# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        2.99        -2.07       -19.50  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W2W2_20110719_103001000C5C5600_103001000C909E00_2m_lsf_v040309//SETSM_s2s041_W2W2_20110719_103001000C5C5600_103001000C909E00_2m_lsf_seg1_meta.txt 
        2.49         6.29        16.26  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W2W2_20110719_103001000C5C5600_103001000CBFE800_2m_lsf_v040309//SETSM_s2s041_W2W2_20110719_103001000C5C5600_103001000CBFE800_2m_lsf_seg1_meta.txt 
       -0.85        -4.01        -3.51  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W2W2_20110802_103001000C909E00_103001000CBFE800_2m_lsf_v040306//SETSM_s2s041_W2W2_20110802_103001000C909E00_103001000CBFE800_2m_lsf_seg1_meta.txt 
        5.51         5.63         1.03  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20130407_10200100212CBC00_1020010021BA4400_2m_lsf_v040309//SETSM_s2s041_WV01_20130407_10200100212CBC00_1020010021BA4400_2m_lsf_seg1_meta.txt 
        2.30         1.48        -0.58  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20130411_102001001F6FD200_1020010020D74E00_2m_lsf_v040306//SETSM_s2s041_WV01_20130411_102001001F6FD200_1020010020D74E00_2m_lsf_seg1_meta.txt 
        1.37         0.22        -1.14  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20130429_10300100227A3400_103001002187B200_2m_lsf_v040306//SETSM_s2s041_WV02_20130429_10300100227A3400_103001002187B200_2m_lsf_seg1_meta.txt 
       -0.42        -2.35         2.99  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20140427_10300100301BF600_1030010030D0BC00_2m_lsf_v040306//SETSM_s2s041_WV02_20140427_10300100301BF600_1030010030D0BC00_2m_lsf_seg1_meta.txt 
        0.97        -3.52         1.68  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20150415_1030010040D7C000_103001003F58D600_2m_lsf_v040306//SETSM_s2s041_WV02_20150415_1030010040D7C000_103001003F58D600_2m_lsf_seg1_meta.txt 
       -1.28        -2.33        -1.39  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20160606_1030010056B39C00_1030010059813500_2m_lsf_v040306//SETSM_s2s041_WV02_20160606_1030010056B39C00_1030010059813500_2m_lsf_seg1_meta.txt 
       -2.67         0.23         1.57  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20170508_104001002CCF4F00_104001002D305900_2m_lsf_v040306//SETSM_s2s041_WV03_20170508_104001002CCF4F00_104001002D305900_2m_lsf_seg1_meta.txt 
       -2.74        -0.45         1.38  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20170709_10200100635E8000_1020010062E67600_2m_lsf_v040306//SETSM_s2s041_WV01_20170709_10200100635E8000_1020010062E67600_2m_lsf_seg1_meta.txt 
       -2.17         3.26         2.12  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180805_102001007C2E2500_1020010076665000_2m_lsf_v030403//SETSM_s2s041_WV01_20180805_102001007C2E2500_1020010076665000_2m_lsf_seg1_meta.txt 
       -3.52        -0.19         1.61  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200608_1020010096E07200_1020010098AC3100_2m_lsf_v040204//SETSM_s2s041_WV01_20200608_1020010096E07200_1020010098AC3100_2m_lsf_seg1_meta.txt 
       -1.89         0.44        -0.35  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200821_102001009B22AC00_102001009D355C00_2m_lsf_v040303//SETSM_s2s041_WV01_20200821_102001009B22AC00_102001009D355C00_2m_lsf_seg1_meta.txt 
        0.89        -2.96        -0.42  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20220504_10200100C25ABB00_10200100C4C09E00_2m_lsf_v040311//SETSM_s2s041_WV01_20220504_10200100C25ABB00_10200100C4C09E00_2m_lsf_seg1_meta.txt 
       -0.98         0.34        -1.77  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20220508_1040010075705400_1040010075750200_2m_lsf_v040311//SETSM_s2s041_WV03_20220508_1040010075705400_1040010075750200_2m_lsf_seg1_meta.txt