# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.69        -0.11        -0.88  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV02_20130703_1030010025656800_10300100239D1400_2m_lsf_v030001//WV02_20130703_1030010025656800_10300100239D1400_2m_lsf_seg3_meta.txt 
       -0.06         0.05        -2.67  /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 
       -0.03        -0.87         0.32  /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 
       -0.32         0.20         1.39  /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 
       -0.10        -0.08        -1.03  /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 
       -0.15         0.16         0.79  /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 
        0.04         0.18         1.38  /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 
       -0.07         0.46         0.70  /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