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Item EUROCRAPHICS UK 1986: Clasgow Conference(Blackwell Publishing Ltd and the Eurographics Association, 1986) Matthew, A.J.The Conference was held on the three days 24th to 26th March at Glasgow University, the first day devoted to two parallel tutorials, the second day opening the conference proper and including meetings of special interest groups and the final day consisting of submitted and invited papers.Item Polygonal Clipping of Polylines(Blackwell Publishing Ltd and the Eurographics Association, 1985) Matthew, A.J.A Fortran routine is presented for clipping a polyline to the inside or outside of a polygon, the boundary of the polygon being treated as part of the inside. There is no limitation on the number of sides of the polygon or vectors of the polyline, and no working storage is required. The polygon may have sides that intersect and vertices or sides that coincide with each other.