Readability of a background map layer under a semi-transparent foreground layer

Luz, Saturnino; Masoodian, Masood

doi:10.1145/2598153.2598174

Cited by 14 publications

(10 citation statements)

References 18 publications

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“…One major difference there though is that when online maps are made interactive, there are other tools such as layering and zooming which can be used to provide alternative options for creating illustrated map elements. However, interactive online maps also have their own design issues, such as transparency levels and readability [14], which need to be considered carefully.…”

Section: Discussionmentioning

confidence: 99%

A Survey of the Visual Design of Cartographic and Other Elements of Illustrated Tourist Maps

Airikka

Masoodian

2019

2019 23rd International Conference in Information Visualization – Part II

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The use of tourist maps has become an important part of many people's travel experiences. Design of tourist maps is far from being a straightforward task-requiring the knowledge of cartography, visual design, and visualization. This is particularly true for Illustrated tourist maps, which are supposed to be easier to understand and use by travelers from different backgrounds due to their use of illustrations for communicating map information. Most such maps, however, are designed for better visual aesthetics than necessarily for more accurate cartographic information. This paper presents a survey of illustrated tourist maps, with the aim of identifying and categorizing their common cartographic and other illustrated elements, as well as the visual styles used to represent those elements, and the functions they provide.

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Section: Discussionmentioning

confidence: 99%

A Survey of the Visual Design of Cartographic and Other Elements of Illustrated Tourist Maps

Airikka

Masoodian

2019

2019 23rd International Conference in Information Visualization – Part II

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“…For instance, it has been argued that making side-by-side comparison of maps is not generally very effective for investigating spatial correspondence between them [30]. It has, therefore, been necessary to develop interactive techniques such as layering to deal with some of the limitations of static maps [27]. For example, Adrienko et al review interactive methods for spatio-temporal visualizations [4] and identify some of the challenges in the field [3].…”

Section: Interactive Mapsmentioning

confidence: 99%

“…Such interactive map-based interfaces need to support "information exploration and knowledge construction [...] without hypotheses about the data" and through "unencumbered search for structures and trends" [31]. In more recent years, the availability of powerful API for web-based map systems has made it possible to overlay geospatial data on interactive maps in a wide range of applications [27]. This is achieved using layers of data, which can be turned on and off to show or hide different data sets that the users are familiar with [14].…”

Section: Interactive Mapsmentioning

confidence: 99%

Temporal and Spatial Elements in Interactive Epidemiological Maps

Luz¹,

Masoodian²

2022

Preprint

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Maps have played an important role in epidemiology and public health since the beginnings of these disciplines. With the advent of geographical information systems and advanced information visualization techniques, interactive maps have become essential tools for the analysis of geographical patterns of disease incidence and prevalence, as well as communication of public health knowledge, as dramatically illustrated by the proliferation of web-based maps and disease surveillance "dashboards" during the COVID-19 pandemic. While such interactive maps are usually effective in supporting static spatial analysis, support for spatial epidemiological visualization and modelling involving distributed and dynamic data sources, and support for analysis of temporal aspects of disease spread have proved more challenging. Combining these two aspects can be crucial in applications of interactive maps in epidemiology and public health work. In this paper, we discuss these issues in the context of support for disease surveillance in remote regions, including tools for distributed data collection, simulation and analysis, and enabling multidisciplinary collaboration.

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“…An overlay of different layers is typically superior to side‐by‐side displays of the individual map layers, as already discussed by Jaques Bertin [Ber66]. Luz and Masoodian [LM14] discuss the use of a semi‐transparent foreground layer to improve the interpretability of the map‐based data. They use examples from epidemiology to discuss the appropriateness of three transparency levels depending on the background complexity.…”

Section: Commonly Used Visual Analytics Techniquesmentioning

confidence: 99%

A Survey of Visual Analytics for Public Health

Preim

Lawonn²

2019

Computer Graphics Forum

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We describe visual analytics solutions aiming to support public health professionals, and thus, preventive measures. Prevention aims at advocating behaviour and policy changes likely to improve human health. Public health strives to limit the outbreak of acute diseases as well as the reduction of chronic diseases and injuries. For this purpose, data are collected to identify trends in human health, to derive hypotheses, e.g. related to risk factors, and to get insights in the data and the underlying phenomena. Most public health data have a temporal character. Moreover, the spatial character, e.g. spatial clustering of diseases, needs to be considered for decision‐making. Visual analytics techniques involve (subspace) clustering, interaction techniques to identify relevant subpopulations, e.g. being particularly vulnerable to diseases, imputation of missing values, visual queries as well as visualization and interaction techniques for spatio‐temporal data. We describe requirements, tasks and visual analytics techniques that are widely used in public health before going into detail with respect to applications. These include outbreak surveillance and epidemiology research, e.g. cancer epidemiology. We classify the solutions based on the visual analytics techniques employed. We also discuss gaps in the current state of the art and resulting research opportunities in a research agenda to advance visual analytics support in public health.

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Readability of a background map layer under a semi-transparent foreground layer

Cited by 14 publications

References 18 publications

A Survey of the Visual Design of Cartographic and Other Elements of Illustrated Tourist Maps

A Survey of the Visual Design of Cartographic and Other Elements of Illustrated Tourist Maps

Temporal and Spatial Elements in Interactive Epidemiological Maps

A Survey of Visual Analytics for Public Health

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