Presentations

The new Vector Tiles Technology Preview brings an end-to-end workflow for tiling and streaming massive vector datasets as 3D Tiles, with high-fidelity rendering in CesiumJS and Cesium for Unreal.

This live introduction to Vector Tiles includes a technical presentation, live demonstration, and Q&A with the Cesium team.

3D Tiles 2.0 preview at the 134th OGC Member Meeting in Philadelphia, addressing glTF 2.1, voxels, time-dynamic 3D Tiles, vector tiles, glTF AEC extensions, and 3D Gaussian splatting in 3D Tiles, highlighting community collaboration and use cases.

Sean Lilley presented the potential scope for 3D Tiles 2.0 at the 133rd OGC Member Meeting.

Diego Diaz addressed complexities in Built Infrastructure data​, the need for common understanding of semantics​, semantic web technologies and BION, and next steps at the 133rd OGC Member Meeting.

Danny Williams joined Jeff Espinoza for the "Design with Real-World Context: Cesium x D5 Render in Action" webinar.

Learn to:
- Import 3D Tiles directly into D5 Render;
- Create stunning, location-accurate visuals for architecture, urban planning, and storytelling; and
- Streamline workflows from geospatial data to client-ready presentations.

Sean Lilley addressed glX and 3D Tiles and Adam Morris discussed 3D Gaussian splats during "glTF & 3D Commerce: Unlocking New Possibilities for Real-Time 3D" for the 3D Formats and 3D Commerce Working Groups.

Adam Morris addressed 3D Gaussian splatting USD/glTF interoperability during the Metaverse Standards Forum "State of 3D Asset Interoperability using USD and glTF" BOF.

Sean Lilley covered Gaussian splats, voxels, AEC rendering, and glX at "glTF: Innovations in 3D Content Delivery and Use."

The 2025 Cesium Developer Conference featured technically oriented, community-driven sessions, keynotes, panels, and a pre-conference workshop day. Watch the talks to explore how open geospatial technologies support AECO, aerospace and defense, gaming and simulation, and other workflows.

Project Geospatial's Adam Simmons caught up with Trent Tinker, director of federal business development, to talk about his background in geospatial, Cesium's history, and how we're advancing with Bentley Systems.

In this webinar hosted by the VRARA Los Angeles chapter, Dave Braig, Cory Barr, and Ben Jewett presented "Enabling Digital Twins with the Cesium Platform."

Cesium's Gabby Getz and Janine Liu share how Cesium builds community through our commitment to open source software and open standards.

Patrick Cozzi, Chief Platform Officer, Bentley Systems, and Founder of Cesium introduces Cesium's Journey to Infrastructure at Bentley's 2024 Year in Infrastructure and Going Digital Awards in Vancouver, Canada.

Gabby Getz met with Swarthmore College students to discuss FOSS projects and how Cesium maintains its open source community.

Sean Lilley and Adam Morris presented on glTF in two Birds of a Feather sessions: "glTF: Innovations in 3D Content Delivery and Use" and "glTF: Transforming 3D Asset Delivery for Real-Time Graphics," addressing AEC and geospatial.

As part of the Birds of a Feather session "Metaverse Standards Forum: Advancements on USD and glTF Interoperability and Discussion on the 3D Web Landscape," Patrick Cozzi presented the "3D Asset Interoperability using USD and glTF Working Group Update," and Janine Liu presented "USD and glTF for Geospatial and Beyond."

The CARTO BOF explores how viewpoints and techniques from the computer graphics community can be effectively applied to cartographic and spatial datasets.

Cesium CEO Patrick Cozzi joined DGG's Max Limper for a fireside chat, "Fueling the Industry's and Ecosystem's Growth with Open Standards," during 3D Pipeline Days 2024, co-located with SIGGRAPH in Denver.

Lisa Bos delivered this presentation about Cesium ion and Cesium ion Self-Hosted.

