VS:OffsetPoly

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.VectorScript|VectorScript ..VS:Function Reference|Function Reference ..VS:Function_Reference_Appendix|Appendix

Description

Offsets a polygon or polyline. Must handle open & closed polys. A positive distance offsets to the outside; negative to the inside. Should remove self-intersecting segments from the result. Should support "smooth" vs. "sharp" offsets.
FUNCTION OffsetPoly(
h  :HANDLE;
offsetDistance  :REAL;
numberOfOffsets  :INTEGER;
consolidateVertices  :BOOLEAN;
sharpCorners  :BOOLEAN;
conversionRes  :INTEGER;
consolidationTolerance  :REAL) : HANDLE;
def vs.OffsetPoly(h, offsetDistance, numberOfOffsets, consolidateVertices, sharpCorners, conversionRes, consolidationTolerance):
    return HANDLE

Parameters

h HANDLE
offsetDistance REAL
numberOfOffsets INTEGER
consolidateVertices BOOLEAN
sharpCorners BOOLEAN
conversionRes INTEGER
consolidationTolerance REAL

Remarks

(Orso, 2011): The routine was introduced undocumented by VW10 (2005), then made public by VW17 (2012).

OffsetPoly fails:

  • on holes, they are ignored
  • when by an offset less than 1 unit: it copies in place, instead of offsetting (tested from VW 2011 through 2014). For example:
  • Units meter, offset 1m > succeeds
  • Units meter, offset 0.9m > fails
  • Units cm, offset 1cm > succeeds
  • Units cm, offset 0.9cm > fails

Version

Availability: from Vectorworks 2012

See Also

Similar calls:
Similar calls:
  • [[VS:OffsetPolyN]]
  • [[VS:OffsetHandle]]
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