Geo ETL Engine

A web application for converting, visualizing, and managing GIS data with a modern, interactive UI.

Features

• Satellite Imagery & STAC Integration
  • Search and discover Sentinel-2 satellite data via STAC API
  • Integrated Cloud Optimized GeoTIFF (COG) rendering using ol-stac
  • Automated area-of-interest (AOI) search via interactive drawing
  • Cloud cover filtering and metadata visualization
• Import GIS files: KML, Shapefile (ZIP), GeoJSON, GPX, WKT
• Export data: GeoJSON, KML, or Shapefile
• Drawing Tools: Create points, lines, polygons, and circles
• Layer Management: Toggle visibility, remove, and organize map layers
• Advanced Context Menus: Feature attributes, WKT copy/import, buffer analysis, measurement tools
• Map Print: Export high-resolution map views as PDF or PNG
• Role-based Authentication: Demo login (admin/user), role-based UI hiding (e.g. STAC tools)
• Session Persistence: User session and token stored in localStorage
• Modern UI/UX: Glassmorphism design, animated toolbars, responsive layout
• State Management: Angular Signals for reactive state
• Performance: High-performance data visualization with OpenLayers & MapLibre
• Keyboard/Mouse Shortcuts: Double-click to finish drawing, right-click for context actions

Tech Stack

• Angular 21 (Standalone Components, Signals)
• OpenLayers
• Tailwind CSS, SCSS
• GIS libs: shpjs, @mapbox/togeojson, ol-stac

Getting Started

1. Install dependencies:

   npm install

2. Start the app:

   npm start

3. Open http://localhost:4200

Project Structure

• src/app/components/ - UI components (map, upload, download, etc.)
• src/app/services/ - Data and map services
• src/app/import-export/ - Format strategies
• src/app/helpers/
• src/app/models/
• src/app/utils/
• public/data/ - Sample GIS files

License

MIT