# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -0.58        -3.13         2.90  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20130108_102001001F756D00_102001001F961E00_2m_lsf_seg2_meta.txt 
       -0.95        -2.93         2.86  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20130108_102001001F756D00_102001001F961E00_2m_lsf_seg1_meta.txt 
        2.44        -1.70        -2.31  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20141110_10200100360C8400_1020010035810F00_2m_lsf_seg1_meta.txt 
        0.95         4.10         1.86  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20141114_103001003A330500_10300100388E4200_2m_lsf_seg3_meta.txt 
       -1.02        -1.62        -1.54  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20141227_10200100361D1A00_10200100372EA900_2m_lsf_seg1_meta.txt 
       -1.80         1.00        -0.47  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20141230_103001003C1FC200_103001003B488C00_2m_lsf_seg1_meta.txt 
        1.57        -3.29        -2.66  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20160115_1020010049A3C600_1020010048677D00_2m_lsf_seg1_meta.txt 
        0.11         0.58         2.80  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20161106_10400100233AFC00_1040010024BD9D00_2m_lsf_seg1_meta.txt 
        0.30        -0.71         0.66  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20161108_1020010056767000_1020010058712700_2m_lsf_seg1_meta.txt 
        5.11         2.43         0.34  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20170930_1030010072891100_1030010071247900_2m_lsf_seg1_meta.txt 
       -0.21        -1.60         0.61  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20181110_102001007C05C800_102001007B7FB400_2m_lsf_seg1_meta.txt 
       -1.10        -3.65        -1.34  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20191022_102001008DB93000_1020010090BBB600_2m_lsf_seg1_meta.txt 
        0.64         5.14         1.90  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200313_10300100A2C1AE00_10300100A4AE4600_2m_lsf_seg1_meta.txt 
       -1.21         1.82        -1.00  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200406_10300100A4A3CA00_10300100A4708900_2m_lsf_seg3_meta.txt 
       -1.64         2.00        -0.63  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200406_10300100A4A3CA00_10300100A4708900_2m_lsf_seg2_meta.txt 
       -2.62         1.56        -4.00  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20200629_1020010098908000_102001009AEA7800_2m_lsf_seg2_meta.txt