# Cesium ion

**URL:** https://community.cesium.com/c/cesium-ion/9.md

[Latest](https://community.cesium.com/latest.md) · [Categories](https://community.cesium.com/categories.md) · [Tags](https://community.cesium.com/tags.md)

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## [About the Cesium ion category](https://community.cesium.com/t/about-the-cesium-ion-category/12744)

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**Author:** [@Shehzan\_Mohammed](https://community.cesium.com/u/Shehzan_Mohammed)\
**Replies:** 1\
**Last updated:** [March 23, 2023, 11:40am UTC](https://community.cesium.com/t/about-the-cesium-ion-category/12744 "2023-03-23T11:40:09Z")

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Ask questions about uploading and tiling data, Cesium Stories, and other Cesium ion topics. Make feature requests.

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## [Feature Request: Exporting Stories Annotations / Waypoints to KML](https://community.cesium.com/t/feature-request-exporting-stories-annotations-waypoints-to-kml/47250)

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**Author:** [@Mark\_Trumpold](https://community.cesium.com/u/Mark_Trumpold)\
**Replies:** 2\
**Last updated:** [September 29, 2026, 4:23pm UTC](https://community.cesium.com/t/feature-request-exporting-stories-annotations-waypoints-to-kml/47250 "2026-09-29T16:23:31Z")

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Subject: Feature Request: Exporting Stories Annotations / Waypoints to KML To: Cesium Development Team Date: September 12, 2026 Greetings Cesium Team, I am relatively new to Cesium, and my primary goal is replacing G…

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## [Distant objects disappearing – offshore wind turbines 30 km from shore](https://community.cesium.com/t/distant-objects-disappearing-offshore-wind-turbines-30-km-from-shore/47303)

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**Author:** [@R\_Steinbergs](https://community.cesium.com/u/R_Steinbergs)\
**Replies:** 5\
**Last updated:** [September 25, 2026, 7:34am UTC](https://community.cesium.com/t/distant-objects-disappearing-offshore-wind-turbines-30-km-from-shore/47303 "2026-09-25T07:34:14Z")

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Hi everyone, I’m new here! I’m working on a project where I need to visualize an offshore wind farm from the coastline, located approximately 30 km away. One of my first concerns was whether the wind turbines would sti…

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## [Rhinoceros to cesium](https://community.cesium.com/t/rhinoceros-to-cesium/13089)

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**Author:** [@AndreasK](https://community.cesium.com/u/AndreasK)\
**Replies:** 2\
**Last updated:** [September 7, 2026, 3:11am UTC](https://community.cesium.com/t/rhinoceros-to-cesium/13089 "2026-09-07T03:11:37Z")

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Hello world, I am only a beginner, so please forgive me if this question is trivial. I have a question about adding a cad model as an asset to Cesium Ion. If I have a georeferenced 3D-model in Rhinoceros3D, in a known…

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## [Improved File Management in Cesium ion](https://community.cesium.com/t/improved-file-management-in-cesium-ion/47161)

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**Author:** [@tfili](https://community.cesium.com/u/tfili)\
**Replies:** 0\
**Last updated:** [September 4, 2026, 6:26pm UTC](https://community.cesium.com/t/improved-file-management-in-cesium-ion/47161 "2026-09-04T18:26:06Z")

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We’re excited to announce enhanced file management in Cesium ion. These changes are rolling out today and will complete over the weekend. Try these new My Assets features and let us know what you think! Separate sourc…

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## [Issue with Infobox Content in Cesium ion](https://community.cesium.com/t/issue-with-infobox-content-in-cesium-ion/47048)

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**Author:** [@irem.cagbayir](https://community.cesium.com/u/irem.cagbayir)\
**Replies:** 1\
**Last updated:** [September 3, 2026, 7:23pm UTC](https://community.cesium.com/t/issue-with-infobox-content-in-cesium-ion/47048 "2026-09-03T19:23:42Z")

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Hello, When I add text and images to an Infobox in Cesium ion, the content disappears automatically after a few seconds. I have tried creating several different Stories, but I experience the same issue in all of them. …

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## [Cesium Ion Down? (Updated & Fixed - It's not down)](https://community.cesium.com/t/cesium-ion-down-updated-fixed-its-not-down/47079)

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**Author:** [@FlightMe](https://community.cesium.com/u/FlightMe)\
**Replies:** 0\
**Last updated:** [August 26, 2026, 7:17pm UTC](https://community.cesium.com/t/cesium-ion-down-updated-fixed-its-not-down/47079 "2026-08-26T19:17:56Z")

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Please ignore my original post. We had an issue but it turns out it was on our end. Thanks!

