Hello Team,
I have sample glb files which I am uploading on the cesium ion.
I am choosing an option of 3DTILES while uploading it.
After the upload, when I choose option to set the model location, what I find is that the tileset position and the pivot for adjusting position is far away from each other.
Like shown in below screen shot.
The pivot probably refers to the origin for a glTF asset.
When you drag-and-drop the GLB file into https://gltf.report/ and have a look at the ‘Metadata’ tab, you’ll see the BBOX_MIN/MAX values, indicating that the cube has a distance of ~450 meters from the origin in x-direction, and a distance of ~310 meters in z-direction:
You could use any program to adjust the model and move it to the origin (e.g. Blender or any other editor that supports import/export of glTF). In fact, this is a relatively simple operation, so you could also do it directly in https://gltf.report/ : When you select the “Script” tab, you can enter the following:
import { center } from '@gltf-transform/functions';
await document.transform(
center({pivot: 'below'})
);
Then press ‘Run’ (upper right of the script tag), and eventually, ‘Export’ (lower right of the menu). It will offer a GLB file for download. When you add this updated GLB file into ion, then the pivot should be right 'below' the model:
