Package: xarray-safe-s1
xarray-safe-s1Xarray Sentinel1 python SAFE files readerInstallCondaInstall xarray-safe-s1conda create -n safe_s1
conda activate safe_s1
conda install -c conda-forge xarray-safe-s1PypiInstall xarray-safe-s1conda create -n safe_s1
conda activate safe_s1
pip install xarray-safe-s1>>>fromsafe_s1importSentinel1Reader,sentinel1_xml_mappings>>>filename=sentinel1_xml_mappings.get_test_file('S1A_IW_GRDH_1SDV_20170907T103020_20170907T103045_018268_01EB76_Z010.SAFE')>>>Sentinel1Reader(filename).datatreeDataTree('None', parent=None)├── DataTree('geolocationGrid')│       Dimensions:         (line: 10, sample: 21)│       Coordinates:│         * line            (line) int64 0 2014 4028 6042 ... 12084 14098 16112 16777│         * sample          (sample) int64 0 1260 2520 3780 ... 21420 22680 23940 25186│       Data variables:│           longitude       (line, sample) float64 -67.84 -67.96 -68.08 ... -70.4 -70.51│           latitude        (line, sample) float64 20.73 20.75 20.77 ... 19.62 19.64│           height          (line, sample) float64 8.405e-05 8.058e-05 ... 3.478e-05│           azimuthTime     (line, sample) datetime64[ns] 2017-09-07T10:30:20.936147 ...│           slantRangeTime  (line, sample) float64 0.005331 0.005375 ... 0.006382│           incidenceAngle  (line, sample) float64 30.82 31.7 32.57 ... 44.71 45.36 46.0│           elevationAngle  (line, sample) float64 27.5 28.27 29.02 ... 39.89 40.41│       Attributes:│           history:  longitude:\n  annotation/s1a.xml:\n  - /product/geolocationGrid...├── DataTree('orbit')│       Dimensions:     (time: 17)│       Coordinates:│         * time        (time) datetime64[ns] 2017-09-07T10:29:14.474905 ... 2017-09-...│       Data variables:│           velocity_x  (time) float64 -116.7 -154.1 -191.4 ... -628.1 -663.4 -698.6│           velocity_y  (time) float64 -3.433e+03 -3.368e+03 ... -2.413e+03 -2.342e+03│           velocity_z  (time) float64 -6.776e+03 -6.808e+03 ... -7.174e+03 -7.194e+03│           position_x  (time) float64 2.892e+06 2.89e+06 ... 2.833e+06 2.826e+06│           position_y  (time) float64 -5.782e+06 -5.816e+06 ... -6.222e+06 -6.246e+06│           position_z  (time) float64 2.869e+06 2.801e+06 ... 1.82e+06 1.748e+06│       Attributes:│           orbit_pass:        Descending│           platform_heading:  -167.7668824808032│           frame:             Earth Fixed│           history:           orbit:\n  annotation/s1a.xml:\n  - //product/generalAn...├── DataTree('image')│       Dimensions:                  (dim_0: 2)│       Dimensions without coordinates: dim_0│       Data variables: (12/14)│           LineUtcTime              (dim_0) datetime64[ns] 2017-09-07T10:30:20.93640...│           numberOfLines            int64 16778│           numberOfSamples          int64 25187│           azimuthPixelSpacing      float64 10.0│           slantRangePixelSpacing   float64 10.0│           groundRangePixelSpacing  float64 10.0│           ...                       ...│           slantRangeTime           float64 0.005331│           swath_subswath           <U2 'IW'│           radarFrequency           float64 5.405e+09│           rangeSamplingRate        float64 6.435e+07│           azimuthSteeringRate      float64 1.59│           history                  <U824 'image:\n  annotation/s1a.xml:\n  - /produ...├── DataTree('azimuth_fmrate')│       Dimensions:                  (azimuthTime: 11)│       Coordinates:│         * azimuthTime              (azimuthTime) datetime64[ns] 2017-09-07T10:30:18...│       Data variables:│           t0                       (azimuthTime) float64 0.005331 ... 0.005331│           azimuthFmRatePolynomial  (azimuthTime) object -2337.303489601216 + 448953...│       Attributes:│           history:  azimuth_fmrate:\n  annotation/s1a.xml:\n  - //product/generalAn...├── DataTree('doppler_estimate')│       Dimensions:                       (azimuthTime: 27, nb_fine_dce: 20)│       Coordinates:│         * azimuthTime                   (azimuthTime) datetime64[ns] 2017-09-07T10:...│         * nb_fine_dce                   (nb_fine_dce) int64 0 1 2 3 4 ... 16 17 18 19│       Data variables:│           t0                            (azimuthTime) float64 0.005332 ... 0.005331│           geometryDcPolynomial          (azimuthTime) object -1.070619 - 183.4602·x...│           dataDcPolynomial              (azimuthTime) object -74.90705 + 85274.16·x...│           fineDceAzimuthStartTime       (azimuthTime) datetime64[ns] 2017-09-07T10:...│           fineDceAzimuthStopTime        (azimuthTime) datetime64[ns] 2017-09-07T10:...│           dataDcRmsError                (azimuthTime) float64 6.181 6.181 ... 7.745│           slantRangeTime                (azimuthTime, nb_fine_dce) float64 0.006021...│           frequency                     (azimuthTime, nb_fine_dce) float64 -28.36 ....│           dataDcRmsErrorAboveThreshold  (azimuthTime) bool False False ... False False│       Attributes:│           history:  doppler_estimate:\n  annotation/s1a.xml:\n  - /product/dopplerC...├── DataTree('bursts')│       Dimensions:          (burst: 0)│       Dimensions without coordinates: burst│       Data variables:│           azimuthTime      (burst) float64│           linesPerBurst    int64 0│           samplesPerBurst  int64 0│       Attributes:│           history:  bursts_grd:\n  annotation/s1a.xml:\n  - /product/swathTiming/li...├── DataTree('calibration_luts')│       Dimensions:     (line: 27, sample: 631, pol: 2)│       Coordinates:│         * line        (line) int64 0 671 1342 2013 2684 ... 15436 16107 16778 17449│         * sample      (sample) int64 0 40 80 120 160 ... 25040 25080 25120 25160 25186│         * pol         (pol) object 'VV' 'VH'│       Data variables:│           sigma0_lut  (pol, line, sample) float64 662.0 661.7 661.5 ... 558.9 558.8│           gamma0_lut  (pol, line, sample) float64 613.4 613.1 612.7 ... 465.8 465.7├── DataTree('noise_azimuth_raw')│       Dimensions:       (swath: 0, pol: 2)│       Coordinates:│         * swath         (swath) float64│         * pol           (pol) object 'VV' 'VH'│       Data variables:│           line_start    (pol, swath) int64│           line_stop     (pol, swath) int64│           sample_start  (pol, swath) int64│           sample_stop   (pol, swath) int64│       Attributes:│           history:  noise_lut_azi_raw_grd:\n  annotation/calibration/noise.xml:\n  ...└── DataTree('noise_range_raw')Dimensions:    (line: 27, sample: 634, pol: 2)Coordinates:* line       (line) int64 0 671 1342 2013 2684 ... 15433 16104 16775 16777* sample     (sample) int64 0 40 80 120 160 ... 25028 25068 25108 25148 25186* pol        (pol) object 'VV' 'VH'Data variables:noise_lut  (pol, line, sample) float64 1.641e+03 1.62e+03 ... 0.0 0.0