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## [3D Tiles of obj-Meshes are rotated by ca. -1.5°](https://community.cesium.com/t/3d-tiles-of-obj-meshes-are-rotated-by-ca-1-5/45500)

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**Author:** [@Basalt-Actien-Gesell](https://community.cesium.com/u/Basalt-Actien-Gesell)\
**Replies:** 4\
**Last updated:** [August 26, 2026, 6:58am UTC](https://community.cesium.com/t/3d-tiles-of-obj-meshes-are-rotated-by-ca-1-5/45500 "2026-08-26T06:58:22Z")

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Dear Community Forum, we are experiencing a weird issue with the conversion of our ODM-generated .obj meshes to 3D-Tiles via cesium ion - all generated 3D Tiles are rotated by about 1°-1.5° counter clockwise. Our workf…

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## [Gaussian splat from iTwin Capture renders broken in Cesium ion Preview](https://community.cesium.com/t/gaussian-splat-from-itwin-capture-renders-broken-in-cesium-ion-preview/46567)

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**Author:** [@honjo](https://community.cesium.com/u/honjo)\
**Replies:** 1\
**Last updated:** [August 25, 2026, 6:54pm UTC](https://community.cesium.com/t/gaussian-splat-from-itwin-capture-renders-broken-in-cesium-ion-preview/46567 "2026-08-25T18:54:18Z")

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I generated a Gaussian Splat from a video using iTwin Capture. The result displays correctly inside iTwin Capture, but after uploading the original .ply file to Cesium ion with “Gaussian splats” enabled, the asset appea…

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## [Water bodies are not flat when terrain is enabled](https://community.cesium.com/t/water-bodies-are-not-flat-when-terrain-is-enabled/46523)

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**Author:** [@genlas](https://community.cesium.com/u/genlas)\
**Replies:** 1\
**Last updated:** [August 25, 2026, 6:38pm UTC](https://community.cesium.com/t/water-bodies-are-not-flat-when-terrain-is-enabled/46523 "2026-08-25T18:38:57Z")

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I am using Cesium ion to visualize cities with inland water ways, I am finding that when I enable terrain the waterways are not flat but look undulated Is there a way to fix this as it is not accurate when terrain is ena…

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## [Download map data](https://community.cesium.com/t/download-map-data/46428)

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**Author:** [@andyjay](https://community.cesium.com/u/andyjay)\
**Replies:** 1\
**Last updated:** [August 25, 2026, 6:36pm UTC](https://community.cesium.com/t/download-map-data/46428 "2026-08-25T18:36:12Z")

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Hey guys! I was wondering if there was a way to download map data? I found this ( Interactive Map of Prisons Worldwide • Live Earth Monitoring & Educational Resources • ClimateViewer Maps ) map, the data is attributed to…

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## [Right way to georeferencing file on Cesium](https://community.cesium.com/t/right-way-to-georeferencing-file-on-cesium/47030)

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**Author:** [@pcampana](https://community.cesium.com/u/pcampana)\
**Replies:** 1\
**Last updated:** [August 22, 2026, 7:58am UTC](https://community.cesium.com/t/right-way-to-georeferencing-file-on-cesium/47030 "2026-08-22T07:58:39Z")

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Hi all, I’m trying to place my IFC model in the correct location when exporting from Revit to IFC4. I checked that the correct coordinates are set in IfcSite, but when I upload the file, it is located in the middle of th…

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## [Visualise 3d Water Pipe](https://community.cesium.com/t/visualise-3d-water-pipe/46971)

