# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        1.58        -2.92        -3.25  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W1W1_20120321_10200100181EB300_102001001B884800_2m_lsf_v040310//SETSM_s2s041_W1W1_20120321_10200100181EB300_102001001B884800_2m_lsf_seg1_meta.txt 
        1.37        -3.56        -1.60  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20120425_1020010019579000_102001001A635900_2m_lsf_v040306//SETSM_s2s041_WV01_20120425_1020010019579000_102001001A635900_2m_lsf_seg1_meta.txt 
       -2.79         2.46         0.37  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20160520_102001004F093D00_102001004FE44B00_2m_lsf_v040306//SETSM_s2s041_WV01_20160520_102001004F093D00_102001004FE44B00_2m_lsf_seg1_meta.txt 
       -1.76         0.60        -2.61  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20160524_102001004EA1AF00_102001004FE27300_2m_lsf_v040306//SETSM_s2s041_WV01_20160524_102001004EA1AF00_102001004FE27300_2m_lsf_seg1_meta.txt 
        1.71        -0.15         4.35  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20170429_1030010068863A00_1030010067D4C200_2m_lsf_v040306//SETSM_s2s041_WV02_20170429_1030010068863A00_1030010067D4C200_2m_lsf_seg1_meta.txt 
       -4.03         1.54         2.05  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20180514_103001007D0BAC00_103001007E482E00_2m_lsf_v030403//SETSM_s2s041_WV02_20180514_103001007D0BAC00_103001007E482E00_2m_lsf_seg1_meta.txt 
       -0.77         0.44        -0.01  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20200215_10400100582B1E00_10400100571B6E00_2m_lsf_v040201//SETSM_s2s041_WV03_20200215_10400100582B1E00_10400100571B6E00_2m_lsf_seg1_meta.txt 
        3.93         1.61         1.00  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200226_1020010096671300_102001008FBCAF00_2m_lsf_v040201//SETSM_s2s041_WV01_20200226_1020010096671300_102001008FBCAF00_2m_lsf_seg1_meta.txt 
        0.75        -0.03        -0.31  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20210718_10200100B3DED300_10200100B4EAD900_2m_lsf_v040309//SETSM_s2s041_WV01_20210718_10200100B3DED300_10200100B4EAD900_2m_lsf_seg1_meta.txt