The 2026 Cesium Developer Conference brought together our community for technically oriented sessions, visionary keynotes, panels, and an in-depth pre-conference workshop day. Watch the talks below to explore how open 3D geospatial technologies are driving innovation across AECO, aerospace and defense, gaming and simulation, and other critical workflows.
Smart Construction Dashboard by EARTHBRAIN uses CesiumJS to visualize earthwork sites as digital twins. This talk demonstrates how 3D Gaussian Splatting from imagery such as drone footage delivers...
Liz Dailey is the Co-Founder and Executive Director of CreateAccess, a nonprofit that advances economic opportunity for young people in underresourced communities through inspiring, hands-on 3D...
This presentation introduces 3D Tiles 2.0, the next generation of the 3D Tiles open standard for streaming large‑scale 3D geospatial content. Learn how 3D Tiles 2.0 builds upon glTF 2.1 as its core...
We plan to share current work and lessons learned with using 3DTiles for interplanetary analysis. Challenges addressed include precision at this scale and performance.
This session presents scalable techniques for rendering and interacting with large point cloud datasets in CesiumJS. We will explore adaptive performance strategies, enhanced attribute visualization,...
Bentley iTwin Capture and Cesium ion offer some of the most advanced photogrammetry reconstruction services available. This session will cover the 3D reconstruction workflow and the best practices to...
An update on Reality Modeling
Sandtable demonstrates how the Mentat platform applies AI and simulations to streamline, accelerate and enrich mission and autonomy planning by helping teams rapidly assess complex environments,...
Cesium is bringing Vector Tiles into the 3D world. We will start by discussing the categories of vector data and use cases we aim to support, followed by our proposed solution: a 3D-native,...
By extending CesiumJS for WebXR, we built a multi‑platform VR experience using 3D content on Cesium ion without any game engine. This approach enables lightweight, browser‑based VR accessible across...
In this workshop, participants will build a small application that combines an LLM-powered chat interface with a Cesium-based 3D visualization. They will learn how to connect conversational AI to...
CalTa introduces "TRANCITY Nebula," a new digital twin service launching March 2026. This session explores how we leverage Cesium to solve complex infrastructure challenges in Japan through...
Live UE5 & Bentley Cesium transportation demos. Including: Custom Vissim importer, Streetscape improvements in Downtown LA, Montana's first DDI, Alaska cruise terminal featuring animated pedestrian...
This deep-dive workshop will walk through building an interactive CesiumJS application using a modern JavaScript setup. Participants will learn how to connect to Cesium ion to stream 3D Tiles into a...
Josh and Justin will discuss how a full UI redesign and introduction of agentic workflows with Sandcastle Copilot are lowering the barrier of entry for CesiumJS.
How do cities become software? This session presents Madrid’s operational digital twin, built on open standards and 3D Tiles. Learn how Cesium enables scalable 3D streaming, real-time data fusion,...
This talk presents EnergyAtlas, a city-scale building digital twin platform, and showcases how it assists cities like Ithaca, NY in evaluating building retrofit strategies, electrification pathways,...
We present a Web Components system that wraps Cesium’s API into composable custom elements. A single <cesium-viewer> tag enables terrains, basemaps, 3D Tiles, layers, models, and plugins—making...
Hear from a multi-generational panel of pioneers shaping the geospatial and infrastructure industry, spanning corporate leadership, entrepreneurship, education, and emerging technical talent. Through...
CoreSpatial Portal integrates GeoServer-driven OGC services with Cesium ion and CesiumJS for high-performance real-time tracks and hybrid 2D/3D workflows. This talk shows the Ion plugin architecture,...
Attendees will gain: Exposure to core 3D geospatial concepts and use case examples for 3D geospatial in education, research, and industry Hands-on experience navigating and using Cesium Stories,...
Close out the Cesium Developer Conference with an inspiring lineup of tech visionaries and community leaders. The session kicks off with feature keynotes from SQLite creator Richard Hipp, and...
Both Unity and Cesium utilize the 3D tiling methodology for the delivery of large-scale content to applications. This presentation will demonstrate the synergy of both technologies to develop...
High fidelity visualisations underpin a Digital Twin of the Port of Dover, integrating transport, maritime, traffic, and energy datasets to support transparent, scenario-based planning for...
Cesium makes it dead simple to drop in accurate geospatial context like Google’s Photorealistic Tiles, but most users don’t customize it beyond a basic cartographic cutout. This session will cover...
This session presents Barcelona’s Underground Digital Twin, built on open standards such as MUDDI, AGS, and IFC. Discover how Cesium enables 3D/4D visualization, semantic integration, and real-time...
Pennoni's 3D visualization team, PFX, will be highlighting some of its biggest projects of the past year that utilized Cesium.
Event Horizon is a tool to visualize aerospace events and perform custom analytics. The tool enables real-time GLTF articulations, handles custom propagation, implements visual "save states", and...
Cesium is starting to incorporate advanced capabilities from Bentley iTwin Platform, unlocking new possibilities for design review workflows. This session highlights features like change detection...
Award-winning TwinMaster transforms Cesium-powered 3D models into AI-native Digital Twins capable of multi-objective reasoning across cost, carbon, performance, constructability, and other key KPIs....
