# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        4.00        -1.24        -0.36  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//W1W1_20100701_102001000D06A500_102001000E9C4E00_2m_lsf_seg3_meta.txt 
        4.54        -6.78       -16.29  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//W1W1_20100704_102001000D022300_102001000D06A500_2m_lsf_seg2_meta.txt 
        4.01        -2.47        -1.95  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//W1W1_20100910_102001000E2D1D00_102001000ECBDC00_2m_lsf_seg2_meta.txt 
        0.18        -0.25         4.30  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20121019_103001001CC73500_103001001D028400_2m_lsf_seg1_meta.txt 
        1.15         1.16        -2.23  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20130612_10300100221CA300_103001002266A600_2m_lsf_seg1_meta.txt 
        2.50        -0.14        -1.60  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20130619_10200100235E1700_1020010020157000_2m_lsf_seg1_meta.txt 
       -0.70        -0.40         0.19  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20130620_1020010022BA9500_1020010021B94400_2m_lsf_seg1_meta.txt 
        1.21        -2.20        -0.68  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20140621_1020010030E3A800_102001002E761800_2m_lsf_seg1_meta.txt 
        5.44         0.73         2.21  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20140624_102001002E675C00_102001002FC4FB00_2m_lsf_seg1_meta.txt 
        1.26        -1.37        -0.85  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20150601_1030010043BE0000_10300100429E5100_2m_lsf_seg2_meta.txt 
        6.45         0.50        -3.90  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20160702_1030010058530A00_1030010059138400_2m_lsf_seg1_meta.txt 
        0.57         3.41         0.95  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20160805_102001005389E700_1020010053C0B100_2m_lsf_seg1_meta.txt 
        0.01         0.48         2.61  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20161026_103001005C4C7C00_103001005D9C7700_2m_lsf_seg1_meta.txt 
       -0.54        -0.20         1.98  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20161026_10400100239A3E00_10400100231BF300_2m_lsf_seg1_meta.txt 
       -1.30         0.56         0.81  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20170227_104001002A09E100_104001002944D600_2m_lsf_seg1_meta.txt 
        0.00         0.00         3.74  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20170307_102001005E864400_102001005E89EE00_2m_lsf_seg2_meta.txt 
       -9.43        -2.38        -3.70  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20170512_103001006BC16C00_103001006990BA00_2m_lsf_seg1_meta.txt 
        0.41        -0.73         0.03  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20170726_1040010030C23E00_10400100312DED00_2m_lsf_seg1_meta.txt 
       -0.21        -0.32         2.59  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20170825_1030010070CD9C00_10300100708AEE00_2m_lsf_seg1_meta.txt 
       -0.83         3.22         4.61  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20180304_1030010079564400_103001007B9AEF00_2m_lsf_seg1_meta.txt 
       -0.33         1.82         3.64  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20180317_103001007A9E9000_103001007A991C00_2m_lsf_seg1_meta.txt 
       -1.99         0.47         0.20  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20180413_104001003B4A4200_104001003A508A00_2m_lsf_seg1_meta.txt 
       -1.96         0.21        -0.40  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20190220_104001004832DA00_10400100474E3700_2m_lsf_seg1_meta.txt 
       -1.21         2.86         1.27  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20190319_1040010049B0CC00_1040010049B3D300_2m_lsf_seg1_meta.txt 
       -0.79         3.76         1.46  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20190319_1040010049B0CC00_1040010049B3D300_2m_lsf_seg2_meta.txt 
       -0.90         1.85         3.40  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20190323_103001008D422600_103001008F655300_2m_lsf_seg1_meta.txt 
       -7.51        -1.78         0.52  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20200305_10300100A3803F00_10300100A65C3C00_2m_lsf_seg1_meta.txt 
       -4.03        -0.76        -2.57  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20200430_104001005B499400_104001005C7B0F00_2m_lsf_seg1_meta.txt