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1995, IEEE Computer Graphics and Applications
Scientific visualization strives to present complex concepts and data in graphic forms that maximize information gain for the viewer. In this study, we examine a well-known and highly regarded example of scientific visualization, identifying scenes where principles of graphic design, perception, and cognition suggest improvements. We focus on the identification of primary and supporting elements, provision of cues for spatial and temporal context, effective use of color, and the careful use of animation. The guidelines discussed here generalize and can be useful in a wide variety of applications.
IEEE Transactions on Visualization and Computer Graphics, 2000
The devastating power of hurricanes was evident during the 2005 hurricane season, the most active season on record. This has prompted increased efforts by researchers to understand the physical processes that underlie the genesis, intensification, and tracks of hurricanes. This research aims at facilitating an improved understanding into the structure of hurricanes with the aid of visualization techniques. Our approach was developed by a mixed team of visualization and domain experts. To better understand these systems, and to explore their representation in NWP models, we use a variety of illustration-inspired techniques to visualize their structure and time evolution. Illustration-inspired techniques aid in the identification of the amount of vertical wind shear in a hurricane, which can help meteorologists predict dissipation. Illustration-style visualization, in combination with standard visualization techniques, helped explore the vortex rollup phenomena and the mesovortices contained within. We evaluated the effectiveness of our visualization with the help of six hurricane experts. The expert evaluation showed that the illustration-inspired techniques were preferred over existing tools. Visualization of the evolution of structural features is a prelude to a deeper visual analysis of the underlying dynamics.
Proceedings of the …, 2003
TR News-Transportation Research …, 2007
The large and ever-increasing amounts of multidimensional, time-varying and geospatial digital information from multiple sources represent a major challenge for today's analysts. We present a set of visualization techniques that can be used for the interactive analysis of geo-referenced and time sampled data sets, providing an integrated mechanism and that aids the user to collaboratively explore, present and communicate visually complex and dynamic data. Here we present these concepts in the context of a 4 hour flood scenario from Lisbon in 2010, with data that includes measures of water column (flood height) every 10 minutes at a 4.5 m x 4.5 m resolution, topography, building damage, building information, and online base maps. Techniques we use include web-based linked views, multiple charts, map layers and storytelling. We explain two of these in more detail that are not currently in common use for visualization of data: storytelling and web-based linked views. Visual storyte...
Approaches to Disaster Management - Examining the Implications of Hazards, Emergencies and Disasters, 2013
Applied ergonomics, 2017
Effective design for presenting severe weather information is important to reduce devastating consequences of severe weather. The Probabilistic Hazard Information (PHI) system for severe weather is being developed by NOAA National Severe Storms Laboratory (NSSL) to communicate probabilistic hazardous weather information. This study investigates the effects of four PHI graphical designs for tornado threat, namely, "four-color"," red-scale", "grayscale" and "contour", on users' perception, interpretation, and reaction to threat information. PHI is presented on either a map background or a radar background. Analysis showed that the accuracy was significantly higher and response time faster when PHI was displayed on map background as compared to radar background due to better contrast. When displayed on a radar background, "grayscale" design resulted in a higher accuracy of responses. Possibly due to familiarity, participants reporte...
Journal of Visual Art and Design, 2020
Many flood modelings use geovisualization techniques but are very complicated and can only be understood by researchers or practitioners. There is a need for modelings that are informative and can be understood by ordinary people for the purpose of disaster mitigation. This research analyzed a flood modeling geovisualization sample to find out the extent to which aesthetic values are used in that modeling. For breaking down the modeling, an analytical approach was used as well as physioplastic, ideoplastic, and judgment analyses. Then, the modeling was evaluated through a questionnaire that was distributed using Google Forms to 40 respondents with a background as visual communication design students. The questionnaire was presented using closed questions and a visual analogue scale. The aesthetic parameters used for measuring were: lighting, color, two-dimensional field, three-dimensional field, time/motion, and sound. The evaluation results showed that the flood modeling geovisuali...
ABSTRACT Ever since the 17th century humans have turned to visualization as a means of representing numerical data. As a result, graphic representations have assisted in solving countless problems and managing disastrous circumstances in areas of health, navigation, physics and mathematics to name a few. With the continual growth of the computer age, we have rediscovered the strength of visualization and have adapted the visualization process to a digital realm.
