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VAST Visual-Ambient Street Stress Tool QGIS 4 compatibility
Not QGIS 4 ready Active
Not yet — the latest version declares max QGIS version 3.99.0, so it is not offered to QGIS 4 users.
VAST (Visual-Ambient Street Stress Tool) is a QGIS plugin designed to quantify street-level environmental stress caused by excessive outdoor advertising, limited urban greenery, urban enclosure effects, and surface heat conditions. The plugin integrates multiple spatial indicators including advertising density, building enclosure ratio, canopy coverage, and land surface temperature to produce a composite Street Environment Stress Index (SESI). VAST supports evidence-based urban design and planning interventions by identifying corridors with high visual and thermal stress and recommending targeted mitigation strategies such as tree planting, advertising regulation, façade management, and cool pavement implementation. The tool is designed for applications in: 1. Urban visual pollution assessment 2. Outdoor advertising regulation and control 3. Street corridor environmental quality evaluation 4. Urban heat and shading diagnostics 5. Sustainable streetscape and public space planning
About
VAST provides an integrated spatial analysis framework to evaluate environmental stress along urban streets using geospatial indicators and composite index modelling. The plugin combines concepts from urban morphology, environmental design, spatial analytics, and urban climate research to measure how advertising clutter, street canyon morphology, vegetation deficit, and thermal conditions influence street-level environmental quality. The analysis workflow includes road segmentation, corridor buffering, spatial indicator extraction, normalization of variables, and weighted aggregation to construct the Street Environment Stress Index (SESI). Weighting schemes can be defined using expert-defined parameters or derived statistically using Principal Component Analysis (PCA). Results are produced at both segment and corridor levels, enabling planners to identify spatial hotspots of visual and thermal stress. The plugin generates multiple analytical outputs including stress index maps, corridor summaries, hotspot diagnostics, policy recommendation indicators, and visual analytics charts. VAST is intended for research, urban policy analysis, and spatial decision-support systems related to urban environmental quality, streetscape management, and advertising regulation.
| Author | Firman Afrianto, Maya Safira |
|---|---|
| Downloads | 563 |
| Latest version | 1.0.0 |
| Last updated | 2026-03-13 (216 days ago) |
| Min QGIS | 3.0.0 |
| Max QGIS | 3.99.0 |
| QGIS 4 ready | No |
| Maintenance | Active |
| Category | Spatial analysis |
| Tags | urban planning, urban analytics, spatial indicators, street design, urban heat island, advertising regulation, environmental stress, streetscape analysis, visual pollution |
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Maintenance: Active = updated within 1 year, Quiet = 1–3 years, Likely abandoned = over 3 years.