POLYEXT

POLYEXT poly, BYREF xmin, BYREF ymin, BYREF xmax, BYREF ymax

Returns the extents of the polyline poly. xmin and xmax are extents in x-direction and ymin and ymax are the extents in y-direction.

See DRAWPOLY on how to define a polyline.

Example

polygon = [ [30,50], [100,70], [120,90], [50,100], [30,50]]

polyext(polygon, PolyXmin, PolyYmin, PolyXmax, PolyYmax)

' Draw polygon and a rectangle for indicating the extents
drawpoly polygon color 12
rect PolyXmin, PolyYmin, PolyXmax, PolyYmax  color 5

ABS ABSMAX ABSMIN ACOS ACOSH ACOT ACOTH ACSC ACSCH ASEC ASECH ASIN ASINH ATAN ATAN2 ATANH ATN CEIL COS COSH COT COTH CSC CSCH DEG DERIV DETERM DIFFEQN EXP EXPRSEQ FIX FLOOR FRAC INT INTERSECT INVERSE LINEQN LOG LOG10 M3APPLY M3IDENT M3ROTATE M3SCALE M3TRANS MAX MIN POLYAREA POLYCENT POLYEXT POW PTDISTLN PTDISTSEG PTSIGN RAD RND ROOT ROUND SEC SECH SEGCOS SEGLEN SEGSIN SEQ SGN SIN SINH SQR STATMEAN STATMEANDEV STATMEDIAN STATSPREADP STATSPREADS STATSTD SUM SUMSQ TAN TANH TRANSPOSE