Importance

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Abstract

An insolation calculating device has a 3D model acquisition module to acquire a 3D model of an area around a target location to calculate insolation, a routing information acquisition module to acquire routing information about the area around the location, a main routing information extractor to acquire main routing information including a plurality of representative points from the routing information acquired by the routing information acquisition module, a sky diagram generator to generate a sky diagram at each of the representative points, the sky diagram being generated as two-dimensional image data corresponding to a shot image of the whole sky, a representative point insolation calculator to calculate representative point insolation showing insolation at each of the representative points, and a route insolation calculator to calculate insolation of each route connecting two adjacent representative points in the representative points.

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First Claim