# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -0.61        -2.39         4.50  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20130108_102001001F756D00_102001001F961E00_2m_lsf_seg2_meta.txt 
       -0.52        -2.54         4.47  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20130108_102001001F756D00_102001001F961E00_2m_lsf_seg1_meta.txt 
       -0.59        -2.23         4.57  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20130108_102001001F756D00_102001001F961E00_2m_lsf_seg3_meta.txt 
       -3.34        -2.96        -0.10  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20131022_1030010028648E00_1030010028828A00_2m_lsf_seg1_meta.txt 
        2.26        -0.78        -2.04  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20141110_10200100360C8400_1020010035810F00_2m_lsf_seg1_meta.txt 
        0.92        -2.11        -1.37  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20160115_1020010049A3C600_1020010048677D00_2m_lsf_seg1_meta.txt 
        0.54         1.42         3.40  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20161106_10400100233AFC00_1040010024BD9D00_2m_lsf_seg1_meta.txt 
        4.87        -5.67        -0.35  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20170102_102001005900A000_102001005B49CA00_2m_lsf_seg1_meta.txt 
        1.33        -1.70        -0.72  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20170730_10300100700A0F00_103001006D7F8700_2m_lsf_seg1_meta.txt 
        5.47         2.77         1.56  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20170930_1030010072891100_1030010071247900_2m_lsf_seg1_meta.txt 
        0.49         0.45         2.17  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171007_104001003375BE00_1040010032A99400_2m_lsf_seg2_meta.txt 
        0.40         3.50        -0.07  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171109_10400100342D3B00_1040010034067000_2m_lsf_seg1_meta.txt 
       -0.05        -0.75         1.11  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20181110_102001007C05C800_102001007B7FB400_2m_lsf_seg1_meta.txt 
       -0.28        -3.22        -0.44  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20191022_102001008DB93000_1020010090BBB600_2m_lsf_seg1_meta.txt 
       -2.51         3.57        -0.95  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20200331_104001005ACF4C00_104001005AB98C00_2m_lsf_seg5_meta.txt 
       -2.99         3.80        -0.82  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20200331_104001005ACF4C00_104001005AB98C00_2m_lsf_seg6_meta.txt 
       -2.80         3.94        -0.70  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20200331_104001005ACF4C00_104001005AB98C00_2m_lsf_seg7_meta.txt 
       -2.66         3.35        -0.77  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20200331_104001005ACF4C00_104001005AB98C00_2m_lsf_seg2_meta.txt 
        3.89         0.85        -8.08  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200605_10300100A62DE700_10300100A8D69A00_2m_lsf_seg1_meta.txt 
       -3.81         0.69        -5.38  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200621_10300100A883C000_10300100AA8DA200_2m_lsf_seg1_meta.txt