# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        2.11        -7.04        -6.61  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W1W2_20120314_1020010018245A00_10300100111F5300_2m_lsf_v040306//SETSM_s2s041_W1W2_20120314_1020010018245A00_10300100111F5300_2m_lsf_seg1_meta.txt 
        1.21         1.50         2.41  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20140312_103001002EB5F200_103001002E008C00_2m_lsf_v040306//SETSM_s2s041_WV02_20140312_103001002EB5F200_103001002E008C00_2m_lsf_seg1_meta.txt 
        3.04         0.83        -0.77  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20150512_10300100429BA600_1030010042797700_2m_lsf_v040306//SETSM_s2s041_WV02_20150512_10300100429BA600_1030010042797700_2m_lsf_seg1_meta.txt 
        2.35        -1.05        -0.37  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20150517_103001004231FC00_1030010042482300_2m_lsf_v040306//SETSM_s2s041_WV02_20150517_103001004231FC00_1030010042482300_2m_lsf_seg1_meta.txt 
        1.94        -0.85         0.01  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20160728_104001001F52C500_104001002077F900_2m_lsf_v040306//SETSM_s2s041_WV03_20160728_104001001F52C500_104001002077F900_2m_lsf_seg1_meta.txt 
        1.99        -0.09        -1.74  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20160816_104001002016C500_1040010021CDF200_2m_lsf_v040306//SETSM_s2s041_WV03_20160816_104001002016C500_1040010021CDF200_2m_lsf_seg1_meta.txt 
       -4.45        -0.36         1.51  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20170503_1020010060D2C900_1020010061D2BB00_2m_lsf_v040306//SETSM_s2s041_WV01_20170503_1020010060D2C900_1020010061D2BB00_2m_lsf_seg1_meta.txt 
       -8.45         4.23         4.12  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20170529_103001006B6B9B00_103001006A935300_2m_lsf_v040101//SETSM_s2s041_WV02_20170529_103001006B6B9B00_103001006A935300_2m_lsf_seg1_meta.txt 
        0.27         2.83         1.44  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20200520_10300100A864E100_10300100A79B4E00_2m_lsf_v040203//SETSM_s2s041_WV02_20200520_10300100A864E100_10300100A79B4E00_2m_lsf_seg1_meta.txt