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Monday, April 9 • 2:45pm - 3:00pm
SYMPOSIA-07: 3D Visualization of Landscape Change Scenarios with Real-time Tangible Interaction

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AUTHORS: Payam Tabrizian, Anna Petrasova, Vaclav Petras, Helena Mitasova, Ross K. Meentemeyer – Center for Geospatial Analytics, North Carolina State University

ABSTRACT: Integrating human perception and preferences in models of landscape change enables exploration of scenarios with meaningful social dimensions. But, little progress has been made to develop decision support systems that allow experts and non-experts to collaboratively model landscape change and explore “what if” scenarios across both geospatial and experiential dimensions, such as aesthetic preferences.We developed an open-source interface that creates intuitive interaction by combining Tangible User Interfaces with realistic representations of immersive virtual environments. Our approach combines Tangible Landscape — a tangible user interface for GIS that enables multiple users to reshape physical models with real-time, feedback of a geospatial simulation — with 3D modeling software that simultaneously renders photorealistic representations of landscape change on a screen or a head-mounted display. In this presentation we demo the application’s functionality using two interactive case-studies. The first example considers a landscape design case-study wherein participants collaboratively manipulate a physical model of the terrain with their hands, and create landscape designs of vegetation plantings . Throughout interaction participants will explore feedbacks between landscape patterns of vegetation and from hydrological processes , while the 3D immersive model simultaneously simulates human-centered viewscapes of design scenarios. Our second demo explores scenarios of urbanization using the dynamic land-change model,FUTURES. Through tangible interaction, participants will prioritize locations for habitat conservation and visualize spatio-temporal projections of urban growth on the physical model, along with simultaneous 3D visualizations of human-centered viewscapes including flythrough animations of urban ecology dynamics.

Monday April 9, 2018 2:45pm - 3:00pm CDT
LaSalle 1 (7th Floor)