# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        1.85        -1.30        -1.53  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20130913_102001002645A900_1020010024998800_2m_lsf_v040306//SETSM_s2s041_WV01_20130913_102001002645A900_1020010024998800_2m_lsf_seg1_meta.txt 
       -2.66        -0.39        -0.78  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20160308_1040010019AE4300_1040010019778000_2m_lsf_v040306//SETSM_s2s041_WV03_20160308_1040010019AE4300_1040010019778000_2m_lsf_seg1_meta.txt 
        0.31         6.62        -0.69  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20170701_1020010062E80800_1020010064236500_2m_lsf_v040306//SETSM_s2s041_WV01_20170701_1020010062E80800_1020010064236500_2m_lsf_seg1_meta.txt 
       -1.87         1.77         1.02  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180606_1020010074417900_1020010076127300_2m_lsf_v030400//SETSM_s2s041_WV01_20180606_1020010074417900_1020010076127300_2m_lsf_seg1_meta.txt 
        3.21         1.33         0.54  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190226_1020010081C56C00_102001007F93EC00_2m_lsf_v030403//SETSM_s2s041_WV01_20190226_1020010081C56C00_102001007F93EC00_2m_lsf_seg1_meta.txt 
        4.03        -4.94         1.08  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190301_10200100827BDF00_1020010080EA9600_2m_lsf_v030403//SETSM_s2s041_WV01_20190301_10200100827BDF00_1020010080EA9600_2m_lsf_seg1_meta.txt 
       -1.36         0.09        -0.16  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20200328_104001005983A200_1040010058C89C00_2m_lsf_v040201//SETSM_s2s041_WV03_20200328_104001005983A200_1040010058C89C00_2m_lsf_seg1_meta.txt 
       -2.50        -1.88         0.52  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20210308_10300100B311AC00_10300100B4A1B200_2m_lsf_v040307//SETSM_s2s041_WV02_20210308_10300100B311AC00_10300100B4A1B200_2m_lsf_seg1_meta.txt 
       -1.01        -1.31         0.00  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20210313_1040010066C6F900_10400100674F1800_2m_lsf_v040307//SETSM_s2s041_WV03_20210313_1040010066C6F900_10400100674F1800_2m_lsf_seg1_meta.txt