An overview of CesiumJS.

An overview of Cesium native runtimes.

An overview of curated 3D data available through Cesium.

Cesium delivered a presentation at the the first PLATEAU Consortium Conference on June 14, 2024

Cesium's Ben Jewett joined our partners EARTHBRAIN and Komatsu to discuss the latest innovations in Smart Construction at CSPI 2024 in Japan.

Industry talk by Cesium's Sean Lilley at ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games (I3D) 2024, hosted at Cesium headquarters in Philadelphia.

Webinar update on Cesium Ecosystem Grants, our $1M program to advance an open and interoperable 3D geospatial ecosystem.

Information about Cesium Ecosystem Grants JAPAN

Speakers: Patrick Cozzi, Cesium; Guido Quaroni, Adobe; Henrik Edström, Autodesk; Eric Haines, NVIDIA; Marc Petit, Epic Games; Alexey Medvedev, Facebook

The Metaverse Standards Forum 3D Asset Interoperability Domain Group is enabling cooperation between the USD and glTF communities to build synergies and reduce overlaps, gaps, fragmentation, and industry confusion. Developers building tools and platforms with USD and integrating the popular glTF standard will share the state of these 3D initiatives and how they can benefit each other. The group explores expanding the scope of 3D asset definitions to include behaviors, sound, physics, and scene composition and discuss how different standards organizations, open source projects, and commercial companies are converging towards a shared material representation for the open metaverse.

Part of NVIDIA OpenUSD Day, Sean Lilley, Staff 3D Software Developer and Lead for Cesium for Omniverse, led this exploration of OpenUSD, 3D Tiles, and geospatial data to create rich digital twins. He offered insight into data pipelines, 3D Tiles streaming, scene management and performance considerations, and the future of USD and geospatial.

Adam Morris, Staff 3D Software Engineer, joined Pawel Nikiel and Max Limper, DGG; and Andreas Vasilakis, Phasmatic, to explain cutting-edge techniques for optimizing geometry, textures, and node structure within glTF.

Session explores how viewpoints and techniques from the computer graphics community can be effectively applied to cartographic and spatial data sets.

Guidance for integrating CesiumJS into an Angular project to bring a high precision 3D globe to a web app.

Recorded webinar on the power of Bentley's LumenRT for NVIDIA Omniverse and its integration with Cesium. The panel will discuss how the integration of these tools to build digital twins can help visualize complex construction projects in real-time, optimize project timelines and budgets, and how Bentley and Cesium are driving innovation in the construction industry.

Cesium CEO Patrick Cozzi and Ecosystem Grants Manager Danielle Stollak provide an overview of the $1M fund for growth in the 3D geospatial ecosystem, and answer questions from potential grantees.

Cesium's Adam Morris presented at the Metaverse Standards Forum Real/Virtual World Integration Working Group

Cesium presented,"Developing a Large Scale JS Library for 3D Visualization" alongside Ted Agolii of Certara; Otoloye Oyeniran of Wajusoft; and Jevelson Simenthy of Comcast.

Cesium's Sean Lilley joined Tam Belayneh, Esri; Michael Beale, Autodesk; and Leonard Daly of The Khronos Group to discuss how to use glTF for large 3D models, terrain, scanned imagery, and connect it to GIS; Architecture Engineering, and Construction (AEC); and Building Information Model (BIM) meta-data to the individual nuts-and-bolts. glTF’s Geospatial Special Interest Group explained the limitations of today’s glTF and presented their solutions to extend it for the Geospatial and AEC industries. Hierarchical Level of Detail (HLOD), point clouds, geometry and texture compression, and meta-data solutions for the urban digital twin and how it applies to the Metaverse were additional topics discussed.

Cesium is building an integration into O3DE to stream and render massive high-resolution 3D content and full-scale 3D globes, allowing developers to build immersive real-world applications using O3DE such as flight simulators, real-world first-person training, AEC applications, digital twins, and more.

