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README.md

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Maintain data used for tests and examples

marmousi3D

Data from marmousi3D:

###1. Models

  • elastmarm-TrueVp.raw.gz : Vp model in raw binary format
  • elastmarm-TrueVs.raw.gz : Vs model in raw binary format
  • elastmarm-TrueVp.sgy.gz : Vp model in segy format
  • elastmarm-TrueVs.sgy.gz : Vs model in segy format

The model size is 201x201x60 in nodes, and the spacing is 24 m.

###2. Data

  • elastmarm-Observed-Time-shot001.raw.gz : data in raw format
  • elastmarm-Observed-Time-shot001.sgy.gz : data in sgy format
  • source.bin : source signature in raw binary format

The data contains one point shot fired at the location: x=2, y=3, z=1 (in gridpoint units) and recorded in a 10000 receiver array covering all the surface. Receivers are placed every second gridpoint in both directions. The number of samples per trace is 2000 and the total simulated time is 5 seconds, ie the sampling interval is 0.0025 seconds.

#####segy format The document seg_y_rev1.pdf containst the sgy format specifications.