Comments (4)
Hi Eytanm, you could try these steps to create a reference model:
- In RC, set both coordinate systems "Project" and "Output" as "Euclidean"
- Export Cesium tilesets (hi-poly)
- Simplify the entire large photogrammetry model to 10K and export as Cesium tilesets (low-poly). Export setting:
- Initial simplification: None
- Maximum node triangle count: 10K. The reason we set the same values (10K) as the low-poly 10K is because we don't want the model to have LODs. There's only 1 level.
- Load both hi-poly and low-poly tilesets and check if they're aligned.
- Assuming hi-poly and low-poly tilesets align on top of each other, convert the low-poly tilesets(b3dm) into glb using this 3d-tiles-validator/tools
b3dmToGlb
section. - Import the low-poly glbs that you just converted into blender/3Ds Max
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Hi Eytan!
Sorry for the late reply.
I think aligning in a software such as max or blender would work well. Instead of importing 3D Tiles into a modeling software, are you able to export a low-poly mesh of your photogrammetry model? You could use that just for positioning and then replace it with the Tileset on the web.
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Thanks, Avner, I think I have a problem with the rotation of the models. I use Reality Capture to export to Cesium, then 3Dtiles-loader rotates the Cesium data 90 degrees before plotting.. So I'm confused about how to correctly rotate the reference model, which I also export from RC, to bring into 3D max.... especially if the pivot point of the large tiled model is different from that of the smaller model segment...
This is well beyond the library, so perhaps I've gone too far...
Thanks for the support!
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Thanks wboony!
I'm having trouble running the b3dm to glb tool.
Can I export one version as tiles directly to Cesium, and then also export a FBX file from RC of the same model, and relay on them to overlap? confused since the Cesium model is rotated by the JS to flip the y axis
TNX!
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Related Issues (20)
- A 3D tile failed to load: undefined error parsing gltf HOT 1
- 3d model not rotating properly HOT 4
- multiple tileSet.json HOT 4
- Race condition for model orientaiton in the first LOD layer HOT 1
- hosting tilesets not through cesium HOT 2
- Why is it like this after loaded HOT 3
- The problem of plug-in loading on mapbox HOT 4
- Missplacement of 3d tiles on map HOT 1
- THREE.GLTFLoader is not defined. DRACOLoader instance is not provided
- Preload tiles
- Next.js Production Build - Error loading 3d tiles! Error: 3DTileLoader: unknown type
- your cesium example is down... HOT 1
- is there a "+Y" Up parameter
- Resulting 3D Object doesn't react to lighting HOT 2
- Update peer dependency of three HOT 1
- TILE SELECTED BUT NOT LOADED!! HOT 2
- browser crash
- the trouble of raycaster HOT 2
- We tried generated 1.1 version tiles data in this viewer. but not able to load tiles data. HOT 1
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