# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        1.12        -7.14        -3.70  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20141102_1020010035E71900_1020010038C64F00_2m_lsf_v040306//SETSM_s2s041_WV01_20141102_1020010035E71900_1020010038C64F00_2m_lsf_seg1_meta.txt 
       -3.79         1.32        -0.64  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20160909_1040010022B4D100_1040010020824700_2m_lsf_v040306//SETSM_s2s041_WV03_20160909_1040010022B4D100_1040010020824700_2m_lsf_seg1_meta.txt 
        2.40        -2.41        -1.53  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180305_102001006CD0B400_1020010071CF7D00_2m_lsf_v030302//SETSM_s2s041_WV01_20180305_102001006CD0B400_1020010071CF7D00_2m_lsf_seg1_meta.txt 
        1.37        -0.35         2.95  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20180919_1030010082828800_1030010083523E00_2m_lsf_v030403//SETSM_s2s041_WV02_20180919_1030010082828800_1030010083523E00_2m_lsf_seg2_meta.txt 
       -2.26         8.49         2.06  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20181031_10300100868D9A00_10300100868FCE00_2m_lsf_v030403//SETSM_s2s041_WV02_20181031_10300100868D9A00_10300100868FCE00_2m_lsf_seg1_meta.txt 
        1.32         4.21        -2.55  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190417_102001008791B300_1020010085693F00_2m_lsf_v040002//SETSM_s2s041_WV01_20190417_102001008791B300_1020010085693F00_2m_lsf_seg1_meta.txt 
        3.62         2.45        11.44  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20190422_10300100909FAB00_1030010092D70900_2m_lsf_v040002//SETSM_s2s041_WV02_20190422_10300100909FAB00_1030010092D70900_2m_lsf_seg1_meta.txt 
       -2.31        -1.74        -2.73  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200530_102001009AB2B000_1020010095064B00_2m_lsf_v040204//SETSM_s2s041_WV01_20200530_102001009AB2B000_1020010095064B00_2m_lsf_seg1_meta.txt 
       -1.47        -4.84        -5.31  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200531_102001009795F700_1020010097262200_2m_lsf_v040204//SETSM_s2s041_WV01_20200531_102001009795F700_1020010097262200_2m_lsf_seg3_meta.txt