National Academies Press: OpenBook

Visualization for Public Involvement (2024)

Chapter: Glossary

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Page 48
Suggested Citation:"Glossary." National Academies of Sciences, Engineering, and Medicine. 2024. Visualization for Public Involvement. Washington, DC: The National Academies Press. doi: 10.17226/27882.
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Page 48

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Glossary 360-degree panoramic image: an interactive image with an unobstructed view in all directions from a fixed focal point. 3D animation or traffic simulation: a movie clip in which objects and characters are placed in a 3D space and manipulated to create the illusion of motion. 3D static rendering: a 2D image produced from a 3D model. 4D sequential rendering: a 3D model that has been connected to a schedule to simulate various stages of construction. Animated graphics/motion graphics: 2D animation of visual elements. Augmented reality: superimposed computer-generated image on a user’s view of the real world. Building information modeling: a process involving the generation and management of digital representations of the physical and functional characteristics of places that enables collabora- tion among different stakeholders. Conceptual sketch: simple but complete sketch concept of key aspects of a system. Drone imagery: aerial imagery captured by an unmanned aerial vehicle. Infographics: a visual presentation of information with minimal text to easily understand a topic. Photo-simulation: a photographic image that has been enhanced to simulate a design concept (before/after). QR code: a form of barcode that holds information as a series of pixels in a square-shaped grid that can be read by a digital device to quickly access information. Real-time interactive 3D: a 3D model in which the viewer can navigate through and interact within the “virtual” model environment. Video: visual media product with moving imagery and optional audio or music. Virtual reality immersive presentation: computer-generated simulation of a 3D image or environment viewed from a head-mounted immersive display, web interface, or other inter- active display. 48

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Visualization methods have long been integral to the public involvement process for transportation planning and project development. From well-established methods such as conceptual sketches or photo simulations to the latest immersive technologies, state departments of transportation (DOTs) recognize that visualizations can significantly increase public understanding of a project’s appearance and physical impacts. Emerging methods such as interactive three-dimensional environments, virtual reality, and augmented reality can dramatically enhance public understanding of transportation options and design concepts.

NCHRP Synthesis 632: Visualization for Public Involvement, from TRB's National Cooperative Highway Research Program, documents state DOT practices of visualization for public involvement throughout the life cycle of plans, programs, and projects.

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