RasterLayer
Welcome
This platform demonstrates best practices for visualizing large raster files on the web. Explore different formats and techniques used in modern geospatial applications.
Workshop Duration: 5 hours
Topics: COG, TIFF, XYZ Tiles, MBTiles
Demonstrations
Cloud Optimized GeoTIFF (COG)
Experience fast, efficient raster loading with HTTP range requests, internal tiling, and overviews.
View Demo →Unoptimized TIFF (Slow)
See the performance difference with a non-tiled, uncompressed TIFF. Compare loading times with COG.
View Demo →XYZ Tile Pyramid
Explore pre-generated tile pyramids - the standard for web mapping. Perfect for CDN delivery.
View Demo →MBTiles (Offline Format)
Learn about MBTiles - SQLite containers for offline tile storage and mobile applications.
Learn More →
Data Source: Sentinel-2 imagery
Location: Israel (Tile 37RGJ)
Date: November 21, 2025