WORLDSAR Documentation

Sentinel-1 Metadata

This page summarizes Sentinel-1 tile metadata from docs/src/metadata_sentinel1.md, organized to help interpret product content, geospatial context, and processing lineage.

Tile Inspected

  • File: ./outputs/tiles/S1A_S3_SLC__1SDV_20151229T152825_20151229T152844_009258_00D5C6_F1C9/123D_472R.h5
  • Format: HDF5
  • Size: 29,536,656 bytes
  • Top-level groups: bands, metadata

Raster Content (/bands)

All bands are float32 with shape 1000 x 1127 and attributes:

  • scaling_factor=1.0
  • scaling_offset=0.0
  • log10_scaled=false

Available bands:

  • Alpha (unit: deg)
  • Anisotropy (unit: anisotropy)
  • Entropy (unit: entropy)
  • elevation (unit: meters)
  • localIncidenceAngle (unit: deg)

Acquisition and Product Metadata (/metadata/Abstracted_Metadata)

  • Mission: SENTINEL-1A
  • Product: S1A_S3_SLC__1SDV_20151229T152825_20151229T152844_009258_00D5C6_F1C9
  • Product type: SLC
  • Acquisition mode: SM
  • Pass: ASCENDING
  • Polarizations: VH, VV
  • Orbit: ABS_ORBIT=9258, REL_ORBIT=86, orbit_cycle=67
  • Orbit file: Sentinel Precise S1A_OPER_AUX_POEORB_OPOD_20210310T024756_V20151228T225943_20151230T005943.EOF.zip
  • DEM: Copernicus 30m Global DEM
  • Terrain-corrected flag: 1
  • CRS / projection metadata: WGS84, WGS 84 / Auto UTM

Tile Geospatial Footprint Summary

  • First line time: 29-DEC-2015 15:28:26.491675
  • Last line time: 29-DEC-2015 15:28:27.794351
  • Center: lat=-11.521651184964222, lon=43.28013085660429
  • first_near: (-10.957552100862944, 43.18172845991906)
  • first_far: (-10.958148918602236, 43.28473670480687)
  • last_near: (-11.04785591676626, 43.18117459028413)
  • last_far: (-11.048457771824673, 43.284214174201594)
  • Pixel spacing: 10.0 m range, 10.0 m azimuth
  • Raster dimensions: num_output_lines=1000, num_samples_per_line=1127

Subset Provenance (/metadata/history/SubsetInfo)

  • Source product: S1A_S3_SLC__1SDV_20151229T152825_20151229T152844_009258_00D5C6_F1C9_TC
  • Subregion origin: x=4436, y=897
  • Subregion size: width=1127, height=1000
  • Subsampling: x=1, y=1
  • Bands in subset: Entropy, Anisotropy, Alpha, elevation, localIncidenceAngle

Processing Lineage (/metadata/Processing_Graph)

Recorded SNAP graph includes:

  • Apply-Orbit-File
  • Calibration
  • Polarimetric-Decomposition
  • Terrain-Correction
  • Subset
  • Write steps between/after operators

Recorded module version in graph nodes: 12.0.0.