# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        1.60         0.50         2.96  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20130320_10300100216B5200_1030010020654E00_2m_lsf_v040306//SETSM_s2s041_WV02_20130320_10300100216B5200_1030010020654E00_2m_lsf_seg1_meta.txt 
        0.20         1.86        -0.98  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20130622_1030010024D76600_10300100249DCD00_2m_lsf_v040306//SETSM_s2s041_WV02_20130622_1030010024D76600_10300100249DCD00_2m_lsf_seg1_meta.txt 
       -1.84        -1.20        -0.17  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20130629_1020010022511A00_1020010023329E00_2m_lsf_v040306//SETSM_s2s041_WV01_20130629_1020010022511A00_1020010023329E00_2m_lsf_seg1_meta.txt 
        3.97        -2.10        -2.85  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20141022_10200100346A4C00_1020010035E50B00_2m_lsf_v040201//SETSM_s2s041_WV01_20141022_10200100346A4C00_1020010035E50B00_2m_lsf_seg1_meta.txt 
       -7.03         4.42         1.13  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20150515_1030010042D3E200_103001004127FB00_2m_lsf_v040306//SETSM_s2s041_WV02_20150515_1030010042D3E200_103001004127FB00_2m_lsf_seg1_meta.txt 
       -1.03        -0.10        -0.46  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20150603_104001000D397B00_104001000C764800_2m_lsf_v040306//SETSM_s2s041_WV03_20150603_104001000D397B00_104001000C764800_2m_lsf_seg1_meta.txt 
       -2.59         1.04        -1.11  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20160325_1030010055269200_1030010053915600_2m_lsf_v040306//SETSM_s2s041_WV02_20160325_1030010055269200_1030010053915600_2m_lsf_seg1_meta.txt 
       -1.40        -0.87         0.92  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20160614_104001001E15AB00_104001001D024600_2m_lsf_v040201//SETSM_s2s041_WV03_20160614_104001001E15AB00_104001001D024600_2m_lsf_seg1_meta.txt 
        2.45        -0.32        -1.41  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20170325_102001005F078100_102001005F532700_2m_lsf_v040306//SETSM_s2s041_WV01_20170325_102001005F078100_102001005F532700_2m_lsf_seg1_meta.txt 
        0.91         1.90        -0.96  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180416_10200100729E5100_102001006F359500_2m_lsf_v030302//SETSM_s2s041_WV01_20180416_10200100729E5100_102001006F359500_2m_lsf_seg1_meta.txt 
        1.92        -1.49         0.59  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180718_102001007705A400_10200100792D7100_2m_lsf_v030400//SETSM_s2s041_WV01_20180718_102001007705A400_10200100792D7100_2m_lsf_seg1_meta.txt 
       -2.38        -3.29         1.58  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20190303_1040010047C0BA00_1040010048C52700_2m_lsf_v030403//SETSM_s2s041_WV03_20190303_1040010047C0BA00_1040010048C52700_2m_lsf_seg1_meta.txt 
        3.24        -1.12         0.37  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W1W2_20190808_102001008960A300_1030010097A38000_2m_lsf_v040309//SETSM_s2s041_W1W2_20190808_102001008960A300_1030010097A38000_2m_lsf_seg1_meta.txt 
        2.80         0.12        -0.41  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200303_102001008F124200_1020010093517600_2m_lsf_v040201//SETSM_s2s041_WV01_20200303_102001008F124200_1020010093517600_2m_lsf_seg1_meta.txt 
        1.36        -0.35         0.97  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200320_1020010099236800_10200100912DC800_2m_lsf_v040201//SETSM_s2s041_WV01_20200320_1020010099236800_10200100912DC800_2m_lsf_seg1_meta.txt 
       -2.18         0.99        -0.17  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20220605_104001007641F800_104001007AC03800_2m_lsf_v040311//SETSM_s2s041_WV03_20220605_104001007641F800_104001007AC03800_2m_lsf_seg1_meta.txt