21 Boundaries of the Coordinate Systems SETTING THE BOUNDARIES 159.302 Use the upper-left and bottom-right coordinates to set the boundaries +x +y +x +y 0 0 (X world,Y world ) (X Device,Y Device ) Top-left: (x1, y1) Bottom-right: (x2, y2) World System of Coordinates Device System of Coordinates (X 1,y 1 ) (X 2,y 2 )
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