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Live Feedback for Training Through Real-Time Data Visualizations: A Study with League of Legends

Proceedings of the ACM on Human-computer Interaction 2022年第CHIPLAY期6卷 1–23页

作者： Rijnders, Frans Wallner, Günter Bernhaupt, Regina Department of Industrial Design Eindhoven University of Technology Eindhoven Netherlands Institute of Computer Graphics Johannes Kepler University Linz Linz Austria

With competitive gaming on the rise, players have developed an increased interest in data-driven feedback of their in-game performance. In many cases, this feedback is presented visually post-play but live companions that provide real-time analytics are gaining more and more attention. However, the design of such systems poses different requirements which have been little explored from a scholarly point of view. In this paper, we report on a study of two visualizations - a physical and digital one - providing live feedback to League of Legends players designed based on a community survey (N= 175) and expert input. We further discuss results of a qualitative evaluation with 13 players and an expert, touch upon potential benefits and drawbacks of physical and digital implementations, and present derived design considerations and challenges for such real-time data visualizations, revolving around issues of information density, contextualization, representation, and a diverse range of user needs. © 2022 ACM.

关键词： Visualization

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Light the Sprite: Pixel Art Dynamic Light Map Generation

Light the Sprite: Pixel Art Dynamic Light Map Generation

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46th Annual Conference on European Association for computer graphics, EUROgraphics 2025

作者： Nikolov, I. Computer Graphics Group Department of Architecture Design and Media Technology Aalborg University Denmark

ISBN: (纸本)9783038682684

Correct lighting and shading are vital for pixel art design. Automating texture generation, such as normal, depth, and occlusion maps, has been a long-standing focus. We extend this by proposing a deep learning model that generates point and directional light maps from RGB pixel art sprites and specified light vectors. Our approach modifies a UNet architecture with CIN layers to incorporate positional and directional information, using ZoeDepth for training depth data. Testing on a popular pixel art dataset shows that the generated light maps closely match those from depth or normal maps, as well as from manual programs. The model effectively relights complex sprites across styles and functions in real time, enhancing artist workflows. The code and dataset are here - https://***/IvanNik17/light-sprite. © 2025 The Authors.

关键词： Mapping

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Tool for Game Plot Line Visualization for designers, Testers and Players 1

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20th International Conference on Cooperative design, Visualization and Engineering, CDVE 2023

作者： Nowak, Leszek Grabska-Gradzińska, Iwona Palacz, Wojciech Grabska, Ewa Guzik, Maria Department of Information Technologies Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Krakow Poland Department of Games Technology Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Krakow Poland Department of Design and Computer Graphics Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Krakow Poland Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Krakow Poland

ISBN: (数字)9783031438158

ISBN: (纸本)9783031438141

This paper presents a tool for automatic and interactive visualization of game plots, which can be used to check whether the designers’ work meets the constraints of the world, to help testers control played game story paths. The referential designers’ game plots can be imported from any flowchart diagrams as an XML file and the actual gameplay variant is generated on the fly and applied to the original design based on detected common diagram points. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Visualization

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SGLDBench: A Benchmark Suite for Stress-Guided Lightweight 3D designs

arXiv

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arXiv 2025年

作者： Wang, Junpeng Bukenberger, Dennis R. Niedermayr, Simon Neuhauser, Christoph Wu, Jun Westermann, Rüdiger The Computer Graphics & Visualization Group Technische Universität München Garching Germany The Department of Sustainable Design Engineering Delft University of Technology Delft Netherlands

We introduce the Stress-Guided Lightweight design Benchmark (SGLDBench), a comprehensive benchmark suite to apply and evaluate material layout strategies for generating stiff lightweight designs in 3D domains. SGLDBench provides a seamlessly integrated simulation and analysis framework, providing six reference strategies accompanied by a scalable multigrid elasticity solver to efficiently execute these strategies and validate the stiffness of their results. This facilitates systematic analysis and comparison of design strategies regarding the mechanical properties they achieve. SGLDBench enables the evaluation of diverse settings of load conditions and, through the tight integration of the solver, enables support for high-resolution designs and stiffness analysis. Moreover, SGLDBench emphasizes visual analysis to explore relations between the geometric structure of a design and the distribution of stresses, providing insights into the specific properties and behaviors of different design strategies. SGLDBenchs' specific features are highlighted in several experiments, by comparing the results of reference strategies with respect to geometric and mechanical properties. © 2025, CC BY.

