The present invention provides a method for receiving satellite images from a GPS, a cell classification step for dividing received data into orthogonal cells of a predetermined size, a cell setting step for setting a current position and a target position among the cells, and a cell of a current position. The cell selection step consists of a cell selection step of selecting cells at the shortest distance from the target position by examining adjacent cells that can be moved in a predetermined order, and a cell moving step of moving a cell of the current position to the selected cell. It provides a shortest path setting method by the GPS configured to repeat the cell selection step and the cell movement step until it is equal to a cell, so that the driver can suggest the shortest path to reach a target point, thereby improving driving convenience. It works.
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