Geovisualization and GIScience

Kraak, M.J.; MacEachren, Alan M.

doi:10.1559/1523040053722123

Cited by 21 publications

(7 citation statements)

References 1 publication

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“…2 Geovisualizations are powerful tools that enable the visual exploration, analysis, synthesis, and presentation of geospatial data. 3 As a field of research, geovisualization combines methodologies from cartography and geographical information science (GIScience) with the technologies developed for GIS, image processing, computer graphics (including game development, animation, and simulation), and alternative realities. 4 The objectives of geovisualization (and, for that matter, geovisual analytics) is to provide new ways to visualize geospatial problems, revealing unknowns, the complex structures of, and relationships between geographic phenomena.…”

Section: Introductionmentioning

confidence: 99%

Modeling evacuation in institutional space: Linking three-dimensional data capture, simulation, analysis, and visualization workflows for risk assessment and communication

Lochhead

Hedley

2017

Information Visualization

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This article presents exploratory research to develop new workflows that address the challenges of adequately capturing the geometry and topology of complex institutional spaces, the analysis of prescriptive evacuation plans, and the simulation of human movement and behavior in emergency scenarios. We present a collection of geovisual analytical environments that were developed to permit new ways to view and assess risk, evacuation, and human movement. Part of this research considers how different approaches to the representation of complex institutional space, using three-dimensional capture technologies at multiple resolutions (or derived from conventional formats, such as building plans), have implicit advantages or liabilities in the analysis of risk and human evacuation. We combine three-dimensional data capture methods with geographical information science theory, three-dimensional game engines, three-dimensional evacuation simulations and spatial analyses that address the variability of campus populations, and draw upon three-dimensional modeling and photogrammetry for the assessment of real-world features in digital space. The outcome of this research demonstrates agile workflows that address emergency planning requirements, but could also enable enhanced visual analysis and interactive learning by all campus citizens. Furthermore, this work reveals key considerations and limitations associated with the dynamic nature of evacuation events and the static environments in which they have been simulated.

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Section: Introductionmentioning

confidence: 99%

Modeling evacuation in institutional space: Linking three-dimensional data capture, simulation, analysis, and visualization workflows for risk assessment and communication

Lochhead

Hedley

2017

Information Visualization

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“…Geovisualization [12,16] may be described as the intersection of many different fields, including Geographic Information Systems (GIS), 3-D scientific visualization, computer graphics, human-computer interaction and virtual reality. The long-term aim of this research is to fundamentally improve the way GIS users are able to interact with 3-D geospatial data by combining 3-D computer graphics with the emerging field of haptics.…”

Section: Motivationmentioning

confidence: 99%

Combining 3-D geovisualization with force feedback driven user interaction

Faeth

Oren

Harding

2008

Proceedings of the 16th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems

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We describe a prototype software system for investigating novel human-computer interaction techniques for 3-D geospatial data. This system, M4-Geo (Multi-Modal Mesh Manipulation of Geospatial data), aims to provide a more intuitive interface for directly manipulating 3-D surface data, such as digital terrain models (DTM). The M4-Geo system takes place within a 3-D environment and uses a Phantom haptic force feedback device to enhance 3-D computer graphics with touch-based interactions. The Phantom uses a 3-D force feedback stylus, which acts as a virtual "finger tip" that allows the user to feel the shape (morphology) of the terrain's surface in great detail. In addition, it acts as a touch sensitive tool for different GIS tasks, such as digitizing (draping) of lines and polygons directly onto a 3-D surface and directly deforming surfaces (by pushing or pulling the stylus in or out). The user may adjust the properties of the surface deformation (e.g., soft or hard) locally by painting it with a special "material color."The overlap of visual and force representation of 3-D data aides hand-eye coordination for these tasks and helps the user to perceive the 3-D spatial data in a more holistic, multi-sensory way. The use of such a 3-D force feedback device for direct interaction may thus provide more intuitive and efficient alternatives to the mouse and keyboards driven interactions common today, in particular in areas related to digital landscape design, surface hydrology and geotechnical engineering.

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“…Especially interactive and dynamic online maps will engage the user in ways to spark their attention [4]. They offer insights into geographical patterns at multiple scales and display trends over time [3,5]. Cartographers modify their map designs to meet the communication goals and the needs of the intended audience [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Challenges of Mapping Sustainable Development Goals Indicators Data

Kraak

Ricker

Engelhardt

2018

IJGI

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The global population is growing at an incomprehensible rate and with it come complex environmental consequences that often result in social injustices. The United Nations has established a set of Sustainable Development Goals (SDGs) in an attempt to ameliorate inequality and promise safety for the masses. To reach these goals, a set of indicators have been identified and their associated data for each country are publicly available to measure how close each country is to each goal. Multifaceted social and environmental processes that are difficult to understand are causing threats to these goals. Maps help reduce complexity. Now, arguably anyone with access to the Internet and time can make a map. However, not all maps are effective accurate communication vessels. Well-designed maps tell a story that truthfully represents the data available. Here we present a synthesis of the cartographic workflow pointing out specific considerations necessary when mapping SDG indicators. Along the way we illustrate the cartographic workflow as it relates to visualizing SDG indicators. Common mapping pitfalls are described and a range of suggestions to avoid them are also offered. Map makers have a unique opportunity to use these data to illuminate and communicate injustices that are documented therein to inspire creative localized solutions to eradicate inequality.

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Geovisualization and GIScience

Cited by 21 publications

References 1 publication

Modeling evacuation in institutional space: Linking three-dimensional data capture, simulation, analysis, and visualization workflows for risk assessment and communication

Modeling evacuation in institutional space: Linking three-dimensional data capture, simulation, analysis, and visualization workflows for risk assessment and communication

Combining 3-D geovisualization with force feedback driven user interaction

Challenges of Mapping Sustainable Development Goals Indicators Data

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