StreetWeave: A Declarative Grammar for Street-Overlaid Visualization of Multivariate Data

• URL: http://arxiv.org/abs/2508.07496v1
• Date: Sun, 10 Aug 2025 21:59:20 GMT
• Title: StreetWeave: A Declarative Grammar for Street-Overlaid Visualization of Multivariate Data
• Authors: Sanjana Srabanti, G. Elisabeta Marai, Fabio Miranda,
• Abstract summary: Street and pedestrian network visualization important to urban planners, climate researchers, and health experts.<n>There is no established design framework to guide the creation of these visualizations.<n>We introduce StreetWeave, a declarative grammar for designing custom visualizations of multivariate spatial network data.
• Score: 3.4529078468373706
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The visualization and analysis of street and pedestrian networks are important to various domain experts, including urban planners, climate researchers, and health experts. This has led to the development of new techniques for street and pedestrian network visualization, expanding how data can be shown and understood more effectively. Despite their increasing adoption, there is no established design framework to guide the creation of these visualizations while addressing the diverse requirements of various domains. When exploring a feature of interest, domain experts often need to transform, integrate, and visualize a combination of thematic data (e.g., demographic, socioeconomic, pollution) and physical data (e.g., zip codes, street networks), often spanning multiple spatial and temporal scales. This not only complicates the process of visual data exploration and system implementation for developers but also creates significant entry barriers for experts who lack a background in programming. With this in mind, in this paper, we reviewed 45 studies utilizing street-overlaid visualizations to understand how they are used. Through qualitative coding of these visualizations, we analyzed three key aspects of street and pedestrian network visualization usage: the analytical purpose they serve, the visualization approaches employed, and the data sources used in their creation. Building on this design space, we introduce StreetWeave, a declarative grammar for designing custom visualizations of multivariate spatial network data across multiple resolutions. We demonstrate how StreetWeave can be used to create various street-overlaid visualizations, enabling effective exploration and analysis of spatial data. StreetWeave is available at https://urbantk.org/streetweave.

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