# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -0.24        -2.76        -0.98  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20110916_102001001582DE00_10200100166F6400_2m_lsf_seg1_meta.txt 
        1.14        -4.08        -1.47  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20120415_102001001B8A5100_10200100182E1200_2m_lsf_seg1_meta.txt 
       -2.89        -0.01        -2.98  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20120526_1030010019931E00_103001001830F700_2m_lsf_seg1_meta.txt 
        0.74         3.53        -4.80  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20141105_103001003B09D300_10300100399D3D00_2m_lsf_seg1_meta.txt 
       -2.45         0.61         0.51  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20141106_1030010039772400_103001003917F400_2m_lsf_seg1_meta.txt 
        0.87         0.81        -1.22  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20150623_102001003E044500_1020010041E41A00_2m_lsf_seg1_meta.txt 
        0.80        -6.18        -0.70  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20150919_102001004315F400_1020010043418600_2m_lsf_seg2_meta.txt 
        0.46        -0.26         1.58  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20160818_1020010052240000_1020010056A30A00_2m_lsf_seg1_meta.txt 
        4.63         4.93         1.85  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20161018_103001005F812E00_103001005EA3B200_2m_lsf_seg3_meta.txt 
        3.58        -0.37         2.51  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20180228_1020010070335D00_1020010072192B00_2m_lsf_seg3_meta.txt 
        0.00         0.00         1.05  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20181102_1030010086719B00_1030010087B00600_2m_lsf_seg4_meta.txt 
       -3.39         0.96         0.78  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV02_20181102_1030010086719B00_1030010087B00600_2m_lsf_seg2_meta.txt 
       -0.79         0.11         3.41  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20190717_102001008CA31F00_102001008A491100_2m_lsf_seg1_meta.txt 
        1.78         2.40         1.89  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20190729_10200100861D4E00_1020010088185F00_2m_lsf_seg1_meta.txt 
       -4.24         0.30        -1.41  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_34_alaska_north//WV01_20200501_1020010099C5A100_1020010096BB4A00_2m_lsf_seg2_meta.txt