# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.65        -0.26         1.22  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20130611_1020010023545400_10200100229A6F00_2m_lsf_v030001//WV01_20130611_1020010023545400_10200100229A6F00_2m_lsf_seg1_meta.txt 
        0.64        -0.24         0.50  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20150716_10200100424FE600_102001004070AB00_2m_lsf_v040200//WV01_20150716_10200100424FE600_102001004070AB00_2m_lsf_seg1_meta.txt 
       -0.64         1.68         3.17  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV03_20150720_104001000E361B00_104001000E3CDE00_2m_lsf_v040300//WV03_20150720_104001000E361B00_104001000E3CDE00_2m_lsf_seg3_meta.txt 
       -1.53        -4.05         2.69  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20150805_1030010047BF3B00_10300100474B1000_2m_lsf_v030101//WV02_20150805_1030010047BF3B00_10300100474B1000_2m_lsf_seg1_meta.txt 
       -0.00         0.28         0.01  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20160605_102001004BEB0F00_102001004F8ABA00_2m_lsf_v030001//WV01_20160605_102001004BEB0F00_102001004F8ABA00_2m_lsf_seg1_meta.txt 
        0.00         0.00        -0.57  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20160731_103001005A590400_103001005BD81900_2m_lsf_v030101//WV02_20160731_103001005A590400_103001005BD81900_2m_lsf_seg2_meta.txt 
        0.53        -0.04         2.38  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20190706_102001008AEB8100_1020010088875000_2m_lsf_v040101//WV01_20190706_102001008AEB8100_1020010088875000_2m_lsf_seg1_meta.txt 
        0.88         0.95        -4.87  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20190708_10300100969F9000_1030010094096D00_2m_lsf_v040002//WV02_20190708_10300100969F9000_1030010094096D00_2m_lsf_seg1_meta.txt 
       -0.86         1.58        -2.02  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20200620_102001009AD8F400_1020010097CD0100_2m_lsf_v040204//WV01_20200620_102001009AD8F400_1020010097CD0100_2m_lsf_seg1_meta.txt 
        0.34         0.09        -2.49  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20200628_10300100A8CD0700_10300100AA13F800_2m_lsf_v040204//WV02_20200628_10300100A8CD0700_10300100AA13F800_2m_lsf_seg2_meta.txt