A new app promises to help Barcelona residents find the shadiest route between two places to avoid extreme heat.
Cool Walks, a routing tool for pedestrians first developed at a data visualisation contest, aims to show users a variety of walking routes to take for their intended destinations.
Users can choose the most direct route, a shady route that may take a little longer, or they can set the app to “vampire mode”, which avoids direct sunlight at all costs. Users can also use the app to find drinking fountains, or places to shelter from the sun.
The app uses a tool called Lidar to create high-resolution models of ground elevation, accurate
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