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IEEE Computer Graphics and Applications

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https://www.readbyqxmd.com/read/28320647/the-case-for-teaching-computer-graphics-with-webgl-a-25-year-perspective
#1
Ed Angel
OpenGL has been the standard API for teaching computer graphics. There are now multiple versions of the standard, including WebGL. which is the JavaScript implementation of OpenGL ES 2.0. The author argues that WebGL is the version best suited for an introductory course in computer graphics.
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28320646/strad-wheel-web-based-library-for-visualizing-temporal-data
#2
Diana Fernondez-Prieto, Carol Naranjo-Valero, Jose Tiberio Hernandez, Hans Hagen
Recent advances in web development, including the introduction of HTML5, have opened a door for visualization researchers and developers to quickly access larger audiences worldwide. Open source libraries for the creation of interactive visualizations are becoming more specialized but also modular, which makes them easy to incorporate in domain-specific applications. In this context, the authors developed STRAD (Spatio-Temporal-Radar) Wheel, a web-based library that focuses on the visualization and interactive query of temporal data in a compact view with multiple temporal granularities...
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28320645/interactive-exploration-of-cosmological-dark-matter-simulation-data
#3
Aaron Scherzinger, Tobias Brix, Dominik Drees, Andreas Volker, Kiril Radkov, Niko Santalidis, Alexander Fieguth, Klaus H Hinrichs
The winning entry of the 2015 IEEE Scientific Visualization Contest, this article describes a visualization tool for cosmological data resulting from dark-matter simulations. The proposed system helps users explore all aspects of the data at once and receive more detailed information about structures of interest at any time. Moreover, novel methods for visualizing and interactively exploring dark-matter halo substructures are proposed.
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28320644/visualizing-rank-time-series-of-wikipedia-top-viewed-pages
#4
Jing Xia, Yumeng Hou, Yingjie Victor Chen, Zhenyu Cheryl Qian, David S Ebert, Wei Chen
Visual clutter is a common challenge when visualizing large rank time series data. WikiTopReader, a reader of Wikipedia page rank, lets users explore connections among top-viewed pages by connecting page-rank behaviors with page-link relations. Such a combination enhances the unweighted Wikipedia page-link network and focuses attention on the page of interest. A set of user evaluations shows that the system effectively represents evolving ranking patterns and page-wise correlation.
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28320643/expanding-research-methods-for-a-realistic-understanding-of-personal-visualization
#5
Alice Thudt, Bongshin Lee, Eun Kyoung Choe, Sheelagh Carpendale
Personal visualizations have the great potential to provide the benefits of visualizations to everyone in their everyday lives. Their diverse goals combined with the personal data they contain and the contexts in which they are being used, however, make their evaluation particularly challenging and call for a wider perspective on empirical approaches. We need to devise new methods and adapt existing methods from other fields to account for the specific goals and challenges in this emerging research area. An open-minded approach to empirical methods may help us gain a more realistic understanding of personal visualizations...
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28320642/the-need-to-help-journalists-with-data-and-information-visualization
#6
Susan Reilly
As news migrates to mobile phones, media companies are turning to data visualization to wet readers' appetites for stories they can read at length on their home or work computers. Journalists are trained to write stories, not in statistics or coding, however. The big news organizations have the funds to hire computer graphics experts, but local news organizations need help.
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28320641/without-a-plan
#7
Gary Singh
Artist Frank Bonilla uses a photo editing program called ACDSee Pro in all of his digital artwork. His hundreds of colorful digital images were created in an ad lib, free style, random, and unplanned process that is adventurous and exploratory.
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/27244727/glyph-visualization-a-fail-safe-design-scheme-based-on-quasi-hamming-distances
#8
Philip A Legg, Eamonn Maguire, Simon Walton, Min Chen
In many spatial and temporal visualization applications, glyphs provide an effective means for encoding multivariate data. However, because glyphs are typically small, they are vulnerable to various perceptual errors. This article introduces the concept of a quasi-Hamming distance in the context of glyph design and examines the feasibility of estimating the quasi-Hamming distance between a pair of glyphs and the minimal Hamming distance for a glyph set. The authors demonstrate the design concept by developing a file-system event visualization that can depict the activities of multiple users...
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/27244725/visadapt-a-visualization-tool-to-support-climate-change-adaptation
#9
Jimmy Johansson, Tomasz Opach, Erik Glaas, Tina-Simone Neset, Carlo Navarra, Bjorn-Ola Linner, Jan Ketil Rod
The web-based visualization VisAdapt tool was developed to help laypeople in the Nordic countries assess how anticipated climate change will impact their homes. The tool guides users through a three-step visual process that helps them explore risks and identify adaptive actions specifically modified to their location and house type. This article walks through the tool's multistep, user-centered design process. Although VisAdapt's target end users are Nordic homeowners, the insights gained from the development process and the lessons learned from the project are applicable to a wide range of domains...
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/27244719/solid-mathematical-marbling
#10
Shufang Lu, Xiaogang Jin, Aubrey Jaffer, Fei Gao, Xiaoyang Mao
Years of research have been devoted to computer-generated 2D marbling, whereas 3D marbling has yet to be explored. The proposed mathematical marbling of 3D solids supports a compact random-access vector representation, creating solid marbling textures by composing closed-form 3D pattern tool functions. The resulting representation is feature-preserving and resolution-independent, and it consumes very little memory. To facilitate the solid-marbling texture authoring process, the authors also developed an intuitive user interface and a genetic algorithm...