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**Author:** [@Petros\_Mylonopoulos](https://community.cesium.com/u/Petros_Mylonopoulos)\
**Replies:** 0\
**Last updated:** [August 14, 2026, 11:15am UTC](https://community.cesium.com/t/visualise-3d-water-pipe/46971 "2026-08-14T11:15:05Z")

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Hi there, I would like to visualise a water pipe from qgis as a 3d pipe with certain diameter and conditioning colouring and to be buried 2m below the terrain. I want to click at the pipe and open the associated assessm…

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## [3d model uploading regarding](https://community.cesium.com/t/3d-model-uploading-regarding/46961)

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**Author:** [@kuldeepsinghbagri](https://community.cesium.com/u/kuldeepsinghbagri)\
**Replies:** 0\
**Last updated:** [August 13, 2026, 7:05am UTC](https://community.cesium.com/t/3d-model-uploading-regarding/46961 "2026-08-13T07:05:30Z")

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i had a 3d model .obj file created in Agisoft Metashape Professional (64 bit) how to upload in cesium ion

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## [Cannot find Bentley iModel](https://community.cesium.com/t/cannot-find-bentley-imodel/46917)

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**Author:** [@CKGHD](https://community.cesium.com/u/CKGHD)\
**Replies:** 3\
**Last updated:** [August 10, 2026, 5:21pm UTC](https://community.cesium.com/t/cannot-find-bentley-imodel/46917 "2026-08-10T17:21:11Z")

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Hello, I’m having an issue connecting to my iModels. It comes up blank when I search. I am searching for the address of my imodel at https://infrastructurecloud.bentley.com/. My Bentley Account is linked but no results.…

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## [Error uploading 3D IFC to Ion locally](https://community.cesium.com/t/error-uploading-3d-ifc-to-ion-locally/46916)

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**Author:** [@CKGHD](https://community.cesium.com/u/CKGHD)\
**Replies:** 0\
**Last updated:** [August 6, 2026, 9:39am UTC](https://community.cesium.com/t/error-uploading-3d-ifc-to-ion-locally/46916 "2026-08-06T09:39:16Z")

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Hello, I am trying to upload a 3D file locally and I keep getting the following error. “POST with passive cookie authorization must include a valid x-cesium-csrf header.” Apologies if this is rudimentary but I cannot s…

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## [Best Practices for Converting Orthometric Heights to Ellipsoidal Heights in Cesium?](https://community.cesium.com/t/best-practices-for-converting-orthometric-heights-to-ellipsoidal-heights-in-cesium/46677)

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**Author:** [@will\_riddy](https://community.cesium.com/u/will_riddy)\
**Replies:** 1\
**Last updated:** [July 9, 2026, 4:19pm UTC](https://community.cesium.com/t/best-practices-for-converting-orthometric-heights-to-ellipsoidal-heights-in-cesium/46677 "2026-07-09T16:19:54Z")

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It is fairly common for us to receive data with orthometric heights. To view this in the correct location in Cesium, we need to determine the geoid offset and then apply a vertical translation to the asset, either before…

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## [Can Cesium ion get the location of gaussian splats .ply automatically?](https://community.cesium.com/t/can-cesium-ion-get-the-location-of-gaussian-splats-ply-automatically/42603)

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**Author:** [@ElpheyLee](https://community.cesium.com/u/ElpheyLee)\
**Replies:** 2\
**Last updated:** [July 3, 2026, 2:23pm UTC](https://community.cesium.com/t/can-cesium-ion-get-the-location-of-gaussian-splats-ply-automatically/42603 "2026-07-03T14:23:57Z")

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Hi there, I’m trying to import point clouds and gaussian splats into Cesium ion. When importing point cloud .laz, the location can be automatically set. While for the gaussian splats .ply, it seems like Cesium ion canno…

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## [Expanded BIM/CAD Support in Cesium - Clipping](https://community.cesium.com/t/expanded-bim-cad-support-in-cesium-clipping/46622)

