Exploring Parallel Coordinates Plots in Virtual Reality

Tadeja, Sławomir K.; Kipouros, Timoleon; Kristensson, Per Ola

doi:10.1145/3290607.3313068

Cited by 21 publications

(41 citation statements)

References 17 publications

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“…Our approach, first described in Tadeja et al, 4 differs from other attempts in several key ways. First, we denote values in each dimension with interactive volumetric objects (i.e., unit-size cubes) that automatically highlight the item under the user's gaze in order to signal that they can be interactive.…”

Section: A 3-dimensional and Immersive Parallel Coordinatesmentioning

confidence: 99%

“…26 In addition, users can freely move within and maneuver in the 3D space to explore all parts of the visualization. 4 Furthermore, our system augments the pattern identification task with 3D scatter plots, [4][5][6] that can substantially aid users in isolating groups of data items that can potentially form patterns.…”

Section: A 3-dimensional and Immersive Parallel Coordinatesmentioning

confidence: 99%

“…As a result of the many controllable and uncontrollable parameters, we have adopted an iterative process of first building an early system that provided direct transplantation of PCP to VR. This early design was then used to carry out qualitative user studies (partially described in a previous poster publication Tadeja et al 4 ), briefly outlined in subsection III B. We use the information distilled from the user study along with knowledge of the tasks, expert advice, and technical constraints to arrive at a set of design principles (see III E), which guide our task analysis in III F. In the task analysis we break down each task into functions and translate each function into a solution based on technical constraints, expert advice and information gathered from the qualitative user study.…”

Section: A Overviewmentioning

confidence: 99%

“…We use the information distilled from the user study along with knowledge of the tasks, expert advice, and technical constraints to arrive at a set of design principles (see III E), which guide our task analysis in III F. In the task analysis we break down each task into functions and translate each function into a solution based on technical constraints, expert advice and information gathered from the qualitative user study. 4…”

Section: A Overviewmentioning

confidence: 99%

“…To this end we present the design of our VR-based IPCP system that is supported by a series of formative studies. A description of the first thereof which briefly discusses the observational user study, results of which we used to trim the vast design space, can be found in Tadeja et al 4 The underpinning VR system that included the basis of interaction techniques i.e. the gaze-tracking and racy tracing facilitated by a cross-hair was discussed in Tadeja et al 5,6 and is built based on the Unity VR Samples Pack 7 that utilizes the well-know concept of a cross-hair to simulate the user's gaze (for instance, see orange circle in Fig.…”

Section: Introductionmentioning

confidence: 99%

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IPCP: Immersive Parallel Coordinates Plots for Engineering Design Processes

Tadeja

Kipouros

Kristensson

2020

AIAA Scitech 2020 Forum

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Computational engineering design methods and tools are common practice in modern industry. Such approaches are integral in enabling designers to efficiently explore larger and more complex design spaces. However, at the same time, computational engineering design methods tend to dramatically increase the number of candidate solutions that decision-makers must interpret in order to make appropriate choices within a set of solutions. Since all candidate solutions can be represented in digital form together with their assessment criteria, evaluated according to some sort of simulation model, a natural way to explore and understand the complexities of the design problem is to visualize their multidimensional nature. The task now involves the discovery of patterns and trends within the multidimensional design space. In this work, we aim to enhance the design decision-making process by embedding visual analytics into an immersive virtual reality environment. To this end, we present a system called IPCP: immersive parallel coordinates plots. IPCP combines the well-established parallel coordinates visualization technique for high-dimensional data with immersive virtual reality. We propose this approach in order to exploit and discover efficient means to use new technology within a conventional decision-making process. The aim is to provide benefits by enhancing visualizations of 3D geometry and other physical quantities with scientific information. We present the design of this system, which allows the representation and exploration of multidimensional scientific datasets. A qualitative evaluation with two surrogate expert users, knowledgeable in multidimensional data analysis, demonstrate that the system can be used successfully to detect both known and previously unknown patterns in a real-world test dataset, producing an early indicative validation of its suitability for decision support in engineering design processes.

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Section: A 3-dimensional and Immersive Parallel Coordinatesmentioning

confidence: 99%

Section: A 3-dimensional and Immersive Parallel Coordinatesmentioning

confidence: 99%

Section: A Overviewmentioning

confidence: 99%

Section: A Overviewmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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IPCP: Immersive Parallel Coordinates Plots for Engineering Design Processes

Tadeja

Kipouros

Kristensson

2020

AIAA Scitech 2020 Forum

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AeroVR: An immersive visualisation system for aerospace design and digital twinning in virtual reality

2020

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One of today’s most propitious immersive technologies is virtual reality (VR). This term is colloquially associated with headsets that transport users to a bespoke, built-for-purpose immersive 3D virtual environment. It has given rise to the field of immersive analytics—a new field of research that aims to use immersive technologies for enhancing and empowering data analytics. However, in developing such a new set of tools, one has to ask whether the move from standard hardware setup to a fully immersive 3D environment is justified—both in terms of efficiency and development costs. To this end, in this paper, we present AeroVR—an immersive aerospace design environment with the objective of aiding the component aerodynamic design process by interactively visualizing performance and geometry. We decompose the design of such an environment into function structures, identify the primary and secondary tasks, present an implementation of the system, and verify the interface in terms of usability and expressiveness. We deploy AeroVR on a prototypical design study of a compressor blade for an engine.

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Digital Twin Assessments in Virtual Reality: An Explorational Study with Aeroengines

Tadeja

Seshadri

et al. 2020

2020 IEEE Aerospace Conference

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We present an immersive environment where Virtual Reality (VR) is used to visualize the performance of a fleet of aircraft engines. Our virtual environment uses 3D geometric computer-aided design (CAD) models of the engines paired with performance maps that characterize their nominal working condition. These maps plot pressure ratio and efficiency as a function of shaft speed and inlet flow capacity for the numerous engine sub-systems. Superimposed on these maps is the true performance of each engine, obtained through real-time sensors. In this bespoke virtual space, an engineer can rapidly analyze the health of different engine sub-systems across the fleet within seconds. One of the key elements of such a system is the selection of an appropriate interaction technique. In this paper we explore the potential of interaction methods supported by a combination of gaze-tracking and hand-tracking achieved via an additional sensor attached to the front of the VR headset, with no need for the user to hold a controller. We report on an observational study with a small number of domain-experts to identify usability problems, spot potential improvements, and gain insights into our design interaction capabilities. The study allows us to trim the design space and to guide further design efforts in this area. We also analyze qualitative feedback provided by the end-users and discuss the lessons learned during the design, implementation, verification and validation of the system.

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Exploring Parallel Coordinates Plots in Virtual Reality

Cited by 21 publications

References 17 publications

IPCP: Immersive Parallel Coordinates Plots for Engineering Design Processes

IPCP: Immersive Parallel Coordinates Plots for Engineering Design Processes

AeroVR: An immersive visualisation system for aerospace design and digital twinning in virtual reality

Digital Twin Assessments in Virtual Reality: An Explorational Study with Aeroengines

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