Elevation & Shadow Mapping

The Cartographic together with Geological Institute of Catalunya has developed a paradigm terrain explorer for their ii meter Digital Elevation Model of Catalonia. The Institute's Relief together with Shadow map, created from Lidar data, allows you lot to sentiment together with interact inwards real-time amongst a relief map of the area.

Using Relief together with Shadow you lot tin explore the DEM model of Catalonia inwards an interactive Leaflet & Mapzen powered map. The map includes an impressive tool which allows you lot to color the terrain past times pinnacle together with past times the management of the sun. This tool allows you lot to alter the appearance of the map inwards real-time past times image inside an interactive reach rose.

Using the color-picker tool amongst the interactive reach rose you lot tin pigment the terrain on the map to highlight dissimilar pinnacle information together with dissimilar directions of light. The midpoint of the reach rose represents lower elevations on the map together with the elevations acquire higher equally you lot motion to the circumference.

Relief together with Shadow is partly based on Mapzen's Sphere Map Demo. You tin larn to a greater extent than close how Mapzen developed their 'sphere maps' tool on this Mapzen Sphere Maps weblog post.