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Scene State Format
Angel Chang edited this page Sep 23, 2024
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1 revision
The scene-state format specifies the set of 3D model assets used in the scene together with their transforms.
There can be a arch field that specifies the architecture. The architecture can either be a reference to another json file or directly embedded.
To specify the arch by reference, use the ref field to specify the architecture id:
"arch": { "ref": "arch.00001" }
The transform is a 4x4 matrix in column order. In newer versions of the format, the scene-state can also include the rotation, translation and scale as vectors. The rotation vector is a quaternion in [x,y,z,w] order.
The model ids specify the asset source together with the asset id.
Example of scene-state file:
{
"format": "sceneState",
"scene": {
"version": "scene@1.0.2",
"id": "wssScenes.scene00096",
"up": {
"x": 0,
"y": 0,
"z": 1
},
"front": {
"x": 0,
"y": -1,
"z": 0
},
"unit": 0.0254,
"assetSource": [
"wss"
],
"object": [
{
"id": "0", // String id of the object instance
"modelId": "wss.room15", // Indicate what model to use (room15 from wss asset set)
"index": 0, // Index of this object instance in this array
"parentIndex": -1, // Whether there is a support parent
// Alternative is to specify the "parentId" which can point to architecture elements as well
"transform": { // Transform matrix in column-order
"rows": 4,
"cols": 4,
"data": [
1,
0,
0,
0,
0,
1,
0,
0,
0,
0,
1,
0,
0,
0,
0,
1
]
}
},
{
"id": "1",
"modelId": "wss.c04fd0df2310b7653321831d2245cf06",
"index": 1,
"parentIndex": 0,
"transform": {
"rows": 4,
"cols": 4,
"data": [
-2.1147500000000004,
1.848769997997997E-7,
-6.531228274167956E-24,
0,
-1.848769997997997E-7,
-2.1147500000000004,
6.531229503231712E-24,
0,
-6.531227700709197E-24,
6.5312299962697776E-24,
2.11475,
0,
92.77729999999998,
43.5621,
94.9695,
1
]
}
},
{
"id": "2",
"modelId": "wss.24de2766872efc6c188b3228ae423298",
"index": 2,
"parentIndex": 0,
"transform": {
"rows": 4,
"cols": 4,
"data": [
9.344391926902064E-16,
4.208340000000001,
-1.9721522630525295E-31,
0,
-4.208340000000001,
9.344391926902064E-16,
-3.514966202000622E-32,
0,
0,
1.9721522630525295E-31,
4.208340000000001,
0,
117.578,
43.562100000000015,
52.317,
1
]
}
},
{
"id": "3",
"modelId": "wss.c24783f8dae6f779f11c3739edd52fa3",
"index": 3,
"parentIndex": 0,
"transform": {
"rows": 4,
"cols": 4,
"data": [
2.05285,
-4.558242672203505E-16,
-5.060665966509231E-32,
0,
4.558242672203505E-16,
2.05285,
-9.860761315262648E-32,
0,
5.060665966509231E-32,
9.860761315262648E-32,
2.05285,
0,
115.185,
59.04529999999998,
8.132759999999992,
1
]
}
},
{
"id": "4",
"modelId": "wss.612502d1b88031d38223339ec998b50b",
"index": 4,
"parentIndex": 0,
"transform": {
"rows": 4,
"cols": 4,
"data": [
-1.5840400000000003,
1.384809998431363E-7,
5.590116132182207E-24,
0,
-1.384809998431363E-7,
-1.5840400000000003,
4.8921830758281974E-24,
0,
5.5901165617278024E-24,
4.892182582790132E-24,
1.5840400000000003,
0,
100.49899999999998,
43.56209999999998,
42.93769999999999,
1
]
}
},
{
"id": "5",
"modelId": "wss.3ee02ae42082a4d376a2788017b16c37",
"index": 5,
"parentIndex": 0,
"transform": {
"rows": 4,
"cols": 4,
"data": [
-1.6873,
-3.7465586189000533E-16,
4.159515641810665E-32,
0,
3.7465586189000533E-16,
-1.6873,
0,
0,
4.1595156418106664E-32,
0,
1.6873,
0,
308.74799999999993,
127.97999999999999,
8.124020000000002,
1
]
}
},
{
"id": "6",
"modelId": "wss.ff0880acb7e82c205af86d34b0df5f90",
"index": 6,
"parentIndex": 5,
"transform": {
"rows": 4,
"cols": 4,
"data": [
-1.1854699999999998,
-7.065960026322724E-8,
-3.922382096854397E-24,
0,
7.065960026322722E-8,
-1.1854699999999998,
3.4512664603419266E-31,
