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Method  | 
Description  | 
| Null constructor. If this constructor is used, one of the set functions must be called before the object can be... more | |
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Constructs an ortho-aligned rectangular clip boundary. Two diagonally opposite corners define the rectangle. Input segments that lie on the boundary... more | |
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Constructs a n convex open or closed polyline clip boundary (one or more edges). If the polyline is not closed,... more | 
| Comments? |