关键词： Stiffness

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Measuring and Modeling the Influences of Street Tree Species on Microclimate and Pedestrian Comfort 7

Measuring and Modeling the Influences of Street Tree Species...

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2022 7th International Conference on Information Science, computer technology and Transportation, ISCTT 2022

作者： Li, Yingnan Song, Zipeng Ding, Lu Liu, Tao Zhou, Zhengzhong Cheng, Kai Department of Environmental Design School of Arts Jiangsu University Zhenjiang212013 China Department of Environmental Planning Institute Seoul National University Seoul08826 Korea Republic of Department of Computer Graphics Technology Purdue University West Lafayette47907 United States Institute of Urban and Rural Mining Changzhou University Changzhou213164 China Zhenjiang Puyuan Ecological Technology Co. Ltd. Zhenjiang212000 China

ISBN: (纸本)9783800760565

Street trees are important components of urban green spaces, and their ecosystem services improve the urban thermal environment. The shade from the tree cover can create a more comfortable pedestrian space in a city with hot summer. In addition, urban microclimate analyses are becoming more and more to address the planning decision process to create liveable and healthy public spaces. However, the specific relationship between street tree species and microclimate has not been sufficiently studied in diverse urban settings. Therefore, this study took two typical "three boards and four belts" type streets in Nanjing as a study site. The research objective is to investigate how the street tree species affect microclimate and pedestrian comfort. We analyzed the microclimate variations by on-site meteorological measurement. Furthermore, the ENVI-met model was used to analyze the optimal strategies for improving the thermal environment. The human thermal comfort was evaluated by Universal Thermal Climate Index (UTCI), which can be calculated in the model. The results revealed: (1) the microclimate in the streets planted with deciduous trees can create a better thermal environment than conifers. (2) Street trees performed differently by influencing the thermal environment in streets in different directions. (3) Over-dense tree canopy may reduce the vertical air circulation, which leads to the heated air block in the pedestrian spaces. The findings of this study showed great opportunities for supporting decision-makers in improving the urban thermal environment through street greenery. © VDE VERLAG GMBH ∙ Berlin ∙ Offenbach.

关键词： Decision making

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A Streamline-guided De-Homogenization Approach for Structural design

arXiv

引用

arXiv 2022年

作者： Wang, Junpeng Westermann, Rüdiger Wu, Jun Computer Graphics and Visualization Department of Informatics Technical University of Munich Garching 85748 Germany Department of Sustainable Design Engineering Delft University of Technology Delft2628 CE Netherlands

We present a novel de-homogenization approach for efficient design of high-resolution load-bearing structures. The proposed approach builds upon a streamline-based parametrization of the design domain, using a set of space-filling and evenly-spaced streamlines in the two mutually orthogonal direction fields that are obtained from homogenization-based topology optimization. Streamlines in these fields are converted into a graph, which is then used to construct a quad-dominant mesh whose edges follow the direction fields. In addition, the edge width is adjusted according to the density and anisotropy of the optimized orthotropic cells. In a number of numerical examples, we demonstrate the mechanical performance and regular appearance of the resulting structural designs, and compare them with those from classic and contemporary approaches. Copyright © 2022, The Authors. All rights reserved.

关键词： Structural design

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Stress topology analysis for porous infill optimization

arXiv

引用

arXiv 2021年

作者： Wang, Junpeng Wu, Jun Westermann, Rüdiger Computer Graphics and Visualzation Technical University of Munich Munich Germany Department of Sustainable Design Engineering Delft University of Technology Delft Netherlands

The optimization of porous infill structures via local volume constraints has become a popular approach in topology optimization. In some design settings, however, the iterative optimization process converges only slowly, or not at all even after several hundreds or thousands of iterations. This leads to regions in which a distinct binary design is difficult to achieve. Interpreting intermediate density values by applying a threshold results in large solid or void regions, leading to sub-optimal structures. We find that this convergence issue relates to the topology of the stress tensor field that is simulated when applying the same external forces on the solid design domain. In particular, low convergence is observed in regions around so-called trisector degenerate points. Based on this observation, we propose an automatic initialization process that prescribes the topological skeleton of the stress field into the material field as solid simulation elements. These elements guide the material deposition around the degenerate points, but can also be remodelled or removed during the optimization. We demonstrate significantly improved convergence rates in a number of use cases with complex stress topologies. The improved convergence is demonstrated for infill optimization under homogeneous as well as spatially varying local volume constraints. © 2021, CC BY-NC-ND.