Cesium's Brady Moore joined experts from the geospatial data world—including representatives from Esri, Maxar, and blackshark.ai— to share experiences of development with Unreal Engine. Among the topics discussed are the wide range of use cases for representing worlds digitally, recent changes to the geospatial world, and ways that the ingredients these companies bring to the table can be amalgamated into different recipes to solve the various challenges that end users face.

While many CG research groups are producing animated crowds of thousands of people, generally the agents are mostly pedestrians wandering the traversable areas. Dr. Badler's recent work addresses the impact of personality type on individual movements, considers environmental influences on locomotion and group behaviors, attempts to characterize and reanimate large-scale audiences, and investigates workflows to visualize and repopulate ancient societies.

This course is an introduction to the concepts of the metaverse, organized by Patrick Cozzi and Marc Petit. In the afternoon session, Morgan McGuire, Jeff Petersen, Nadine Alameh, and Neil Trevett covered themes of openness, interoperability, and scale.

This course is an introduction to the concepts of the metaverse, organized by Patrick Cozzi and Marc Petit. In the morning session, Neal Stephenson, Guido Quaroni, Steve May, Natalya Tatarchuk, and Rev Lebaredian spoke about the origins, current state, and potential future development of the open metaverse, including 3D-first computing, game engine ecosystems, the evolution of content creation, and scaling users and worlds.

How Cesium is bridging the digital and physical worlds with 3D Tiles Next, CesiumJS, Cesium for Unreal, Cesium for O3DE, and our advocacy for building a metaverse that is open and interoperable.

3D Tiles Next is the result of Cesium-led collaboration across the community, government, and industry to evolve the 3D Tiles standard to support game-like interactivity over massive 3D geospatial datasets.

At this meetup hosted by The Khronos Group, Sean Lilley explains how 3D Tiles Next uses glTF to scale massive models, and its efficient implementation in WebGL.

This training session was presented at the 2022 GEOINT Symposium.

Guest lecture, Interactive Computer Graphics, Drexel University.

Cesium's Peter Gagliardi discussed Cesium and 3D Tiles NEXT along with experts from Esri and the Wed3D consortium at this international conference on 3D Web technology hosted by SIGGRAPH.

Cesium CEO Patrick Cozzi joined a panel of global Metaverse futurists for "A Vision of the Metaverse" at NVIDIA GTC 2021. Experts shared their vision of the Metaverse, its potential, and what needs to happen to build the foundation. The event featured:

Dean Takahashi, Lead Writer, GamesBeat/VentureBeat

Tim Sweeney, Founder and CEO, Epic Games

Morgan McGuire, Chief Scientist, Roblox

Rev Lebaredian, VP of Simulation Technology and Omniverse Engineering, NVIDIA

Patrick Cozzi, CEO, Cesium

Willim Cui, Vice President of Tencent Games, Tencent

Christina Heller, CEO, Metastage

Jinsoo Jeon, VP, Head of Metaverse Company, SK Telecom

Cesium's Sam Rothstein joined experts from Camptocamp and the Federal Office of Topography swisstopo, to discuss how open source software like CesiumJS makes creating 3D visualizations accessible to a broad range of professionals.

Cesium's Shehzan Mohammed and Bao Tran presented "Bridging the Physical and Digital Worlds: Cesium and 3D Tiles for O3DE" at this conference by the Linux Foundation that explores open source collaboration in gaming.

This unique Birds of a Feather session hosted by Cesium and Epic Games brought experts together to discuss openness and interoperability for the future metaverse. The event featured speakers from Unity, NVIDIA, Roblox, and others.

Smart Construction experts from Cesium, Komatsu, and Hunzinger Construction share insights about how 3D geospatial data is driving the digital transformation of the construction industry.

Cesium CEO Patrick Cozzi joins experts from Esri, Trimble and Intel Geospatial for the Geospatial Infrastructure for Conservation: Technology Panel Discussion. This talk was presented at the Earth Archive Virtual Congress.

