# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        1.88        -2.16         6.70  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W1W2_20120310_102001001AE20900_1030010012B40B00_2m_lsf_v040310//SETSM_s2s041_W1W2_20120310_102001001AE20900_1030010012B40B00_2m_lsf_seg1_meta.txt 
        0.96        -2.86        -2.12  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20130703_1030010024694C00_1030010025A4F500_2m_lsf_v040306//SETSM_s2s041_WV02_20130703_1030010024694C00_1030010025A4F500_2m_lsf_seg1_meta.txt 
       -1.36         2.29        -2.77  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20140510_1030010031162200_1030010030273A00_2m_lsf_v040306//SETSM_s2s041_WV02_20140510_1030010031162200_1030010030273A00_2m_lsf_seg1_meta.txt 
       -0.97        -1.25        -2.30  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20140624_10300100338AE900_1030010032156200_2m_lsf_v040306//SETSM_s2s041_WV02_20140624_10300100338AE900_1030010032156200_2m_lsf_seg1_meta.txt 
       -1.26        -2.13         0.17  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20150213_1040010007C5F000_1040010008863700_2m_lsf_v040306//SETSM_s2s041_WV03_20150213_1040010007C5F000_1040010008863700_2m_lsf_seg1_meta.txt 
        0.17        -1.59         0.16  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20150215_1040010008486600_1040010007971300_2m_lsf_v040306//SETSM_s2s041_WV03_20150215_1040010008486600_1040010007971300_2m_lsf_seg1_meta.txt 
        3.87         2.59         0.29  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20160922_103001005C99EE00_103001005C6F0800_2m_lsf_v040201//SETSM_s2s041_WV02_20160922_103001005C99EE00_103001005C6F0800_2m_lsf_seg1_meta.txt 
       -1.61         0.39         0.33  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20160923_104001002232B100_10400100234EB900_2m_lsf_v040201//SETSM_s2s041_WV03_20160923_104001002232B100_10400100234EB900_2m_lsf_seg1_meta.txt 
       -3.81        -0.63         0.47  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20170402_103001006626A200_1030010066048C00_2m_lsf_v040201//SETSM_s2s041_WV02_20170402_103001006626A200_1030010066048C00_2m_lsf_seg1_meta.txt 
        3.22         0.41        -2.57  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180718_102001007788BC00_1020010077C8A000_2m_lsf_v040309//SETSM_s2s041_WV01_20180718_102001007788BC00_1020010077C8A000_2m_lsf_seg1_meta.txt 
        1.44         1.19         2.15  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190417_10200100857E4B00_1020010084E9E900_2m_lsf_v040002//SETSM_s2s041_WV01_20190417_10200100857E4B00_1020010084E9E900_2m_lsf_seg1_meta.txt 
        2.04        -0.81        -1.18  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200320_1020010097136700_1020010094B58000_2m_lsf_v040201//SETSM_s2s041_WV01_20200320_1020010097136700_1020010094B58000_2m_lsf_seg1_meta.txt 
       -2.30         1.33        -3.09  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20200322_10300100A4C80D00_10300100A257EB00_2m_lsf_v040201//SETSM_s2s041_WV02_20200322_10300100A4C80D00_10300100A257EB00_2m_lsf_seg1_meta.txt 
        4.35         1.34        -1.58  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200324_1020010095B77E00_10200100974D1800_2m_lsf_v040201//SETSM_s2s041_WV01_20200324_1020010095B77E00_10200100974D1800_2m_lsf_seg1_meta.txt 
       -4.37         3.56         3.79  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20210331_10300100BC1FFE00_10300100BC2E5A00_2m_lsf_v040307//SETSM_s2s041_WV02_20210331_10300100BC1FFE00_10300100BC2E5A00_2m_lsf_seg1_meta.txt 
       -2.24        -1.67         1.56  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20211023_10300100C79C6300_10300100C8505D00_2m_lsf_v040310//SETSM_s2s041_WV02_20211023_10300100C79C6300_10300100C8505D00_2m_lsf_seg1_meta.txt