Hi Martin,
thank you so much, this helps a lot!
Would it alright if I added this information to
https://docs.qgis.org/latest/en/docs/user_manual/working_with_3d_tiles/3d_tiles.html#what-are-3d-tiles
? Marketing-wise it would be a bit negative ("partial XX support" sounds
worse than plain "3D Tiles support"), but I think for users it would be
super helpful.
When you say "gltf 2.0 assets" this includes both text (.gltf) and
binary (.glb) encodings, right?
Yeah it seems like there is a lot of "flavours" of 3D Tiles in addition
to the standards. So confusing. D:
Pirmin's repo has been of great help already. I haven't had much luck
with pg2b3dm but currently I am evaluating mago-3d-tiler fairly
successfully and I will share my findings if they are worthy.
Cheers, Hannes
On 8/19/25 15:10, Martin Dobias wrote:
Hi Hannes
QGIS currently has partial support for 3D Tiles 1.0 and partial
support for 3D Tiles 1.1.
In more detail:
- "b3dm" is supported, but "i3dm" / "pnts" / "cmpt" tile content is
not supported yet
- CRS: 3D Tiles spec generally expects data to be in EPSG:4978, see
[1]. Other CRS may be specified in metadata in 3D Tiles 1.1, see [2]
but we have not seen it used much yet
- only explicit tiling is supported (implicit tiling is an addition in
3D Tiles 1.1)
- from 3D Tiles 1.1, QGIS supports gltf 2.0 assets as tile content (in
addition to "b3dm") - because Google's 3D tiles use it
I remember I looked at those datasets when adding 3D Tiles support,
but there were a couple of issues:
- usage of custom CRS - this is not common in 3D Tiles, and the CRS is
not specified in the metadata. I _think_ other viewers like CesiumJS
would also fail to show such dataset, as this was only supported by
their specific 3d viewer
- usage of implicit tiling not yet supported in QGIS
- tiles that claim to be "b3dm" are actually composite ("cmpt") not
yet supported in QGIS
For tile generation, check out some links at
https://github.com/pka/awesome-3d-tiles
Cheers
Martin
[1]
https://github.com/CesiumGS/3d-tiles/tree/main/specification#coordinate-reference-system-crs
[2]
https://github.com/CesiumGS/3d-tiles/blob/main/specification/Metadata/Semantics/README.adoc#overview-3
On Tue, Aug 19, 2025 at 11:24 AM Johannes Kröger (WhereGroup) via
QGIS-Developer <[email protected]> wrote:
Howdy!
I am struggling with 3D Tiles in QGIS and wonder if someone could
provide information as to which kinds of 3D Tiles exactly are
supported.
For example:
* 1.0? 1.1? Both?
* Explicit or implicit tiling? Both?
* EPSG:4979? EPSG:4978? Custom CRS?
I could get *none* of the 3D Tiles offered on
https://3dtilesnederland.nl/3d-tilesets/ under "WGS 84" to show up
in QGIS: 1.0 (b3dm) or 1.1 (glb), explicit or implicit tiling.
If you try different datasets from the "Amersfoort / RD New + NAP
height" section there in the 1.0 Explicit column, some might work
(e.g. Cesium ion Rotterdam Wilhelminakade – Textured or "FME (Safe
Software) Rotterdam Stadsdriehoek LoD2"), others won't (e.g.
"pg2b3dm Amsterdam BAG v20231008" shows up misaligned and with
gaps in 3D; "VCS (Virtual City Systems) Rotterdam" or
"pg2b3dm Rotterdam Ommoord" do not show up at all).
Are there specific tile generators that are ideal for creating
(big) 3D Tiles datasets for QGIS?
Cheers, Hannes
_______________________________________________
QGIS-Developer mailing list
[email protected]
List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer
Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
_______________________________________________
QGIS-Developer mailing list
[email protected]
List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer
Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
