# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.38         0.90         0.85  /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 
        0.83        -1.81         0.12  /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 
        0.31        -1.50         3.88  /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 
       -1.80         2.56         2.35  /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 
       -0.19         0.89        -0.04  /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        -0.99  /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 
        0.06        -3.41         2.64  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV03_20170330_104001002B2BBC00_104001002B337100_2m_lsf_v030204//WV03_20170330_104001002B2BBC00_104001002B337100_2m_lsf_seg7_meta.txt 
        1.13        -1.71         1.98  /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 
       -2.26         0.80        -5.27  /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 
        1.25         3.05        -2.66  /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 
        0.30         0.23        -2.85  /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