1996
Bibliography: leaves 100-102.Information visualisation uses interactive three-dimensional (3D) graphics to create an immersive environment for the exploration of large amounts of data. Unlike scientific visualisation, where the underlying physical process usually takes place in 3D space, information visualisation deals with purely abstract data. Because abstract data often lacks an intuitive visual representation, selecting an appropriate representation of the data becomes a challenge. As a result, the creation of information visualisation involves as much exploration and investigation as the eventual exploration of that data itself. Unless the user of the data is also the creator of the visualisations, the turnaround time can therefore become prohibitive. In our experience, existing visualisation applications often lack the flexibility required to easily create information visualisations. These solutions do not provide sufficiently flexible and powerful means of both visually repre...
2011
Right now, at the beginning of the twenty-first century, there are a great number of artists working on, what could be called, projects of information visualization.“Information visualization,” as a named area of research and development, was originally an outgrowth of the pragmatics of contemporary science and engineering. Faced with huge volumes of data, scientists and engineers write computer programs to render data as images, making it possible to visually search for and scrutinize patterns in the data.
2010 14th International Conference Information Visualisation, 2010
To meet the growing demand of communicating climate science and policy research, the interdisciplinary field of climate visualization has increasingly extended its traditional use of 2D representations and techniques from the field of scientific visualization to include information visualization for the creation of highly interactive tools for both spatial and abstract data. This paper provides an initial discussion on the need and design of evaluations for climate visualization. We report on previous experiences and identify how evaluation methods commonly used in information visualization can be used in climate visualization to increase our understanding of visualization techniques and tools.
Computer graphics and interactive techniques in Austalasia and South East Asia, 2006
Hurricane Katrina has had a devastating impact on the US Gulf Coast. Forecasts of such events, coupled with timely response, can greatly reduce casualties and save billions of dollars. In our effort, we use sophisticated surface, flow and volume visu- alization techniques show the storm surge and atmospheric simula- tions simulation results superimposed with actual observations, in- cluding satellite cloud
1999
As this 15-year period draws to a close, there is a need for collecting together the results to date, organizing them, understanding the essence of this field, and providing materials for teaching. In the next period, information visualization will pass out of the realm of an exotic research specialty and into mainstream of user interface application design." (xiii) "The power of the unaided mind is highly overrated. Without external aids, memory, thought, and reasoning are all constrained. But human intelligence is highly flexible and adaptable, superb at inventing procedures and objects that overcome its own limits. The real powers come from devising external aids: it is things that make us smart" (Norman, 1993, p.43) (1) But then direct computational devises themselves become a component of an even more powerful visually based system. As our brief examination illustrates, visual artifacts aid thought; in fact, they are completely entwined with cognition action.
2021
In this work, we present several interactive visual designs for mobile visualization of severe weather events for the communication of weather hazards, their risks, uncertainty, and recommended actions. Our approach is based on previous work on uncertainty visualization [5], cognitive science [6], and decision sciences for risk management [3, 4]. We propose six configurations that vary the ratio of text vs graphics used in the visual display, and the interaction workflow needed for a non-expert user to make an informed decision and effective actions. Our goal is to test how efficient these configurations are and to what degree they are suitable to communicate weather hazards, associated uncertainty, risk, and recommended actions to non-experts. Future steps include two cycle of evaluations, consisting of a first pilot to rapidly test the prototype with a small number of participants, collect actionable insights, and incorporate potential improvements. In a second user study, we will perform a crowd-sourced extensive evaluation of the visualization prototypes.
HAL (Le Centre pour la Communication Scientifique Directe), 2012
This article comprises notes about the 2010, 14th International Conference on Information Visualization in London, UK (Proceedings, 2010), which brought together researchers, artists, and professionals from more than 30 countries. The selected themes include: information and knowledge visualization theoryvisual thinking; art, design, and aesthetics in visualization; interaction design for information visualization; virtual reality environments; information spacesweb visualization; visual analytics, data mining, geoanalytics, tags, and clouds; visualization in built and rural environments; cultural heritage knowledge visualization; visualization techniques and applications, geometric modeling and imaging; and visualization in education. Artwork presented at the Symposium and Online Digital Art Gallery DART 2010 that accompanies the IV Conference illustrates the article.
Communications in Computer and Information Science, 2021
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