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City of Hamburg

Practical examples

27. November 2025

Urban Model Builder: web-based platform for collaborative simulation models

The Urban Model Builder is a web-based tool for the collaborative creation, storage, publication, and use of simulation models. On a two-dimensional workspace, various graphical building blocks can be combined to form simulation models of any complexity. This creates a practical, user-friendly, and low-threshold approach to creating “what if” scenarios based on different data sets.

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30. October 2025

“Creating together” – there is more than one term for this

Co-creation and co-design are key terms used to describe collaborative formats and processes. This article aims to illustrate that the distinction between the two concepts is not strict. Rather, there are fluid transitions that can vary depending on the context and application. Based on our experience in the CUT project, criteria can be derived that can be used to classify formats within (participatory) processes. It becomes apparent that a format can rarely be clearly classified as purely co-creative or exclusively belonging to co-design. This spectrum and the corresponding classifications are illustrated by a digital tool we have developed.

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22. April 2025

3D Project Planner - urban development with perspective

The 3D Project Planner is a digital web application that enables planners in the administration to analyze construction projects in the 3D city model based on geodata and to sketch their own urban development ideas quickly and easily.

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17. April 2025

BIM-based coordination platform for major events

The “BIM-based coordination platform for major events” project is creating a shared digital environment in which cities and event organizers can better plan and coordinate big events. The use of digital twins and the BIM method is intended to make planning, communication and implementation more efficient, transparent and sustainable.

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19. February 2025

DIPAS_stories: Storytelling with maps

DIPAS_stories brings together digital citizen participation and storytelling: With DIPAS_stories, specialized maps such as noise maps, digital development plans or 3D city models can be supplemented with texts, images and videos to tell map-based stories.

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19. February 2025

DIPAS navigator: Digital citizen participation in Hamburg

The DIPAS navigator makes all of Hamburg's public participation processes that have been and are being carried out with the Digital Participation System (DIPAS) visible on a central website. DIPAS navigator provides key figures and statistics at a city-wide level and at the same time allows users to delve into individual public participation processes for spatial planning procedures.

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19. February 2025

Specialist portal for the city center - The development of city centers at a glance

The specialist portal for the city center is a digital web application with which specific specialist data relevant to urban development can be displayed, analyzed and used for exchange with various stakeholders.

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30. January 2025

“FairCare Verkehr": real-life experiment on digital tools for data collection and storytelling

The City Science Lab at HafenCity University has conducted its first real-life experiment in the CUT project on the topic of unpaid care work and mobility under the motto “FairCare Verkehr”. Two new digital tools were tested and presented: One for digital storytelling and one for data collection.

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30. January 2025

“FairCare Verkehr": Second real-life experiment on digital tools for a barrier-free city

With the "FairCare Verkehr" project, the CityScienceLab drew attention to the mobility needs of unpaid care workers. The second real-life experiment in the CUT project focused on the mobility of carers who look after physically or mentally impaired people. Information on barriers in urban spaces was collected using the mobile version of the Urban Data Collector.

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30. January 2025

"Guide to Model Land": Ethics guide to simulations in digital twins

With this guide, the City Science Lab provides a practical guide to ethical issues relating to digital (simulation) models for practical use in urban development.

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