How to stably generate multiple b3dms

[jingyangking]

When I was using obj2tiles, I found that some models generate several b3dms, while others only generate one b3dms, which is not related to size. So, I would like to ask how to generate a tileset.json file consisting of multiple b3dms from an obj model? Thank you very much!

[clementcolin]

Hi,
The objTilers works as follow :

• if you give multiple .Obj files, it should produce multiple b3dm
• if you give one .Obj file, and only one object is recognized in it, it should produce one b3dm
• if you give one .Obj file, and multiple object are recognized in it, it should produce multiple b3dm

We use the pywavefront library to read .Obj files, which is able to read .Obj file with multiple objects, such as follow :

O object_1

v 0.0 0.0 0.0
v 1.0 0.0 0.0
v 1.0 0.0 1.0
v 0.0 0.0 1.0
f 1 2 3 4

O object_2
v 0.0 2.0 0.0
v -1.0 -1.0 0.0
v 1.0 -1.0 0.0
f 1 2 3 4

[jingyangking]

Thank you for your answer. Can it be understood that it is currently unable to perform automatic segmentation models

[clementcolin]

Currently, you're right, it is unable to do so