# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -5.70        -2.18         3.29  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20131204_103001002A082B00_103001002A853900_2m_lsf_v040306//SETSM_s2s041_WV02_20131204_103001002A082B00_103001002A853900_2m_lsf_seg1_meta.txt 
        1.62         1.79        -3.13  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20160603_1030010056C4E400_1030010055239F00_2m_lsf_v040306//SETSM_s2s041_WV02_20160603_1030010056C4E400_1030010055239F00_2m_lsf_seg1_meta.txt 
        2.82        -1.34        -0.53  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180330_1020010073A13100_1020010071C22800_2m_lsf_v030403//SETSM_s2s041_WV01_20180330_1020010073A13100_1020010071C22800_2m_lsf_seg1_meta.txt 
        1.25         1.73         0.37  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180416_1020010070D04100_102001006EE3E600_2m_lsf_v030302//SETSM_s2s041_WV01_20180416_1020010070D04100_102001006EE3E600_2m_lsf_seg1_meta.txt