# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.50        -0.97         0.54  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W1W2_20120408_102001001A282400_1030010013C89200_2m_lsf_v040000//SETSM_s2s041_W1W2_20120408_102001001A282400_1030010013C89200_2m_lsf_seg1_meta.txt 
        4.31        -6.27        -1.79  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20141030_1030010038871400_1030010037BFF600_2m_lsf_v040306//SETSM_s2s041_WV02_20141030_1030010038871400_1030010037BFF600_2m_lsf_seg1_meta.txt 
        1.14        -2.44         2.39  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20160208_1040010018107100_1040010018417800_2m_lsf_v040306//SETSM_s2s041_WV03_20160208_1040010018107100_1040010018417800_2m_lsf_seg1_meta.txt 
       -1.70         2.99        -2.82  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20170404_102001005CE6ED00_102001005FA02400_2m_lsf_v040306//SETSM_s2s041_WV01_20170404_102001005CE6ED00_102001005FA02400_2m_lsf_seg1_meta.txt 
       -4.25         6.69         1.67  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20170501_10300100692E7100_1030010068524C00_2m_lsf_v040306//SETSM_s2s041_WV02_20170501_10300100692E7100_1030010068524C00_2m_lsf_seg1_meta.txt