100A48D6100_2m_lsf_seg1_meta.txt