# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        3.34        -1.88        -0.37  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//W1W1_20100701_102001000D06A500_102001000E9C4E00_2m_lsf_seg3_meta.txt 
       -1.42         0.02         3.67  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20121019_103001001CC73500_103001001D028400_2m_lsf_seg1_meta.txt 
        1.67         0.75        -2.71  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20130612_10300100221CA300_103001002266A600_2m_lsf_seg1_meta.txt 
       -2.86        -2.69        -0.11  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20130620_1020010022BA9500_1020010021B94400_2m_lsf_seg1_meta.txt 
        6.75         1.33         1.71  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20140624_102001002E675C00_102001002FC4FB00_2m_lsf_seg1_meta.txt 
       -3.19        -1.73        -1.27  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20150601_1030010043BE0000_10300100429E5100_2m_lsf_seg2_meta.txt 
        7.02         2.45        -4.58  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20160702_1030010058530A00_1030010059138400_2m_lsf_seg1_meta.txt 
        1.99         3.32         0.36  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20160805_102001005389E700_1020010053C0B100_2m_lsf_seg1_meta.txt 
        1.64         0.63         2.08  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20161026_103001005C4C7C00_103001005D9C7700_2m_lsf_seg1_meta.txt 
       -1.32        -1.71         1.24  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20161026_10400100239A3E00_10400100231BF300_2m_lsf_seg1_meta.txt 
        3.33         1.81         0.16  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20170227_104001002A09E100_104001002944D600_2m_lsf_seg1_meta.txt 
       -1.74        -3.89        -1.34  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20170328_104001002A8A9000_104001002BA37300_2m_lsf_seg1_meta.txt 
       -7.74        -1.44        -4.37  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20170512_103001006BC16C00_103001006990BA00_2m_lsf_seg1_meta.txt 
       -0.84         0.00         1.98  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20170825_1030010070CD9C00_10300100708AEE00_2m_lsf_seg1_meta.txt 
        1.37         2.28         3.65  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20180304_1030010079564400_103001007B9AEF00_2m_lsf_seg1_meta.txt 
        1.00         1.57         2.91  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20180317_103001007A9E9000_103001007A991C00_2m_lsf_seg1_meta.txt 
       -0.19         0.31        -0.32  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20180401_104001003A1B4100_104001003A58C600_2m_lsf_seg1_meta.txt 
       -0.53        -0.44        -0.50  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20180413_104001003B4A4200_104001003A508A00_2m_lsf_seg1_meta.txt 
       -1.54         0.62        -3.00  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20190215_1040010048319300_10400100477ACA00_2m_lsf_seg3_meta.txt 
        0.38        -0.02        -1.24  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20190220_104001004832DA00_10400100474E3700_2m_lsf_seg1_meta.txt 
        0.68         0.57         0.51  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20190319_1040010049B0CC00_1040010049B3D300_2m_lsf_seg1_meta.txt 
        0.00         0.00         0.85  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20190319_1040010049B0CC00_1040010049B3D300_2m_lsf_seg2_meta.txt 
       -0.82         0.05         2.59  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20190323_103001008D422600_103001008F655300_2m_lsf_seg1_meta.txt 
        0.63         0.27         0.52  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20200227_10400100595E8700_1040010059D51D00_2m_lsf_seg1_meta.txt 
        0.13         0.37        -0.18  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20200305_10300100A3803F00_10300100A65C3C00_2m_lsf_seg1_meta.txt 
       -5.42        -1.26         0.97  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20200426_10200100951D7000_10200100970CC400_2m_lsf_seg1_meta.txt 
       -2.33        -1.29        -3.21  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20200430_104001005B499400_104001005C7B0F00_2m_lsf_seg1_meta.txt