Download records/spec.json from SubstrateCommons/imperial-rocks: direct link, hf CLI and curl.
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8.94 kB
| { | |
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| "inputs_sha256": "ccfdc375f545b5cd474604c120313f44312de1d2b45b5f9629ed5ad6193dfeea", | |
| "previous_sha256": "c097bcd6144e2d212875ad532a5cbefce0fad313c3f276768a92237a69159583", | |
| "stage": "spec", | |
| "substrates": { | |
| "F42A": { | |
| "cites": [ | |
| "F42A.nhdr" | |
| ], | |
| "cites_files": true, | |
| "cites_sha256": [ | |
| "8e9d3fd1de579c9a98166d7eab343841074e4510554b0b1c5ee5e7b58e4469ed" | |
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| "pack_id": "imperial-rocks/f42a", | |
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| 300 | |
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| 9.996e-06, | |
| 9.996e-06, | |
| 9.996e-06 | |
| ] | |
| }, | |
| "round_trips": true, | |
| "spec": { | |
| "description": "F42A: the central 300^3 crop of the released micro-CT image; the pore fluid walks between the voxel faces of the grain. Relaxation is not in the walk -- rho and T2 are replay knobs, and the nominal values are Talabi 2008's (fitted by him to the F42Y CPMG (thesis \u00a77.6.2)).", | |
| "domain": { | |
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| "id": "imperial2007/f42a", | |
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| "pools": [ | |
| { | |
| "D": 2.07e-09, | |
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| "name": "grain", | |
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| "water_fraction": 0.0 | |
| } | |
| ], | |
| "provenance": { | |
| "created": "2026-09-26", | |
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| "path": "F42A.nhdr", | |
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| "software": { | |
| "name": "dmipy-sim", | |
| "version": "2.1.0" | |
| }, | |
| "source": "Imperial College 2007 micro-CT collection (Dong & Blunt 2009), CC BY 4.0", | |
| "transformations": [ | |
| "labels -> pools {0: 'free', 1: 'grain'}; the 'free' pool holds the water, the others water_fraction 0", | |
| "the wall is every voxel face between two pools (the Manhattan surface of the segmentation): measured S/V of the 'free' pool 44431.6 1/m at porosity 0.33062", | |
| "the crop's own outer faces are not a wall: they are the domain's reflect x, reflect y, reflect z", | |
| "crop [75, 75, 75, 375, 375, 375] of the released image, half-open, in voxels" | |
| ] | |
| }, | |
| "realisation": { | |
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| 300 | |
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| "surface_to_volume": 44431.61992411219, | |
| "voxel_size_m": [ | |
| 9.996e-06, | |
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| 9.996e-06 | |
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| }, | |
| "request": null, | |
| "seeding": { | |
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| 0 | |
| ], | |
| "positions": null, | |
| "rule": "uniform_by_volume", | |
| "weights": "water_fraction" | |
| }, | |
| "substrate_spec_version": "0.1", | |
| "validity": { | |
| "mesh_edge_feature_ratio": null, | |
| "min_gap": null, | |
| "smallest_feature": 9.996e-06, | |
| "thinnest_shell": null, | |
| "tiers": [ | |
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| "relaxation", | |
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| }, | |
| "walls": [ | |
| { | |
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| "mt_reactivity": { | |
| "inside": 0.0, | |
| "outside": 0.0 | |
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| "name": "grain|free", | |
| "outside_pool": 0, | |
| "permeability": { | |
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| "file": "F42A.nhdr", | |
| "format": "nrrd", | |
| "kind": "label_volume", | |
| "labels": { | |
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| "1": "grain" | |
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| "sha256": "8e9d3fd1de579c9a98166d7eab343841074e4510554b0b1c5ee5e7b58e4469ed", | |
