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Related Experiment Video

Updated: Feb 4, 2026

Design and Construction of an Urban Runoff Research Facility
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DrainScope: Visual Analytics of Urban Drainage System.

Mingwei Lin, Zikun Deng, Qin Huang

    IEEE Transactions on Visualization and Computer Graphics
    |February 2, 2026
    PubMed
    Summary
    This summary is machine-generated.

    Urban drainage systems struggle with extreme rainfall due to outdated designs. DrainScope offers a visual analytics solution for diagnosing defects and iteratively improving these critical infrastructure systems.

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    Area of Science:

    • Environmental Engineering
    • Computer Science
    • Urban Planning

    Background:

    • Urban drainage systems face increasing challenges from extreme rainfall events due to outdated design assumptions.
    • Current analysis tools lack integrated capabilities for defect diagnosis, causal analysis, and evaluating improvement strategies.
    • Flooding, infrastructure damage, and economic losses highlight the need for advanced diagnostic approaches.

    Purpose of the Study:

    • To introduce DrainScope, a novel visual analytics approach for the comprehensive diagnosis and iterative improvement of urban drainage systems.
    • To provide tools for identifying defects, understanding their causes, and evaluating potential solutions in an integrated manner.

    Main Methods:

    • DrainScope utilizes a map view for initial defect observation and a rule-based strategy to extract critical sub-systems.
    • A novel drainage-oriented Sankey diagram visualizes internal flow dynamics to reveal defect causes.
    • The system supports flexible modification of drainage components and includes a comparison view for iterative evaluation of improvement plans.

    Main Results:

    • DrainScope enables focused analysis of defects within urban drainage systems.
    • The visual analytics approach effectively reveals the causal mechanisms behind system defects.
    • Iterative evaluation of improvement plans is facilitated through flexible modification and comparison views.

    Conclusions:

    • DrainScope represents a significant advancement as the first visual analytics approach for urban drainage system diagnosis and improvement.
    • The tool addresses limitations of conventional analysis platforms by offering integrated defect identification, causal analysis, and solution evaluation.
    • Case study evaluation and expert feedback confirm DrainScope's utility and effectiveness in addressing real-world urban drainage challenges.