March 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459676/apply-or-die-on-the-role-and-assessment-of-application-papers-in-visualization
#11
Gunther H Weber, Sheelagh Carpendale, David Ebert, Brian Fisher, Hans Hagen, Ben Shneiderman, Anders Ynnerman
Application-oriented papers provide an important way to invigorate and cross-pollinate the visualization field, but the exact criteria for judging an application paper's merit remain an open question. This article builds on a panel at the 2016 IEEE Visualization Conference entitled "Application Papers: What Are They, and How Should They Be Evaluated?" that sought to gain a better understanding of prevalent views in the visualization community. This article surveys current trends that favor application papers, reviews the benefits and contributions of this paper type, and discusses their assessment in the review process...
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459675/tiling-the-bunny-quad-layouts-for-efficient-3d-geometry-representation
#12
Marcel Campen
Ultimately, any information to be processed by computers must be represented as a plain sequence of numbers. This poses a major challenge when representing complex 3D shapes. Marcel Campen's research explores how to efficiently identify a good quad layout (a partition of a surface into simple four-sided pieces). This article shows how novel algorithmic ideas can be combined to form both automatic and interactive quad-layout generation pipelines.
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459674/what-features-can-tell-us-about-shape
#13
Tobias Schreck
3D shape representations are essential when storing shape information for natural and manmade objects. To make use of shape information, many applications require shape-processing functionality, such as for search, annotation, classification, modeling, restoration, or collection exploration. This article discusses feature-based approaches and how they can support such functionality.
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459673/physical-visualization-of-geospatial-datasets
#14
Hessam Djavaherpour, Ali Mahdavi-Amiri, Faramarz F Samavati
Geospatial datasets are too complex to easily visualize and understand on a computer screen. Combining digital fabrication with a discrete global grid system (DGGS) can produce physical models of the Earth for visualizing multiresolution geospatial datasets. This proposed approach includes a mechanism for attaching a set of 3D printed segments to produce a scalable model of the Earth. The authors have produced two models that support the attachment of different datasets both in 2D and 3D format.
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459672/surfcuit-surface-mounted-circuits-on-3d-prints
#15
Nobuyuki Umetani, Ryan Schmidt
The SurfCuit system integrates circuits into 3D prints by mounting them on the printed surface. SurfCuit does not require tedious circuit casing design or expensive setups, allowing users to build complex, highly conductive circuit patterns for consumer-level desktop fused decomposition modeling (FDM) 3D printers and thus expediting the process of circuit construction for 3D models.https://extras.computer.org/extra/mcg2017030052s1.mp4.
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459671/differential-3d-scanning
#16
Ammar Hattab, Ian Gonsher, Daniel Moreno, Gabriel Taubin
During the creative process, designers use various techniques and strategies to move from the abstract to the concrete, utilizing different physical and virtual means to represent form. The changes between virtual and physical models are not always fluent, however. Differential 3D scanning can detect the differences between a scanned model (point cloud) and a reference model (polygon mesh or CAD model) and then reflect those changes in the reference model. This can save designers time by reconstructing only the small changed regions rather than the entire object...
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459670/fabsquare-fabricating-photopolymer-objects-by-mold-3d-printing-and-uv-curing
#17
Vahid Babaei, Javier Ramos, Yongquan Lu, Guillermo Webster, Wojciech Matusik
The FabSquare system is a personal fabrication method that lets users fabricate objects by molding photopolymers inside a 3D printed mold. The molds are printed with UV-transparent materials that allow for UV curing--the polymerization and solidification of the fluid content. The molds can be repeatedly reused to fabricate identical objects or create new objects with identical geometry, but different components. Because the necessary equipment is easily obtainable and affordable, the FabSquare approach is suitable for ordinary users in nonspecialized labs, allowing them to rapidly fabricate a range of objects...
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459669/efficient-surgical-cutting-with-position-based-dynamics
#18
Iago Berndt, Rafael Torchelsen, Anderson Maciel
Simulations of cuts on deformable bodies have been an active research subject for more than two decades. However, previous works based on finite element methods and mass spring meshes cannot scale to complex surgical scenarios. This article presents a novel method that uses position-based dynamics (PBD) for mesh-free cutting simulation. The proposed solutions include a method to efficiently render force feedback while cutting, an efficient heat diffusion model to simulate electrocautery, and a novel adaptive skinning scheme based on oriented particles...
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459668/enhancing-the-gaming-experience-using-3d-spatial-user-interface-technologies
#19
Arun Kulshreshth, Kevin Pfeil, Joseph J LaViola
Three-dimensional (3D) spatial user interface technologies have the potential to make games more immersive and engaging and thus provide a better user experience. Although technologies such as stereoscopic 3D display, head tracking, and gesture-based control are available for games, it is still unclear how their use affects gameplay and if there are any user performance benefits. The authors have conducted several experiments on these technologies in game environments to understand how they affect gameplay and how we can use them to optimize the gameplay experience...
2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28459667/the-emerging-genre-of-data-comics
#20
Benjamin Bach, Nathalie Henry Riche, Sheelagh Carpendale, Hanspeter Pfister
As we increasingly rely on data to understand our world, and as problems require global solutions, we need to effectively communicate that data to help people make informed decisions. The special Art on Graphics article explores the potential of data comics and their unique ability to communicate both data and context via compelling visual storytelling.
2017: IEEE Computer Graphics and Applications
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