# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        1.19         0.14        -3.91  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_11_canada_north_hudson/strips_v4.1/2m/WV01_20150224_102001003C472A00_1020010039DFBD00_2m_lsf_v040306//SETSM_s2s041_WV01_20150224_102001003C472A00_1020010039DFBD00_2m_lsf_seg1_meta.txt 
       -0.79        -0.93         1.90  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_11_canada_north_hudson/strips_v4.1/2m/WV03_20170121_10400100275BAB00_10400100284D4400_2m_lsf_v040306//SETSM_s2s041_WV03_20170121_10400100275BAB00_10400100284D4400_2m_lsf_seg1_meta.txt 
       -0.40         0.79         2.02  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_11_canada_north_hudson/strips_v4.1/2m/WV02_20200325_10300100A405D000_10300100A53F3200_2m_lsf_v040201//SETSM_s2s041_WV02_20200325_10300100A405D000_10300100A53F3200_2m_lsf_seg1_meta.txt