0,
-3.9223820968544105E-24,
1.9721522630525295E-31,
1.18547,
0,
248.108,
94.48549999999996,
53.37009999999999,
1
]
}
},
{
"id": "7",
"modelId": "wss.acc67510dd228d01d7cbb1f9251b6139",
"index": 7,
"parentIndex": 5,
"transform": {
"rows": 4,
"cols": 4,
"data": [
1.1490808304870368E-15,
-2.5874999999999995,
2.9582283945787943E-31,
0,
2.5874999999999995,
1.1490808304870372E-15,
1.338287773387369E-31,
0,
-1.2131842169368415E-31,
1.9721522630525295E-31,
2.5874999999999995,
0,
-670.8930000000003,
298.43899999999974,
52.2437,
1
]
}
},
{
"id": "8",
"modelId": "wss.acc67510dd228d01d7cbb1f9251b6139",
"index": 8,
"parentIndex": 5,
"transform": {
"rows": 4,
"cols": 4,
"data": [
1.1490808304870368E-15,
-2.5874999999999995,
2.9582283945787943E-31,
0,
2.5874999999999995,
1.1490808304870372E-15,
1.338287773387369E-31,
0,
-1.2131842169368415E-31,
1.9721522630525295E-31,
2.5874999999999995,
0,
-679.3880000000003,
300.47299999999973,
52.24369999999999,
1
]
}
},
{
"id": "9",
"modelId": "wss.acc67510dd228d01d7cbb1f9251b6139",
"index": 9,
"parentIndex": 5,
"transform": {
"rows": 4,
"cols": 4,
"data": [
1.1490808304870368E-15,
-2.5874999999999995,
2.9582283945787943E-31,
0,
2.5874999999999995,
1.1490808304870372E-15,
1.338287773387369E-31,
0,
-1.2131842169368415E-31,
1.9721522630525295E-31,
2.5874999999999995,
0,
-688.4870000000001,
301.19399999999973,
52.24369999999999,
1
]
}
},
{
"id": "10",
"modelId": "wss.4e300f10506f23f86e57243d49772ed8",
"index": 10,
"parentIndex": 5,
"transform": {
"rows": 4,
"cols": 4,
"data": [
1.8198154094761775E-17,
-0.0409786,
1.5407439555097887E-33,
0,
0.0409786,
1.8198154094761775E-17,
2.145201597372404E-33,
0,
0,
1.5407439555097887E-33,
0.0409786,
0,
130.93399999999997,
98.53519999999995,
52.24369999999997,
1
]
}
},
{
"id": "11",
"modelId": "wss.1e5abf0465d97d826118a17db9de8c0",
"index": 11,
"parentIndex": 5,
"transform": {
"rows": 4,
"cols": 4,
"data": [
6.331113411306432E-18,
-0.014256399999999999,
1.1555579666323415E-33,
0,
0.014256399999999999,
6.331113411306434E-18,
9.318894914081506E-34,
0,
-4.739000847409537E-34,
1.1555579666323415E-33,
0.014256399999999999,
0,
178.58099999999996,
84.55859999999993,
52.24369999999999,
1
]
}
},
{
"id": "12",
"modelId": "wss.ceb01f7d013e1660e82b1dc57ebca27",
"index": 12,
"parentIndex": 5,
"transform": {
"rows": 4,
"cols": 4,
"data": [
-0.10132799999999999,
-0.05850170000000003,
-1.3456309751153964E-17,
0,
0.05850170000000003,
-0.10132799999999999,
-5.021965140211728E-17,
0,
1.3456362455700244E-17,
-5.0219880123743596E-17,
0.11700400000000004,
0,
165.9,
89.32009999999995,
52.2437,
1
]
}
},
{
"id": "13",
"modelId": "wss.6354f7b41a25f49eb637980f6f06104",
"index": 13,
"parentIndex": 0,
"transform": {
"rows": 4,
"cols": 4,
"data": [
-1.7024000000000001,
3.780087354243747E-16,
-1.4882899999999996E-7,
0,
3.78008702377697E-16,
1.702400000000001,
-3.78008724158837E-16,
0,
1.48829E-7,
-3.780087466899128E-16,
-1.7024000000000001,
0,
126.40800000000004,
96.20900000000005,
106.04900000000005,
1
]
}
},
{
"id": "14",
"modelId": "wss.9603f67e3d3cc8793580f756624326f1",
"index": 14,
"parentIndex": 0,
"transform": {
"rows": 4,
"cols": 4,
"data": [
-1.54147,
1.347590000606496E-7,
5.439932200039141E-24,
0,
-1.347590000606496E-7,
-1.54147,
-5.439930716128283E-24,
0,
5.439931763037186E-24,
-5.439930864039703E-24,
1.5414700000000003,
0,
142.229,
43.562099999999994,
77.62879999999998,
1
]
}
}
],
"camera": [
{
"up": {
"x": 0,
"y": 0,
"z": 1
},
"position": {
"x": -325.714179314805,
"y": 26.90886447531276,
"z": 371.0709396283615
},
"target": {
"x": 133.85850524902344,
"y": 216.53550720214844,
"z": 57.08649826049799
},
"isOrtho": false,
"name": "current"
}
]
},
"selected": []
}
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