# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.25        -3.82        -0.57  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20131229_102001002A0AE000_1020010027B31100_2m_lsf_v040306//SETSM_s2s041_WV01_20131229_102001002A0AE000_1020010027B31100_2m_lsf_seg1_meta.txt 
       -1.36        -0.75        -0.16  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20160910_1020010053724300_10200100530F1500_2m_lsf_v040201//SETSM_s2s041_WV01_20160910_1020010053724300_10200100530F1500_2m_lsf_seg1_meta.txt 
        4.62        -2.15        -1.40  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20170325_1020010061A9B600_102001005F1DAB00_2m_lsf_v040306//SETSM_s2s041_WV01_20170325_1020010061A9B600_102001005F1DAB00_2m_lsf_seg1_meta.txt 
       -1.50        -1.10        -1.55  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180301_102001006E6B3B00_1020010070BC9400_2m_lsf_v030302//SETSM_s2s041_WV01_20180301_102001006E6B3B00_1020010070BC9400_2m_lsf_seg1_meta.txt 
        8.81        -0.04         0.53  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180321_102001006C50E700_102001006FA2C000_2m_lsf_v030302//SETSM_s2s041_WV01_20180321_102001006C50E700_102001006FA2C000_2m_lsf_seg3_meta.txt 
        1.92        -2.18        -1.20  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20181017_102001007BC1A900_102001007D60A700_2m_lsf_v040309//SETSM_s2s041_WV01_20181017_102001007BC1A900_102001007D60A700_2m_lsf_seg1_meta.txt 
       -1.11        -2.22         0.11  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20181028_103001008701F400_10300100865BDD00_2m_lsf_v030403//SETSM_s2s041_WV02_20181028_103001008701F400_10300100865BDD00_2m_lsf_seg1_meta.txt 
       -3.79         7.19         2.53  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20181031_103001008982D600_103001008629BD00_2m_lsf_v040101//SETSM_s2s041_WV02_20181031_103001008982D600_103001008629BD00_2m_lsf_seg2_meta.txt 
        0.05         1.92        -0.59  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190311_10200100846DB900_102001008185F500_2m_lsf_v030403//SETSM_s2s041_WV01_20190311_10200100846DB900_102001008185F500_2m_lsf_seg1_meta.txt 
        1.18         8.86        10.34  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20190425_1030010091633900_10300100906BB900_2m_lsf_v040002//SETSM_s2s041_WV02_20190425_1030010091633900_10300100906BB900_2m_lsf_seg1_meta.txt 
        0.54         2.79        -2.34  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20190428_10300100914C6100_103001008F6A0E00_2m_lsf_v040002//SETSM_s2s041_WV02_20190428_10300100914C6100_103001008F6A0E00_2m_lsf_seg1_meta.txt 
       -2.96        -2.08         0.95  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200530_1020010096140700_1020010097C29900_2m_lsf_v040204//SETSM_s2s041_WV01_20200530_1020010096140700_1020010097C29900_2m_lsf_seg1_meta.txt 
       -1.15        -1.64         0.92  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200612_102001009918B800_102001009CE58D00_2m_lsf_v040204//SETSM_s2s041_WV01_20200612_102001009918B800_102001009CE58D00_2m_lsf_seg1_meta.txt 
        0.00         0.00        -1.66  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20200614_10300100A8A79C00_10300100A7A20D00_2m_lsf_v040204//SETSM_s2s041_WV02_20200614_10300100A8A79C00_10300100A7A20D00_2m_lsf_seg1_meta.txt 
       -1.78        -2.62        -5.04  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20200709_10300100AA6C0400_10300100ABC8D200_2m_lsf_v040307//SETSM_s2s041_WV02_20200709_10300100AA6C0400_10300100ABC8D200_2m_lsf_seg3_meta.txt 
       -3.71        -2.15        -0.86  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200721_102001009912F000_102001009D589300_2m_lsf_v040300//SETSM_s2s041_WV01_20200721_102001009912F000_102001009D589300_2m_lsf_seg1_meta.txt