Digital maps provided via websites, mobile apps, in-car navigation systems, etc. include features to provide route guidance. Currently, such maps compute routes based on parameters such as travel time, cost, transport mode, type of roadway, etc. This disclosure describes techniques that enable digital map applications to provide routing information based on expected exposure to sunlight along the route. The sunlight exposure information can be displayed to users and utilized in route selection to minimize or maximize sunlight exposure depending on travel parameters. For example, higher sunlight exposure may be preferred by users who drive vehicles with solar panels while lower sunlight exposure may be preferred by users who walk to their destination.
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Turner, Joseph, "Route Selection Based On Sunlight Exposure", Technical Disclosure Commons, (November 18, 2020)