OBJ2GLTF question

Hello all,

I'm new to use cesium 3D model,

and i use the tools OBJ2GLTF【https://github.com/AnalyticalGraphicsInc/obj2gltf】

i use the cmd to convert obj to gltf,

and i already install Node js,

but it is show error message like following.

-------------------error message start-------------------

C:\WINDOWS\system32>node C:\Users\MichelleYao\Desktop\obj2gltf-master\bin\obj2gltf.js C:\Users\MichelleYao\Desktop\obj2gltf-master\specs\data\BoxTextured\BoxTextured.obj
    throw err;

Error: Cannot find module 'yargs'
    at Function.Module._resolveFilename (module.js:472:15)
    at Function.Module._load (module.js:420:25)
    at Module.require (module.js:500:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (C:\Users\MichelleYao\Desktop\obj2gltf-master\bin\obj2gltf.js:3:12)
    at Module._compile (module.js:573:32)
    at Object.Module._extensions..js (module.js:582:10)
    at Module.load (module.js:490:32)
    at tryModuleLoad (module.js:449:12)
    at Function.Module._load (module.js:441:3)

-------------------error message end-------------------

Please tell me what wrong with it.

Because i'm new to use about this.

Thanks a lot.

Try running

npm install


From within the project’s root directory.

thanks Sean, it is successful ! : )