Node command line tool convert obj model file to 3D Tiles, based on obj2gltf.
NOTE: Only support
.b3dmfor now!Please use Cesium after v1.37, cause this 3d tile use glTF2.0.
Clone this repository to local.
git clone https://github.com/PrincessGod/objTo3d-tiles.git
Navigate in the repository folder.
cd objTo3d-tiles
Make sure you have Node installed, and then
npm install
- Convert
.objto.gltf
node ./bin/obj23dtiles.js -i ./bin/barrel/barrel.obj
// Export barrel.gltf at same folder.
- Convert
.objto.glb
node ./bin/obj23dtiles.js -i ./bin/barrel/barrel.obj -b
// Export barrel.glb at same folder.
NOTE: More detial to convert
.gltfand.glbcan find at obj2gltf.
- Convert
.objto.b3dmwith default batch table, which havebatchIdandnameproperty, andnameis model's name.
node ./bin/obj23dtiles.js -i ./bin/barrel/barrel.obj --b3dm
// Export barrel.b3dm at same folder.
- Convert
.objto.b3dmwith default batch table and export default batch table (a JSON file). Maybe get information for custom batch table.
node ./bin/obj23dtiles.js -i ./bin/barrel/barrel.obj --b3dm --outputBatchTable
// Export barrel.b3dm and barrel_batchTable.json at same folder.
- Convert
.objto.b3dmwith custom batch table.
node ./bin/obj23dtiles.js -i ./bin/barrel/barrel.obj -c ./bin/barrel/customBatchTbale.json --b3dm
// Export barrel.b3dm with custom batch table at same folder.
- Create a single tileset with
.b3dmtile.
node ./bin/obj23dtiles.js -i ./bin/barrel/barrel.obj --tileset
// Export ./Batchedbarrel folder at same folder which is a tileset.
- Create a single tileset with
.b3dmtile and custom tileset options.
node ./bin/obj23dtiles.js -i ./bin/barrel/barrel.obj --tileset -p ./bin/barrel/customTilesetOptions.json
// Export ./Batchedbarrel folder at same folder which is a tileset with custom tileset options.
The customTilesetOptions.json can have options bellow, and these are default values.
{
"longitude": -1.31968, // Tile center's longitude in radian.
"latitude": 0.698874, // Tile center's latitude in radian.
"transHeight": 0.0, // Model height in meters.
"minHeight": 0.0, // BoundingVolume minimum height in meters.
"maxHeight": 40.0, // BoundingVolume maximum height in meters.
"tileWidth": 200.0, // Tile width in meters, and tile is square.
"geometricError": 200.0, // Tile geometric error in meters.
"region": true, // Using region bounding volume.
"box": false, // Using box bounding volume.
"sphere": false // Using sphere bounding volume.
//"transfrom" : Matrix4 // Using for custom transform.
}
Sample data under the .bin\barrel\ folder.
barrel\
|
- barrel.blend --
| |- Blender project file with texture.
- barrel.png --
|
- barrel.obj --
| |- Obj model files.
- barrel.mtl --
|
- customBatchTable.json ---- Custom batchtable used in demonstration.
|
- output\ ---- Export data by using upper files.
|
- barrel.glb
|
- barrel.gltf
|
- barrel_batchTable.json ---- Default batch table.
|
- Batchedbarrel\ ---- Tileset output
| |
| - tileset.json
| |
| - barrel.b3dm
|
- BatchedTilesets\ ---- Tileset with custom tileset.json
|
- tileset.json
|
- barrel_withDefaultBatchTable.b3dm
|
- barrel_withCustonBatchTable.b3dm
Great thanks to Sean Lilley(@lilleyse) for helping and advising.
Thanks AnalyticalGraphicsInc provide a lot of open source project (like Cesium and 3D Tiles) and creat a great GIS environment.
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