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upwork.com 🟢 2026-05-22
🔹 Global Urban Area GIS Extraction
👤 Client: 🇳🇱 Netherlands Member since 2018-08-02
💰 Price: ****
🚩 Problem: Extraction of spatial urban boundary data from a proprietary webmap interface for offline GIS analysis.
📦 Existing: Target URL: https://citypopulation.de/en/usa/cities/
Specifications:
[Target] Global urban areas (orange/yellow polygons)
[Method] WFS service discovery or map tile scraping
[Format] .gpkg, .shp, or WFS URL
[Stack] GIS software / Python
Workflow:
1. Network analysis of webmap to identify backend WFS/WMS endpoints.
2. Spatial query of urban area layers across global extents.
3. Conversion of retrieved vector data to GeoPackage or Shapefile format.