| { | |
| "id_to_material_family": { | |
| "0": "background", | |
| "1": "concrete", | |
| "2": "fabric", | |
| "3": "leather", | |
| "4": "metal", | |
| "5": "plastic", | |
| "6": "stone", | |
| "7": "wood" | |
| }, | |
| "material_family_to_id": { | |
| "background": 0, | |
| "concrete": 1, | |
| "fabric": 2, | |
| "leather": 3, | |
| "metal": 4, | |
| "plastic": 5, | |
| "stone": 6, | |
| "wood": 7 | |
| } | |
| } |