NEBULA Network-Based Urban Location Analyzer
Plugin ID: 4809
NEBULA (Network-Based Urban Location Analyzer) is a QGIS plugin designed to support evidence-based planning of urban facilities using network accessibility analysis and facility location optimization.
The plugin evaluates existing facilities, identifies underserved demand areas, and recommends optimal facility locations using classical operations research models such as the Maximum Coverage Location Problem (MCLP) and the P-Median model.
NEBULA integrates graph-based spatial analysis, demand coverage evaluation, and spatial equity diagnostics to provide robust decision-support for infrastructure planning and service allocation.
The tool supports a wide range of planning applications including:
1. Public transport stop planning
2. Healthcare and education facility allocation
3. Waste management infrastructure planning
4. Public space accessibility assessment
5. Emergency and evacuation facility placement
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NEBULA provides an integrated spatial intelligence framework for analyzing and optimizing urban facility systems based on network accessibility.
The plugin combines concepts from spatial network science, operations research, and urban planning to evaluate facility coverage, identify spatial service gaps, and generate optimized facility location scenarios.
It includes analytical diagnostics such as population coverage assessment, accessibility distance statistics, spatial equity indicators (Gini and Theil indices), and visual analytics including accessibility histograms, Lorenz curves, and facility performance charts.
NEBULA is designed for research, planning practice, and spatial decision-support systems in urban and regional planning.
