Invention Grant
US08527200B2 Visual aid for assisting a user in interpreting a digital map 有权
用于辅助用户解释数字地图的视觉辅助

Visual aid for assisting a user in interpreting a digital map
Abstract:
A visual aid determination module (VADM) is described for presenting a visual aid that helps a user in interpreting a digital map. Namely, the visual aid helps the user in interpreting the relation of a currently-displayed map bounding region (MBR) to a center point of an inaccurate location region (ILR). The ILR, in turn, conveys a range of indeterminacy associated with a currently-assessed location of the user. In one case, the visual aid corresponds to a series of concentric circles. The curvature, placement, and spacing of the circles help the user determine his or her bearing with respect to the center point of the ILR.
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