""" *** Generate SLC parameter and image files for SWOT level 1B KaRIn SLC data *** *** Copyright 2024, Gamma Remote Sensing, v1.2 30-Oct-2024 cm *** OPENMP: number of physical processors: 12 OPENMP: default max. number of threads (program specific): 8 OPENMP: current max. number of available threads: 12 OPENMP: number of program threads: 8 swath side: R cycle number: 36 tile name: 001_237R transmit antenna: minus_y polarization: V nominal slant-range spacing: 0.749481 slc range resolution: 0.749481 slc along track resolution: 4.804711 wavelength: 0.008386 near range: 896963.319151 slc first line index in tvp: 332 slc last line index in tvp: 23225 ellipsoid semi-major axis: 6378137.000000 ellipsoid flattening: 0.003353 kmsf_to_dop_roll: 0.007578 kmsf_to_dop_pitch: 0.014095 kmsf_to_dop_yaw: 0.059821 num lines: 22894 num pixels: 5270 grdem num lines: 1472 grdem num pixels: 2000 grdem cross track spacing: 50.000000 grdem min cross track: 0.000000 reading grdem data... done median terrain height (relative to ellipsoid): 2117.450195 mean pitch correction: 0.000000 num tvps: 23562 start date and time: 2025-07-20T12:31:00.575461 resampling grdem... done range Doppler polynomial estimation: polynomial fit coefficients: a0: -3.0534e+03 a1: -4.1911e-03 a2: 1.4951e-06 a3: -4.3494e-10 azimuth Doppler polynomial estimation: polynomial fit coefficients: a0: -3.0521e+03 a1: -5.1078e-01 a2: 0.0000e+00 a3: 0.0000e+00 SAR position at center time x,y,z (m): 4908555.981 881350.584 5285333.886 scene center latitude (deg.): 46.72925490 longitude (deg.): 10.70877829 scene center earth radius (m): 6368961.807 incidence angle at scene center (deg.): 3.114228 earth radius below sensor (m): 7266736.198 platform heading (deg.): 15.505152 north swath velocity (m/s): 6213.9987 east swath velocity (m/s): 1515.7386 along track swath velocity (m/s): 6396.18976 SLC azimuth pixel spacing (m): 3.10089220 reading SLC data... done reading radiometric calibration data... done reading noise calibration data... done SLC file: SWOT_L1B_HR_SLC_036_001_237R_output_v0/20250720_R_plus_y.slc SLC parameter file: SWOT_L1B_HR_SLC_036_001_237R_output_v0/20250720_R_plus_y.slc.par SLC width: 5270 lines: 22894 SAR position at center time x,y,z (m): 4908555.770 881340.712 5285335.716 scene center latitude (deg.): 46.72927643 longitude (deg.): 10.70866787 scene center earth radius (m): 6368961.799 incidence angle at scene center (deg.): 3.114230 earth radius below sensor (m): 7266736.188 platform heading (deg.): 15.505071 north swath velocity (m/s): 6214.0017 east swath velocity (m/s): 1515.7304 along track swath velocity (m/s): 6396.19073 SLC azimuth pixel spacing (m): 3.10089267 reading SLC data... done reading radiometric calibration data... done reading noise calibration data... done SLC file: SWOT_L1B_HR_SLC_036_001_237R_output_v0/20250720_R_minus_y.slc SLC parameter file: SWOT_L1B_HR_SLC_036_001_237R_output_v0/20250720_R_minus_y.slc.par SLC width: 5270 lines: 22894 DEM file: SWOT_L1B_HR_SLC_036_001_237R_output_v0/20250720.sch.dem DEM parameter file: SWOT_L1B_HR_SLC_036_001_237R_output_v0/20250720.sch.dem_par DEM width: 2000 lines: 1472 user time (s): 22.370 system time (s): 4.290 elapsed time (s): 21.960 [par_SWOT_SLC] wrote SLC legs + SCH DEM *** Calculate state vectors using orbit propagation and interpolation *** *** Copyright 2022, Gamma Remote Sensing, v2.0 1-Feb-2022 clw/awi/cm *** ISP image parameter file: SWOT_L1B_HR_SLC_036_001_237R_output_v0/20250720_R_minus_y.slc.par ISP image title: SWOT L1B_HR_SLC 036_001_237R TX: minus_y RX: minus_y starting date of the image data: year: 2025 month: 07 day: 20 julian day: 2460877 starting time (UTC) of image data (seconds of day): 45060.5755 starting time for input state vectors (s): 45060.5000 interval between input state vectors (s): 0.1000 number of input state vectors: 114 extra time at start and end of output state vectors (s): 150.0000 interval between output state vectors (s): 0.5000 starting time for first output state vector (s): 44910.5755 number of output state vectors: 624 time of last output state vector: 45222.0755 MODE: interp. between existing state vectors; propagate outside user time (s): 0.090 system time (s): 0.000 elapsed time (s): 0.090 *** Calculate state vectors using orbit propagation and interpolation *** *** Copyright 2022, Gamma Remote Sensing, v2.0 1-Feb-2022 clw/awi/cm *** ISP image parameter file: SWOT_L1B_HR_SLC_036_001_237R_output_v0/20250720_R_plus_y.slc.par ISP image title: SWOT L1B_HR_SLC 036_001_237R TX: minus_y RX: plus_y starting date of the image data: year: 2025 month: 07 day: 20 julian day: 2460877 starting time (UTC) of image data (seconds of day): 45060.5755 starting time for input state vectors (s): 45060.5000 interval between input state vectors (s): 0.1000 number of input state vectors: 114 extra time at start and end of output state vectors (s): 150.0000 interval between output state vectors (s): 0.5000 starting time for first output state vector (s): 44910.5755 number of output state vectors: 624 time of last output state vector: 45222.0755 MODE: interp. between existing state vectors; propagate outside user time (s): 0.090 system time (s): 0.000 elapsed time (s): 0.100 [ORB_prop_SLC] interval=0.5s extra=150s mode=2 ERROR p_interp(): time outside of range: 45312.07576 min: 44820.57546 max: 45312.07546 *** Change geometry from Doppler centroid to zero-Doppler (deskew) or vice-versa *** *** Copyright 2024, Gamma Remote Sensing, v1.6 17-Oct-2024 cm/clw/uw *** OPENMP: number of physical processors: 12 OPENMP: default max. number of threads (program specific): 8 OPENMP: current max. number of available threads: 12 OPENMP: number of program threads: 8 changing geometry from Doppler centroid to zero-Doppler (deskew) interpolation method: Lanczos, order 5, steps: 16000 data are deramped before interpolation and reramped afterwards phase related to range shift is corrected ERROR p_interp(): time outside of range: 45312.07576 min: 44820.57546 max: 45312.07546 *** Change geometry from Doppler centroid to zero-Doppler (deskew) or vice-versa *** *** Copyright 2024, Gamma Remote Sensing, v1.6 17-Oct-2024 cm/clw/uw *** OPENMP: number of physical processors: 12 OPENMP: default max. number of threads (program specific): 8 OPENMP: current max. number of available threads: 12 OPENMP: number of program threads: 8 changing geometry from Doppler centroid to zero-Doppler (deskew) interpolation method: Lanczos, order 5, steps: 16000 data are deramped before interpolation and reramped afterwards phase related to range shift is corrected [SLC_deskew] order=5 Lanczos, deramp=1, ph_corr=1 """