Cesium CEO Patrick Cozzi joins a panel of experts including Dr. Sarah Battersby, Dr. Michael Botts, Sanjay Kumar and Nadine Alameh to discuss The Sciences and Technologies of the GeoConvergence.

Panel discussion on bridging geospatial and game engine technology with Patrick Cozzi, CEO of Cesium, Dr. Nadine Alameh, CEO of OGC, and Marc Petit, VP and General Manager of Unreal Engine at Epic Games.

Cesium joins experts from Epic Games, Microsoft and NVIDIA to discuss off-the-shelf technologies used to rapidly build and deploy a streaming interactive simulation application using the Cesium for Unreal plugin, OGC 3D-Tiles, Unreal Engine, and Holographic Remoting from Azure to the Microsoft HoloLens 2 device.

Demonstration and Product Overview of Cesium for Unreal by Shehzan Mohammed, Director of Product Management at Cesium.

Cesium CEO Patrick Cozzi joins an expert panel including Chris Andrews, Sébastien Lozé, Sebastien Lavier, and Ash Richter to discuss Advances in 3D/4D Visualization.

Cesium's Brady Moore discusses Cesium for mission critical visualization and analysis at TEAR 3M: Technical Exchange on Augmented Reality for Military, Maintenance and 3D Modeling.

Cesium CEO Patrick Cozzi discusses Cesium’s commitment to open standards like 3D Tiles, running a business while maintaining open source software, current partnerships and industry trends, Cesium for Unreal, and more.

Cesium's Shehzan Mohammed delivered the keynote address at the Energis Conference, an annual event focused on the role of GIS in the energy industry.

Cesium's Brady Moore gives a short demo of Cesium and Kaarta's proposed solution for dense urban environments including interior spaces and underground infrastructure.

Cesium's Brady Moore demonstrates how Cesium can be used for multi domain operations that require synchronization of plans and actions across different times and locations.

Project Anywhere, a proof-of-concept demo built by Cesium, Epic Games, NVIDIA, and Microsoft, showed the first glimpse of Cesium’s high-fidelity, full-scale WGS84 globe being streamed into Unreal Engine as 3D Tiles.

Quick demo of a 3D COP (Common Operating Picture) built on Cesium.

Dave Braig presents the latest on how Cesium and Komatsu are driving the digital transformation of the construction industry with Smart Construction.

Shehzan Mohammed joined a group of product managers from several Philadelphia companies to talk about the career journey that led to his role at Cesium.

Cesium joins Ray Bentley, Executive VP, Bentley Systems to present Digital Twins with Cesium & iModels (Using Tiles to Improve Display Performance for Massive Data Sets) at The iTwin Developer Conference. The event brings infrastructure thought leaders together to discuss digital twin technologies and the vision of an open ecosystem for infrastructure digital twins. 

Cesium CEO Patrick Cozzi talks 3D geospatial, Smart Construction, and our collaboration with Epic Games on the GISCafe Bunker Broadcast.

Cesium's Gabby Getz discusses her path to geospatial, mentoring, and winning the 2019 Younger Geospatial Professional of the Year award.

Panel discussion of the possibilities ahead as augmented reality is extended to a broad range of use cases.

An overview of Cesium and its latest features, including Cesium OSM Buildings, underground visualization, and smart construction, plus planned development.

Kevin Ring of Cesium talks about the development of CesiumJS and the recent release of Cesium OSM Buildings.

Gabby Getz discusses how Cesium is supporting the digital transformation of the construction industry through our Smart Construction work with Komatsu.

Cesium helps the James Martin Center for Nonproliferation Studies ("CNS") gain more insights from their 3D data through visualization and analysis, and make those insights easier to share with journalists, policymakers, and the public.

glTF 2.0 models, physics-based rendering (PBR), and streaming massive 3D datasets with 3D Tiles in STK and Cesium.

