├── .gitattributes ├── .gitfat ├── README.md ├── RHOhomogx200.gz ├── Simple2D ├── Properties.txt ├── SmoothM.lfs ├── TrueM.lfs ├── data.lfs ├── data.slim └── vp_marmousi_bi ├── VPhomogx200.gz ├── VShomogx200.gz ├── geomx200.rec.gz ├── geomx200.src.gz ├── marmousi3D ├── Azimuth.raw ├── MarmousiDelta.raw ├── MarmousiEps.raw ├── MarmousiTilt.raw ├── MarmousiVP.raw ├── elastmarm-Observed-Time-shot001.raw.gz ├── elastmarm-Observed-Time-shot001.sgy.gz ├── elastmarm-TrueVp.raw.gz ├── elastmarm-TrueVp.sgy.gz ├── elastmarm-TrueVs.raw.gz ├── elastmarm-TrueVs.sgy.gz ├── source.asc.gz └── source.bin.gz ├── seg_y_rev1.pdf ├── xrick5.sep.gz ├── yrick5.sep.gz └── zrick5.sep.gz /.gitattributes: -------------------------------------------------------------------------------- 1 | *.lfs filter=fat -crlf 2 | -------------------------------------------------------------------------------- /.gitfat: -------------------------------------------------------------------------------- 1 | [rsync] 2 | remote = amcg.ese.ic.ac.uk:~ggorman/opesci-data/Simple2D/ 3 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # data 2 | Maintain data used for tests and examples 3 | 4 | ## marmousi3D 5 | 6 | Data from marmousi3D: 7 | 8 | ###1. Models 9 | - *elastmarm-TrueVp.raw.gz* : Vp model in raw binary format 10 | - *elastmarm-TrueVs.raw.gz* : Vs model in raw binary format 11 | - *elastmarm-TrueVp.sgy.gz* : Vp model in segy format 12 | - *elastmarm-TrueVs.sgy.gz* : Vs model in segy format 13 | 14 | The model size is 201x201x60 in nodes, and the spacing is 24 m. 15 | 16 | ###2. Data 17 | + *elastmarm-Observed-Time-shot001.raw.gz* : data in raw format 18 | + *elastmarm-Observed-Time-shot001.sgy.gz* : data in sgy format 19 | + *source.bin* : source signature in raw binary format 20 | 21 | The data contains one point shot fired at the location: 22 | x=2, y=3, z=1 (in gridpoint units) and recorded in a 10000 receiver array covering 23 | all the surface. Receivers are placed every second gridpoint in both directions. 24 | The number of samples per trace is 2000 and the total simulated time is 5 seconds, 25 | ie the sampling interval is 0.0025 seconds. 26 | 27 | #####segy format 28 | The document seg_y_rev1.pdf containst the sgy format specifications. 29 | -------------------------------------------------------------------------------- /RHOhomogx200.gz: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/devitocodes/data/bbb6bc99ccf91b0f6451bd4b7f46353382edf4d0/RHOhomogx200.gz -------------------------------------------------------------------------------- /Simple2D/Properties.txt: -------------------------------------------------------------------------------- 1 | All file have been saved in double precison 2 | 3 | Model dimensions : 4 | 5 | 6 | 256 x 1100 (nz x nx) z is first dimension 7 | grid size 5m in both direcions 8 | 9 | Data 10 | 11 | nt : number of time samples 12 | nrec : number of receivers per source 13 | nsrc : number of source 14 | 15 | 501 x 441 x 111 (nt x nrec x nsrc) 16 | 17 | a single source experiment (one shot) is data[:,:,i] for i in 1:28 18 | 19 | source position are 0:200:5500 (in m) 20 | receiver positions are 0:12.5:550 (in m) 21 | time axis is 0:4:2000 (in ms) -------------------------------------------------------------------------------- /Simple2D/SmoothM.lfs: -------------------------------------------------------------------------------- 1 | version https://git-lfs.github.com/spec/v1 2 | oid sha256:fd38a98c6fdb8d9f875ba3ad9579aa2fa101e0cd62ecc43db861c9a4e7e3e043 3 | size 2252800 4 | -------------------------------------------------------------------------------- /Simple2D/TrueM.lfs: -------------------------------------------------------------------------------- 1 | version https://git-lfs.github.com/spec/v1 2 | oid sha256:5b4aaa2999215ebc58577acd9f76a75cf6614288a20b39366fd6a90d28ebb3c7 3 | size 2252800 4 | -------------------------------------------------------------------------------- /Simple2D/data.lfs: -------------------------------------------------------------------------------- 1 | version https://git-lfs.github.com/spec/v1 2 | oid sha256:a95ca7a03a6e7d295b1726539e27533d235b20ec99a948b3a2c205a76a825132 3 | size 49490784 4 | -------------------------------------------------------------------------------- /Simple2D/data.slim: -------------------------------------------------------------------------------- 1 | model = {filename:"SmoothM.lfs", 2 | dimensions:(256, 1100), 3 | spacing:(5, 5), 4 | origin:(0, 0), 5 | dtype:"double", 6 | units:"s**2/km**2"} 7 | shots = {filename:"data.lfs", 8 | number_shots:28, 9 | number_receivers:441, 10 | number_samples:501, 11 | sampling_time:4, 12 | source_positions:arange(0., 5500.+1, 200), 13 | source_positions:arange(0., 550.+1, 12.5), 14 | dtype:"double", 15 | units:"s**-3"} 16 | 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