# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -1.66        -1.54         5.09  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20130108_102001001F756D00_102001001F961E00_2m_lsf_seg3_meta.txt 
        1.23        -0.27        -1.95  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20141110_10200100360C8400_1020010035810F00_2m_lsf_seg1_meta.txt 
        0.00        -2.29        -1.43  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20160115_1020010049A3C600_1020010048677D00_2m_lsf_seg1_meta.txt 
       -0.57         1.88         3.64  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20161106_10400100233AFC00_1040010024BD9D00_2m_lsf_seg1_meta.txt 
       -0.41         0.67         1.52  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20161108_1020010056767000_1020010058712700_2m_lsf_seg1_meta.txt 
        3.91        -5.52        -0.21  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20170102_102001005900A000_102001005B49CA00_2m_lsf_seg1_meta.txt 
        0.36        -1.29        -0.99  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20170730_10300100700A0F00_103001006D7F8700_2m_lsf_seg1_meta.txt 
        3.73         3.28         1.64  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20170930_1030010072891100_1030010071247900_2m_lsf_seg1_meta.txt 
       -0.62         2.40         1.90  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171007_104001003375BE00_1040010032A99400_2m_lsf_seg2_meta.txt 
       -1.00         3.70        -0.40  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV03_20171109_10400100342D3B00_1040010034067000_2m_lsf_seg1_meta.txt 
       -1.06        -0.76         1.36  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20181110_102001007C05C800_102001007B7FB400_2m_lsf_seg1_meta.txt 
       -1.92        -2.56        -0.31  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV01_20191022_102001008DB93000_1020010090BBB600_2m_lsf_seg1_meta.txt 
        0.00         0.00         2.68  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200313_10300100A2C1AE00_10300100A4AE4600_2m_lsf_seg1_meta.txt 
        3.02         0.92        -7.16  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200605_10300100A62DE700_10300100A8D69A00_2m_lsf_seg1_meta.txt 
       -5.01         1.35        -5.37  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_31_alaska_south//WV02_20200621_10300100A883C000_10300100AA8DA200_2m_lsf_seg1_meta.txt