A look at the latest advancements in visualizing massive 3D geospatial data over the past year from the popular open source CesiumJS project, 3D Tiles, and the surrounding Cesium ecosystem.

Explore the benefits of 3D visualization, including an intuitive understanding of data and the need for 3D due to modern data collection techniques.

Why Cesium is a great platform for autonomous driving, including streaming massive point clouds and photogrammetry models with open standards and fusing time dynamic data for visualizations in CesiumJS.

How Cesium’s open-core platform is used for visualizing the huge influx of data captured by drones across industries such as construction management, agriculture, and home inspection.

A look at some of the latest geospatial applications using the Cesium ecosystem, and an update on Cesium news from the past year.

The latest news for CesiumJS. To see a video of the presentation, see the full session recording.

Automate data integration using 3D Tiles. To see a video of the presentation, see the full session recording.

Using Cesium geometry in browser based apps. To see a video of the presentation, see the full session recording.

A presentation about 3D formats with Esri products, including I3S and 3D Tiles. To see a video of the presentation, see the full session recording.

Yearly Cesium update at SIGGRAPH, emceed by Patrick Cozzi and including presentations from the Cesium team, Mozilla, Esri, Safe Software, and Toyota Research Institute. Individual slides available below.

Cesium State of the Union. Gabby Getz, Cesium

A-Terrain for A-Frame. Anselm Hook, Mozilla

3D Formats: I3S, 3D Tiles, and Beyond. Tamrat Belayneh, Esri

3D Tiles with FME. Dmitri Bagh, Safe Software

Applications in Autonomous Driving. Vangelis Kokkevis, Toyota Research Institute

A broad update on 3D Tiles for the OGC community.

A broad update 3D Tiles, including ecosystem growth, compression, analytics, and time-dynamic point clouds for autonomous driving.

Tips from the Cesium experience for creating a healthy community around your open source project.

Using 3D Tiles to visualize different datasets together in unique ways.

Overview of what it means to be 3D and why most mapping engines labelling themselves as 3D are actually 2.5D.

An overview of why 3D Tiles is perfect for streaming and rendering massive CityGML datasets and the Cesium 3D Tiling Pipeline.

The importance of open source software and how to promote the development of an open source community through lessons learned from Cesium.

Why Cesium is a great platform for autonomous driving simulation, including streaming massive point clouds and photogrammetry models using 3D Tiles, and rendering individual agents with glTF.

A high level overview of the Cesium team's experience integrating with Google Earth Enterprise.

Explore the benefits of 3D visualization, including an intuitive understanding of data and the need for 3D due to modern data collection techniques.

An overview of 3D Tiles and the current state of 3D geospatial data.

Overview of what it means to be 3D and why most mapping engines labelling themselves as 3D are actually 2.5D.

An update on new Cesium features, the Cesium community, 3D Tiles and 3D Tiles Next

A summary of shadow techniques and their implementation in Cesium.

Introduction to data acquisition, use cases, and rendering techniques for massive models.

Using Cesium to visualize satellite and weather data at NASA Goddard.

How open soure and open standards are used to make the NORAD Tracks Santa application.

A high-level overview of 3D Tiles and its rapidly growing ecosystem.

An update on 3D Tiles for the OGC community, presented at the 3DIM DWG, Point Cloud DWG, and 3DPS SWG.

Guest presentation by Bentley.

Kicking off the yearly Cesium update at SIGGRAPH, followed by:

Publishing Reality Meshes to Web from Bentley ContextCapture using Cesium 3D Tiles. Makai Smith, Bentley

Baking AO in the glTF Pipeline. Gary Li, Cesium

Making Drone Data Useful in Cesium. Chris Cooper, Propeller

3D Tiles and OGC's 3D Portrayal service standard. Ralf Gutbell, Fraunhofer

Visualizing Geostationary Satellite Orbits in Cesium. Ed Mackey, Analytical Graphics, Inc.

