# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -0.75         2.26        -3.36  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20130411_10200100203AB200_102001001F39B600_2m_lsf_seg1_meta.txt 
       -2.31         0.74         0.25  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20130519_1020010023A8F000_1020010021174C00_2m_lsf_seg1_meta.txt 
        1.00         0.62         0.51  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20130923_1020010025C14E00_1020010025C6FD00_2m_lsf_seg1_meta.txt 
        1.20        -2.45         2.57  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20140315_103001002F585A00_103001002D569100_2m_lsf_seg1_meta.txt 
       -2.35        -4.00         2.10  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20140324_103001002E142A00_103001002E6B8000_2m_lsf_seg1_meta.txt 
        1.58         1.48         1.03  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20150419_104001000A297D00_104001000A082F00_2m_lsf_seg1_meta.txt 
        1.56        -0.25         1.63  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20150607_102001003FD38A00_102001003F16CA00_2m_lsf_seg1_meta.txt 
       -0.87         1.94        -1.07  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20160624_1020010050EB5200_1020010051363F00_2m_lsf_seg1_meta.txt 
       -0.45        -0.50        -1.53  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20160702_104001001F628700_104001001E518500_2m_lsf_seg1_meta.txt 
       -1.14         2.08        -4.84  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20170701_10200100620DFB00_1020010065EAB700_2m_lsf_seg1_meta.txt 
        1.23         1.90         1.10  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//W2W3_20171101_103001007259F300_10400100347EC100_2m_lsf_seg1_meta.txt 
        1.06        -1.87        -0.01  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV03_20190705_104001004D3B9200_104001004EB6FA00_2m_lsf_seg1_meta.txt 
        0.25        -1.95         1.63  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20200524_10300100A620CA00_10300100A83A9700_2m_lsf_seg1_meta.txt