关键词： Stress tensor

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SGLDBench: A Benchmark Suite for Stress-Guided Lightweight 3D designs

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IEEE transactions on visualization and computer graphics 2025年 PP卷 PP页

作者： Junpeng Wang Dennis R Bukenberger Simon Niedermayr Christoph Neuhauser Jun Wu Rudiger Westermann Technische Universität München Computer Graphics & Visualization Group Garching Germany Delft University of Technology Department of Sustainable Design Engineering Delft Netherlands

We introduce the Stress-Guided Lightweight design Benchmark (SGLDBench), a comprehensive benchmark suite for applying and evaluating material layout strategies to generate stiff, lightweight designs in 3D domains. SGLDBench provides a seamlessly integrated simulation and analysis framework, including six reference strategies and a scalable multigrid elasticity solver to efficiently execute these strategies and validate the stiffness of their results. This facilitates the systematic analysis and comparison of design strategies based on the mechanical properties they achieve. SGLDBench enables the evaluation of diverse load conditions and, through the tight integration of the solver, supports high-resolution designs and stiffness analysis. Additionally, SGLDBench emphasizes visual analysis to explore the relationship between the geometric structure of a design and the distribution of stresses, offering insights into the specific properties and behaviors of different design strategies. SGLDBench's specific features are highlighted through several experiments, comparing the results of reference strategies with respect to geometric and mechanical properties.

关键词： Shape optimization

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Automatic Story Generation Based on Graph Model Using Godot Engine 19th

Automatic Story Generation Based on Graph Model Using Godot ...

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19th International Conference on Artificial Intelligence and Soft Computing, ICAISC 2020

作者： Grabska-Gradzińska, Iwona Nowak, Leszek Grabska, Ewa Department of Games Technology Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Krakow Poland Department of Information Technologies Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Krakow Poland Department of Design and Computer Graphics Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University Krakow Poland

ISBN: (纸本)9783030614003

This paper deals with storytelling aspects of computer games. A new approach to automatic story generation based on graph modelling is proposed. Godot Engine for visualization of output stories is used. In our research the plot is represented by a specific graph called the layered graph composed of story building blocks, namely layer of locations, layer of characters, layer of items, layer of narration and plot dependencies. An appropriate set of graph rules (productions) stored in JSON format is a generative tool for the building blocks. Graph rules are internal representation of actions which can be taken by the hero of the story. A sequence of the rules from start to end can describe the whole gameplay of one player or can be generated in automatic way as a possible gameplay. All such sequences of the rules create the space of all potential gameplays. Every rule corresponds to a certain animation made in Godot Engine. It allows to visualize every possible story, represented by sequence of rules, by seamless animation. Given a rule, animation is based on graphic assets corresponding to the rule nodes of the layered graph. © 2020, Springer Nature Switzerland AG.

关键词： Animation

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Creative graphic works of first-year students of Bachelors' degree of engineering educational program 2

Creative graphic works of first-year students of Bachelors' ...

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2nd International Scientific Conference on Metrological Support of Innovative Technologies, ICMSIT II-2021

作者： Mukhametzyanova, A.G. Bronskaya, V.V. Kharitonova, O.S. Department of Computer Graphics Engineering and Computer-Assisted Design Kazan National Research Technological University 68 Karl Marx Street Kazan420015 Russia Department of Chemical Process Engineering Kazan National Research Technological University 68 Karl Marx Street Kazan420015 Russia Department of Information Systems Kazan Federal University 35 Kremlyovskaya Street Kazan420008 Russia Department of Chemical Technology of Petroleum and Gas Processing Kazan National Research Technological University 68 Karl Marx Street Kazan420015 Russia

Such a form of organization of extracurricular work as a scientific circle is considered in this article. The purpose and content of the scientific circle on descriptive geometry, engineering and computer graphics are... 详细信息

关键词： computer graphics

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