Guest presentation by Propeller.

An update on new Cesium features and 3D Tiles for the cartography community.

An update on new Cesium features and 3D Tiles for the WebGL community.

90-minute comprehensive technical introduction to 3D Tiles, including LOD approaches and tile formats.

Guest presentation by Fraunhofer.

How Cesium and 3D Tiles can be used to visualize OSM in 3D and gain new insights into the structure of OSM.

Actionable advice on how to start and grow an open-source project based on our experience with Cesium.

3D Tiles motivation, adoption, and technical deep dive.

The closed-to-open source success story of the movement from Google Earth to Cesium, including technical differences.

The motivation for 3D Tiles and the state of the emerging 3D Tiles ecosystem.

Open-source communities, why contribute, how to contribute, open standards, and licenses. Based on our experience with Cesium.

Introduction to Cesium in the face of Google Earth deprecation.

An overview of the Cesium teams efforts to create open standards and specifications for massive 3D geosptial visualization on the web.

An update on two Khronos standards used by Cesium: WebGL and glTF.

Advice based on porting several projects from Google Earth to Cesium. One of the projects, the Hiroshima Archive, also won The Best Cutting Edged Map prize at FOSS4G 2015.

Yearly Cesium update at SIGGRAPH, including presentations from AGI, NICTA, and mousebird consulting.

Cesium State of the Union, Matthew Amato, AGI

Community Demos, Hannah Pinkos, AGI

Using Cesium Terrain in a Native Mobile Toolkit, Steve Gifford, Mousebird Consulting

Cesium at NICTA, Kevin Ring, NICTA

3D Tiles, Patrick Cozzi, AGI

A birds-eye introduction to Cesium with a focus on demos and 3D Tiles.

The latest news on glTF and the upcoming mesh compression extension.

Best practices for large-scale JavaScript and WebGL development based on over four years experience developing Cesium.

A general overview of both Cesium and WebGL game development.

Overview of Cesium with emphasis on time-dynamic capabilities. Lots of demos.

3D on the Web in general, Cesium in particular. Mostly demos.

Overview of Cesium with recent demos.

Overview of Cesium with recent demos.

WebGL; trends in open data and data acquisition; and streaming and rendering massive geospatial datasets.

The latest news on Cesium related to the open-source geospatial community, including OL3/Cesium integration.

A tour of Cesium Sandcastle and live coding to create a Cesium app to load GeoJSON, CZML, glTF, terrain, and imagery.

Yearly Cesium update at SIGGRAPH, including presentations from AGI, NICTA, and Camptocamp.

NORAD Tracks Santa, Patrick Cozzi, AGI

Space Situational Awareness, Alex Wood, AGI

National Map, Keith Grochow, NICTA

Doarama and cesium-blockworld, Chris Cooper, NICTA

OpenLayers 3 & Cesium Integration, Emmanuel Belo, Camptocamp

A birds-eye introduction to Cesium with a focus on data sources and terrain.

An introduction to open-standards and open-formats in Cesium and a call for open-standards for high-performance visualization of massive geospatial datasets.

The design rationale of glTF, which is used in Cesium for 3D models.

Presents more details of the Cesium terrain engine, plus server-side terrain processing.

Presents challenging implementation details in Cesiums terrain engine.

An informal Birds of a Feather (BOF) session presenting an overview of Cesium, user apps, and future plans.

Presents the approach used to eliminate z-fighting in Cesium.

Rendering techniques for filling cracks between LODs, filling holes at the poles, and avoiding z-fighting that we developed in the early Cesium days.

Our thoughts on learning WebGL for those that already know OpenGL, based on our experience with Cesium.

Not strictly about Cesium, but about virtual globes in general. Written by two Cesium contributors, Patrick Cozzi and Kevin Ring. They also taught a COM.Geo course based on the book.