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**Author:** [@Dominic\_Seah](https://community.cesium.com/u/Dominic_Seah)\
**Replies:** 0\
**Last updated:** [July 1, 2026, 6:39am UTC](https://community.cesium.com/t/expanded-bim-cad-support-in-cesium-clipping/46622 "2026-07-01T06:39:37Z")

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Great to see the road map, which includes improvements to the clipping tools. It sounds like the initial focus will be clipping the background, terrain. Please note that it will be critical to enable 3d clipping (secti…

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## [Georeferencing a 360° sphere GLB — 3D\_MODEL tiling fails at 9% when position is set](https://community.cesium.com/t/georeferencing-a-360-sphere-glb-3d-model-tiling-fails-at-9-when-position-is-set/46584)

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**Author:** [@P\_Krithicraj](https://community.cesium.com/u/P_Krithicraj)\
**Replies:** 0\
**Last updated:** [June 26, 2026, 10:36am UTC](https://community.cesium.com/t/georeferencing-a-360-sphere-glb-3d-model-tiling-fails-at-9-when-position-is-set/46584 "2026-06-26T10:36:34Z")

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Hi all, I’m tiling 360° panorama spheres (GLB from Blender, panorama on the sphere’s inner surface) into 3D Tiles via the ion REST API, and I’m stuck on a tiling failure when I try to georeference them. Asset creation …

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## [3D\_MODEL + position fails to process via REST API](https://community.cesium.com/t/3d-model-position-fails-to-process-via-rest-api/45214)

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**Author:** [@Uzufly1](https://community.cesium.com/u/Uzufly1)\
**Replies:** 4\
**Last updated:** [June 23, 2026, 7:10pm UTC](https://community.cesium.com/t/3d-model-position-fails-to-process-via-rest-api/45214 "2026-06-23T19:10:05Z")

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Hi, I’m uploading glb files to cesium ion via the REST API and hitting a consistent processing error when combining 3D\_MODEL with a position. The asset is uploaded successfully but fails during the tiling stage with a g…

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## [JGD2024 Coordinate System Support in Point Cloud Tiler](https://community.cesium.com/t/jgd2024-coordinate-system-support-in-point-cloud-tiler/39793)

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**Author:** [@Sarah\_Osay](https://community.cesium.com/u/Sarah_Osay)\
**Replies:** 19\
**Last updated:** [June 22, 2026, 2:51am UTC](https://community.cesium.com/t/jgd2024-coordinate-system-support-in-point-cloud-tiler/39793 "2026-06-22T02:51:03Z")

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Hello Cesium Team, We’re looking into JGD2024 coordinate system support for the point cloud tiler, and have a few questions: Is JGD2024 support planned for the future? Are there any upcoming updates to help with the J…

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## [Loss of Point Cloud Resolution During LAZ to 3D Tiles Conversion](https://community.cesium.com/t/loss-of-point-cloud-resolution-during-laz-to-3d-tiles-conversion/46399)

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**Author:** [@elise.vinhuba](https://community.cesium.com/u/elise.vinhuba)\
**Replies:** 0\
**Last updated:** [June 1, 2026, 7:41am UTC](https://community.cesium.com/t/loss-of-point-cloud-resolution-during-laz-to-3d-tiles-conversion/46399 "2026-06-01T07:41:36Z")

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Hello, First of all, thank you for your work on Cesium and for taking the time to look into my question. I am currently evaluating a point cloud workflow and have encountered an issue that I hope you can help me unders…

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## [Multiple tilesets - how are sessions counted?](https://community.cesium.com/t/multiple-tilesets-how-are-sessions-counted/46015)

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**Author:** [@FlightMe](https://community.cesium.com/u/FlightMe)\
**Replies:** 8\
**Last updated:** [May 28, 2026, 4:13am UTC](https://community.cesium.com/t/multiple-tilesets-how-are-sessions-counted/46015 "2026-05-28T04:13:00Z")

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Hi, we have a flight game that has Cesium Terrain you fly over, and we also show a map in the cockpit at the same time. My question is, do multiple cesium tilesets in the scene count towards session activation or it is …

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## [Clarifying geometric error in Cesium World Terrain quantized mesh tiles](https://community.cesium.com/t/clarifying-geometric-error-in-cesium-world-terrain-quantized-mesh-tiles/45699)

