# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.75        -7.22         3.95  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//W1W1_20110328_102001001146EB00_10200100131BC800_2m_lsf_seg1_meta.txt 
        1.81        -3.04         0.39  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20120620_1030010019D3EF00_10300100197D6D00_2m_lsf_seg1_meta.txt 
        0.75        -1.46         3.00  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20120621_10300100183E9700_103001001977C200_2m_lsf_seg1_meta.txt 
       -0.51        -2.61        -0.46  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20140411_102001002B1BF000_102001002D6CDC00_2m_lsf_seg1_meta.txt 
       -1.59        -2.45         1.39  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20150412_10400100095BA500_104001000A500200_2m_lsf_seg1_meta.txt 
        2.45         4.86        -1.32  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20150415_103001003F2C6E00_1030010040390C00_2m_lsf_seg1_meta.txt 
        1.22         3.17        -2.45  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20160612_10300100569A8700_1030010056653200_2m_lsf_seg1_meta.txt 
       -0.30        -2.09         1.04  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20160701_104001001EB0A900_104001001E4D7C00_2m_lsf_seg1_meta.txt 
       -3.02         1.65         1.33  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20170525_102001006207DE00_1020010060830C00_2m_lsf_seg1_meta.txt 
       -0.31         1.87         1.18  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20170714_10200100657ACC00_102001006372CF00_2m_lsf_seg1_meta.txt 
       -0.16         3.90        -3.91  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20190708_1030010094BC1A00_10300100938ACC00_2m_lsf_seg1_meta.txt 
        0.74         1.79        -3.23  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20190708_10300100952AB000_103001009607A400_2m_lsf_seg1_meta.txt 
       -1.82         1.63        -0.92  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20200705_104001005D768800_104001005F474000_2m_lsf_seg1_meta.txt