# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -3.91         0.17        -7.30  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W1W1_20100804_102001000D5CD600_102001000F198200_2m_lsf_v040002//SETSM_s2s041_W1W1_20100804_102001000D5CD600_102001000F198200_2m_lsf_seg1_meta.txt 
        1.05        -2.40         3.39  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20160221_102001004A826800_1020010047BBA300_2m_lsf_v040306//SETSM_s2s041_WV01_20160221_102001004A826800_1020010047BBA300_2m_lsf_seg1_meta.txt 
        2.86         2.23         3.91  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180403_102001006F783700_1020010075561900_2m_lsf_v030403//SETSM_s2s041_WV01_20180403_102001006F783700_1020010075561900_2m_lsf_seg1_meta.txt