Author Topic: _union (no boundary way)  (Read 1757 times)

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Q1241274614

  • Guest
_union (no boundary way)
« on: February 14, 2014, 10:21:44 AM »
Many point Union

GP

  • Newt
  • Posts: 83
  • Vercelli, Italy
Re: _union (no boundary way)
« Reply #1 on: February 14, 2014, 10:57:22 AM »

Q1241274614

  • Guest
Re: _union (no boundary way)
« Reply #2 on: February 14, 2014, 11:09:46 AM »
thank ! bu I think no region way.With mathematical method


DEVITG

  • Bull Frog
  • Posts: 481
Re: _union (no boundary way)
« Reply #3 on: February 17, 2014, 08:36:28 AM »
So you need the union , not by region and union?

You need to get it by math, or just not to USE REGION and UNION?

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Q1241274614

  • Guest
Re: _union (no boundary way)
« Reply #4 on: February 17, 2014, 09:17:59 AM »
Preliminary algorithm is to get the convex hull of any point, then in accordance with the LWPOLYLINE1 point of order, if LWPOLYLINE1 and LWPOLYLINE2 have intersection, turn to LWPOLYLINE2 point, according to LWPOLYLINE2, if LWPOLYLINE2 and LWPOLYLINE1 have intersection, turn to LWPOLYLINE1 point, return to the origin.