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I work with the Oracle JGeometry method which returns (or takes as method argument) 2D segments as double array (x1,y1,x2,y2 ... xn,yn). I need to extend this array to contain 3D segments as double array (x1,y1,z1,x2,y2,z2 ... xn,yn,zn) by default Z value or reduce to 2D (by removing of all Z coo...