# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -6.36        -3.36         2.76  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//W1W2_20120402_1020010018644B00_1030010012125200_2m_lsf_seg7_meta.txt 
       -2.05         2.99         3.51  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//W1W2_20120402_1020010018644B00_1030010012125200_2m_lsf_seg6_meta.txt 
        0.11        -3.55         0.16  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20130220_103001002029DE00_1030010020AD6C00_2m_lsf_seg1_meta.txt 
        3.52        -2.58        -3.36  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20130315_1020010022DAB500_1020010020A70C00_2m_lsf_seg1_meta.txt 
        2.90         1.77         2.42  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20130403_1020010020361500_10200100209CE600_2m_lsf_seg1_meta.txt 
        0.68        -2.62        -1.37  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20140505_102001002E29E400_102001002DDCFD00_2m_lsf_seg1_meta.txt 
        2.58        -4.33         0.29  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20140506_10300100304B2600_10300100301D9E00_2m_lsf_seg2_meta.txt 
       -0.20         2.48        -1.91  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20160706_1030010059B88800_10300100593E7800_2m_lsf_seg1_meta.txt 
       -2.47         1.41        -2.67  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20170418_1030010068237E00_10300100670B3900_2m_lsf_seg1_meta.txt 
       -1.98         2.14        -0.64  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20170516_102001006492EE00_1020010060081700_2m_lsf_seg1_meta.txt 
        0.00         0.00         3.11  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20180426_103001007D718900_103001007ED6EE00_2m_lsf_seg1_meta.txt 
        2.29        -2.94         4.19  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20190328_102001008056E100_102001008245F300_2m_lsf_seg1_meta.txt 
        3.37         5.72         0.40  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20190619_10300100930BA200_1030010094733100_2m_lsf_seg1_meta.txt 
       -2.38         2.87        -6.89  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20200609_10300100A94B4300_10300100A94E9000_2m_lsf_seg1_meta.txt