XR technology transforms critical decision-making in high-stakes environments. This session demonstrates how immersive spatial visualization cuts response time and reduces errors when seconds...
Infrastructure inspection AI struggles with scarce, noisy training data. This talk presents a work-in-progress pipeline that uses Cesium-powered infrastructure digital twins as real-world anchors for...
Array Labs returns with a live, operational 3D-from-space product — now processing and fusing multi-sensor data from partner constellations. We'll demo our production, Cesium-powered 3D viewer and...
This talk presents an end-to-end digital twin approach used in large-scale infrastructure projects worldwide. We demonstrate how Cesium enables highly detailed web-based models combined with...
Electric Power Development Co., Ltd. (J-POWER) leverages TRANCITY and Cesium for Unreal for advanced employee training. This session introduces real-world use cases where game engine technology...
Attendees will learn how to take a sample set of oblique images, generate Gaussian Splats as 3D Tiles in their Cesium Ion account, load and configure the data in a CesiumJS Sandcastle and/or Cesium...
Attendees will learn: The difference between reality and design data; How to get design data into Cesium; Techniques for geolocation design data; How to leverage element properties of the design...
Demonstration of how CesiumJS can be used to build a feature-rich outdoor planning tool. By combining custom terrain analysis with aggregated open data, this approach enables the creation of a...
Get familiar with the fundamentals of Cesium for Unreal! This workshop will cover how to stream real-world data into Unreal Engine as well as basic georeferencing concepts, seamless world navigation,...
CesiumJS continues to expand what’s possible for high‑performance 3D geospatial visualization on the web. In this session we'll showcase the latest capabilities in CesiumJS, including advances in...
In this session you will explore: How to tile varied data in cesium ion from different sources. How to tile varied data in cesium ion from different sources. Clipping workflows for data through the...
Join Patrick Cozzi, Cesium Founder and Bentley Chief Platform Officer, to celebrate 15 years of Cesium. From the early days of terrain and point clouds to today’s widespread adoption of 3D Tiles,...
This session explores new Cesium workflows that put metadata to work through querying and search—enabling richer exploration and understanding of 3D data, and unlocking new design‑time and...
Explore how WearTAK leverages Cesium to bring high-fidelity 3D terrain and situational awareness to the tactical edge. We discuss optimizing 3D tiles for low-power wearables, reducing cognitive load...
Ansys & Cesium are improving orbital mission support via time interval path tracking & pathfinder visualizations, along with improved sensor visualizations from satellites to earth.
Short intro to spec, LOD support/reconstruction highlights (enabled by Capture/exposed through ion), client demos.
Turn any iPhone into a survey-grade reality capture device. This session presents scin®, a native iOS app that pairs with external RTK GNSS receivers to produce centimeter-accurate photogrammetric...
We built an Unreal Engine digital twin of EagleCam 2.0's fisheye cameras using Cesium's lunar tileset and custom distortion shaders. The system enables preflight lens selection, placement...
Sense Citiverse turns site captures into streamed 3D city experiences in Cesium. Using Cartagena and the Alhambra as case studies, we show our pipeline: capture, optimize to 3D Tiles, publish, and...
Geospatial technology is evolving faster than ever — but real-world impact still depends on interoperability, open standards, and cross-industry collaboration. In this panel discussion, leaders from...
Learn about implementation patterns, techniques, and challenges while streaming cloud optimized formats such as COPC, COG, and GeoParquet in CesiumJS. We will discuss open source tooling available...
How GeoRobotix’s Rapid Deployability Kit, based on OpenSensorHub, harnesses the power of the OGC API - Connected Systems Standard to stream realtime sensors into OGC 3DTiles based 3D scenes in...
Joey Sipos is the founder of 5D Realities and the creator of Glider Sim, a VR flight-soaring simulator used by thousands of pilots and enthusiasts worldwide. He has over 15 years of experience in...
Short intro to spec, client demosAn overview of time-dynamic 3D Tiles, a new capability coming in 3D Tiles 2.0 for streaming change over time. We'll walk through examples - such as time-dynamic point...
My presentation covers my 4D workflow utilizing Cesium in Unreal Engine and Synchro 4D (& other Bentley software's) on some of North Americas largest transportation projects like the Ontario Line &...
Discover how new design model capabilities like clipping, georeferencing, and filtering make large-scale infrastructure data more usable and performant. This session explores how these cross-industry...
Defense and law enforcement operators require the ability to transform high-fidelity 3D terrain data into immersive VR experiences, enabling mission planners to physically rehearse operations by...
Graphl Technologies is building a new kind of visual programming language with AI-first capability and deep integration with the iTwin.js platform. This new tool is low level enough to be embedded in...
This talk will introduce the new voxels extension in 3D Tiles 2.0, and discuss how to use it in Cesium runtimes to visualize massive volumetric datasets spanning subsurface geology, ocean...
We built a water flow prediction feature on CesiumJS for construction site management. It visualizes puddle formations, outflow points, watersheds, and flow paths as 3D point primitives on terrain,...
This session highlights what’s new and what’s coming next in Cesium ion, with a focus on expanding capabilities for both developers and enterprise teams. We’ll cover new APIs and user interfaces for...
Starr Long has been making video games and technology for over 30 years. During his career he helped start the MMO industry and has created some of the largest Active Digital Twins ever built. Starr...