| "voxel_size": [ | |
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| }, | |
| "surface_relaxivity": { | |
| "inside": 4.1e-05, | |
| "outside": 4.1e-05 | |
| } | |
| } | |
| ] | |
| }, | |
| "spec_sha256": "3b2aa2b47fad773cdb413dacc5469542b8d9800c6b2cb7cb946d7eaeddba8413" | |
| }, | |
| "LV60A": { | |
| "cites": [ | |
| "LV60A.nhdr" | |
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| "cites_files": true, | |
| "cites_sha256": [ | |
| "974e6b1ea2308a54d0aba53a2b2fb2b5b47f718f7093c17c3e583a14d378bdd5" | |
| ], | |
| "pack_id": "imperial-rocks/lv60a", | |
| "realisation": { | |
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| 300 | |
| ], | |
| "surface_to_volume": 59821.238561408434, | |
| "voxel_size_m": [ | |
| 1.0002e-05, | |
| 1.0002e-05, | |
| 1.0002e-05 | |
| ] | |
| }, | |
| "round_trips": true, | |
| "spec": { | |
| "description": "LV60A: the central 300^3 crop of the released micro-CT image; the pore fluid walks between the voxel faces of the grain. Relaxation is not in the walk -- rho and T2 are replay knobs, and the nominal values are Talabi 2008's (fitted by him to the LV60Y CPMG (thesis \u00a77.6.2)).", | |
| "domain": { | |
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| "surface_relaxivity": 0.0 | |
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| "id": "imperial2007/lv60a", | |
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| "pools": [ | |
| { | |
| "D": 2.07e-09, | |
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| "name": "grain", | |
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| "water_fraction": 0.0 | |
| } | |
| ], | |
| "provenance": { | |
| "created": "2026-09-26", | |
| "files": [ | |
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| "path": "LV60A.nhdr", | |
| "sha256": "974e6b1ea2308a54d0aba53a2b2fb2b5b47f718f7093c17c3e583a14d378bdd5" | |
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| ], | |
| "software": { | |
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| "version": "2.1.0" | |
| }, | |
| "source": "Imperial College 2007 micro-CT collection (Dong & Blunt 2009), CC BY 4.0", | |
| "transformations": [ | |
| "labels -> pools {0: 'free', 1: 'grain'}; the 'free' pool holds the water, the others water_fraction 0", | |
| "the wall is every voxel face between two pools (the Manhattan surface of the segmentation): measured S/V of the 'free' pool 59821.2 1/m at porosity 0.368836", | |
| "the crop's own outer faces are not a wall: they are the domain's reflect x, reflect y, reflect z", | |
| "crop [75, 75, 75, 375, 375, 375] of the released image, half-open, in voxels" | |
| ] | |
| }, | |
| "realisation": { | |
| "porosity": 0.3688355925925926, | |
| "shape": [ | |
| 300, | |
| 300, | |
| 300 | |
| ], | |
| "surface_to_volume": 59821.238561408434, | |
| "voxel_size_m": [ | |
| 1.0002e-05, | |
| 1.0002e-05, | |
| 1.0002e-05 | |
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| }, | |
| "request": null, | |
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| 0 | |
| ], | |
| "positions": null, | |
| "rule": "uniform_by_volume", | |
| "weights": "water_fraction" | |
| }, | |
| "substrate_spec_version": "0.1", | |
| "validity": { | |
| "mesh_edge_feature_ratio": null, | |
| "min_gap": null, | |
| "smallest_feature": 1.0002e-05, | |
| "thinnest_shell": null, | |
| "tiers": [ | |
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| "relaxation", | |
| "surface" | |
| ] | |
| }, | |
| "walls": [ | |
| { | |
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| "outside": 0.0 | |
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| "name": "grain|free", | |
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| }, | |
| "surface": { | |
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| 375, | |
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| "file": "LV60A.nhdr", | |
| "format": "nrrd", | |
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| "spec_sha256": "5dc952f9212ce8a9311ec7ef8397144a8e1b626a0abe3881a6202211fed6cce0" | |
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