# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        1.64        -0.10        -0.23  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20120615_103001001999D200_103001001989B200_2m_lsf_v040306//SETSM_s2s041_WV02_20120615_103001001999D200_103001001989B200_2m_lsf_seg1_meta.txt 
        1.90         6.17         1.18  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W2W2_20120615_10300100194B2D00_1030010019A91600_2m_lsf_v040000//SETSM_s2s041_W2W2_20120615_10300100194B2D00_1030010019A91600_2m_lsf_seg3_meta.txt 
        0.30         0.54         2.38  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20150412_102001003CD4A400_102001003B601B00_2m_lsf_v040306//SETSM_s2s041_WV01_20150412_102001003CD4A400_102001003B601B00_2m_lsf_seg1_meta.txt 
        0.07        -0.27        -1.14  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20150416_102001003C475600_102001003EAA8700_2m_lsf_v040306//SETSM_s2s041_WV01_20150416_102001003C475600_102001003EAA8700_2m_lsf_seg1_meta.txt 
       -5.16        -7.51        -7.29  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180717_10200100768ADA00_1020010075176500_2m_lsf_v030302//SETSM_s2s041_WV01_20180717_10200100768ADA00_1020010075176500_2m_lsf_seg1_meta.txt 
        0.62         0.29         3.96  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20190607_1030010094165A00_103001009124C300_2m_lsf_v040002//SETSM_s2s041_WV02_20190607_1030010094165A00_103001009124C300_2m_lsf_seg1_meta.txt 
        0.43         0.23         0.81  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200418_10200100945E2100_10200100979B5800_2m_lsf_v040201//SETSM_s2s041_WV01_20200418_10200100945E2100_10200100979B5800_2m_lsf_seg1_meta.txt 
        0.19         0.64         0.33  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20210327_1040010066B87700_104001006728C200_2m_lsf_v040307//SETSM_s2s041_WV03_20210327_1040010066B87700_104001006728C200_2m_lsf_seg1_meta.txt