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**Author:** [@AlexandreBorowczyk](https://community.cesium.com/u/AlexandreBorowczyk)\
**Replies:** 1\
**Last updated:** [May 27, 2026, 3:30pm UTC](https://community.cesium.com/t/clarifying-geometric-error-in-cesium-world-terrain-quantized-mesh-tiles/45699 "2026-05-27T15:30:45Z")

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Hi all, I’m working on a flight path analysis system that uses terrain data for clearance calculations, and I have a few questions about how geometric error is defined and exposed in quantized mesh terrain tilesets. Pi…

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## [Stuck on account verification - email code not arriving](https://community.cesium.com/t/stuck-on-account-verification-email-code-not-arriving/46357)

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**Author:** [@Saad\_Syed](https://community.cesium.com/u/Saad_Syed)\
**Replies:** 0\
**Last updated:** [May 27, 2026, 12:40pm UTC](https://community.cesium.com/t/stuck-on-account-verification-email-code-not-arriving/46357 "2026-05-27T12:40:02Z")

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I have been getting this issue for a while and from multiple accounts, i dont receive the verification email sent right after login i have checked all my spam and junk folders, and receive absolutely nothing.

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## [UE5.7,Cesuim2.26 Unable to connect to Cesium ion](https://community.cesium.com/t/ue5-7-cesuim2-26-unable-to-connect-to-cesium-ion/46335)

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**Author:** [@1064760894](https://community.cesium.com/u/1064760894)\
**Replies:** 0\
**Last updated:** [May 25, 2026, 2:22pm UTC](https://community.cesium.com/t/ue5-7-cesuim2-26-unable-to-connect-to-cesium-ion/46335 "2026-05-25T14:22:06Z")

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I have set the token, but still failed. LogCesiumEditor: Error: Errors connecting to Cesium ion: \[Error\] Failed to complete authorization: \[Error\] Unable to decode base64 payload. Using UE5.4 and Cesuim2.21 can be …

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## [Looking for clip od photogrammetry data](https://community.cesium.com/t/looking-for-clip-od-photogrammetry-data/45863)

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**Author:** [@Mario\_Ruta](https://community.cesium.com/u/Mario_Ruta)\
**Replies:** 2\
**Last updated:** [May 22, 2026, 8:40pm UTC](https://community.cesium.com/t/looking-for-clip-od-photogrammetry-data/45863 "2026-05-22T20:40:17Z")

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I am looking for a small clip of photogrammetry data in Philadelphia. I am not sure what area I will use. I was wondering if there were photogrammetry data sets in Cesium ion? I am also interested in classification of p…

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## [There was an error while processing the asset to be downloaded. Use the toggle to start the process again](https://community.cesium.com/t/there-was-an-error-while-processing-the-asset-to-be-downloaded-use-the-toggle-to-start-the-process-again/45606)

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**Author:** [@ItantInfotech](https://community.cesium.com/u/ItantInfotech)\
**Replies:** 1\
**Last updated:** [May 22, 2026, 8:09pm UTC](https://community.cesium.com/t/there-was-an-error-while-processing-the-asset-to-be-downloaded-use-the-toggle-to-start-the-process-again/45606 "2026-05-22T20:09:50Z")

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There was an error while processing the asset to be downloaded. Use the toggle to start the process again. I am getting this error while downloading my asset from ion. Is there any workaround as it is urgent.

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## [Uploaded an FBX. Tilling hanging at 93% 8+hrs](https://community.cesium.com/t/uploaded-an-fbx-tilling-hanging-at-93-8-hrs/46279)

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**Author:** [@errick.gray](https://community.cesium.com/u/errick.gray)\
**Replies:** 1\
**Last updated:** [May 22, 2026, 8:09pm UTC](https://community.cesium.com/t/uploaded-an-fbx-tilling-hanging-at-93-8-hrs/46279 "2026-05-22T20:09:06Z")

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I am having a problem with an asset hanging at 93% for 8+ hours. Any ideas why? I did this twice. They are identical and are 438MB FBX files that were exported.

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