Question: Draw a picture representing two lines (one with positive slope and one with negative slope) which reflect the worst case in the Cohen-Sutherland line clipping

 Draw a picture representing two lines (one with positive slope and one with negative slope) which reflect the worst case in the Cohen-Sutherland line clipping algorithm for the checking order LTRB (Left, Top, Right, Bottom). How many intersection points must be computed? ______ Display an expression for the point of intersection of the line defined by points p0 = (x0,y0) and p1 = (x1,y1) with the bottom boundary y = Ymin.

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