# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        1.98         2.29        -3.10  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20130711_1020010026CAB900_1020010021AA1500_2m_lsf_v030001//WV01_20130711_1020010026CAB900_1020010021AA1500_2m_lsf_seg1_meta.txt 
       -2.56         0.94        -0.72  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20130712_1030010024875000_1030010024C2D800_2m_lsf_v030100//WV02_20130712_1030010024875000_1030010024C2D800_2m_lsf_seg2_meta.txt 
        1.45         0.32         0.32  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20130811_10300100266B3B00_10300100257AF200_2m_lsf_v030100//WV02_20130811_10300100266B3B00_10300100257AF200_2m_lsf_seg1_meta.txt 
        1.91        -1.20         0.52  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV03_20150606_104001000CD59000_104001000C9AD000_2m_lsf_v030001//WV03_20150606_104001000CD59000_104001000C9AD000_2m_lsf_seg1_meta.txt 
       -3.88        -1.83        -1.32  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV03_20160721_10400100201C0D00_104001001EA72300_2m_lsf_v030101//WV03_20160721_10400100201C0D00_104001001EA72300_2m_lsf_seg1_meta.txt 
        1.29        -0.39        -2.60  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20170621_103001006C97FD00_103001006A75EE00_2m_lsf_v040002//WV02_20170621_103001006C97FD00_103001006A75EE00_2m_lsf_seg1_meta.txt 
        0.47         0.12         0.76  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20170621_102001006231AC00_1020010063AB9600_2m_lsf_v030208//WV01_20170621_102001006231AC00_1020010063AB9600_2m_lsf_seg1_meta.txt 
       -2.50        -0.08         4.48  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20190826_10300100998FF700_1030010098A4EE00_2m_lsf_v040101//WV02_20190826_10300100998FF700_1030010098A4EE00_2m_lsf_seg1_meta.txt 
        3.63        -0.13         0.97  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV03_20190826_104001005018ED00_1040010050462000_2m_lsf_v040101//WV03_20190826_104001005018ED00_1040010050462000_2m_lsf_seg1_meta.txt 
       -1.78        -0.04         0.69  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20190827_1030010097593B00_1030010098A35F00_2m_lsf_v040101//WV02_20190827_1030010097593B00_1030010098A35F00_2m_lsf_seg1_meta.txt