(n)certainties – Columbia – Fall 2008

Ulimatly, this script will group a field of points in sets of three based on distance. Right now it only finds the point farthest from the point cluster’s center, then finds its closest neighbors.

Option Explicit
‘Script written by <mathew staudt>
‘Script copyrighted by <no>
‘Script version Wednesday, October 01, 2008 1:47:11 PM

Call Main()
Sub Main()
 Dim ObjPoints, arrPoints(), i, j, k, L,p
 Dim arrBBox, arrCntrPt
 Dim DblDistTest, WinningDist, WinnerPt, lineTest
 Dim WinnTri, WinnTriLength, lineTestLength, WinTriPoints
 
 
 
 ”Get Points
 ObjPoints = Rhino.GetObjects (“Select Your Shit Slinging Robots”, 1)
 For i=0 To Ubound(ObjPoints)
  ReDim Preserve arrPoints(i)
  arrPoints(i)= Rhino.PointCoordinates (ObjPoints(i))
 Next
 
 ”Find Center Of Points
 
 arrBBox = Rhino.BoundingBox(ObjPoints)
 arrCntrPt = array((((arrBBox(2)(0)) + (arrBBox(0)(0))) / 2), (((arrBBox(2)(1)) + (arrBBox(0)(1))) / 2), (((arrBBox(0)(2)) + (arrBBox(4)(2))) / 2))
 Rhino.addsphere arrCntrPt, 5
 
 ”Find Point Furthest From Center
 
 For p=0 To Ubound(arrPoints)
  DblDistTest = Rhino.Distance (arrCntrPt, arrPoints(p))
  If DblDistTest > WinningDist Then
   WinningDist = DblDistTest
   WinnerPt = arrPoints(p)
   
  End If
 Next
 Rhino.addsphere WinnerPt, 5
 
 
 
 
 
 ”Find Smallest Triangel From Winning Point
 WinningDist = 500
 WinnTriLength = 500
 
 For j=0 To Ubound (arrPoints)
  If Rhino.PointCompare (WinnerPt, arrPoints(j)) = False Then
   For k=j To Ubound (arrPoints)
    If k<>j And Rhino.PointCompare (WinnerPt, arrPoints(k)) = False Then
     If j = 0 Then
      WinnTri = Rhino.AddPolyline (Array(WinnerPt,arrPoints(j), arrPoints(k),WinnerPt))
      WinnTriLength = Rhino.CurveLength(WinnTri)
     Else
      lineTest = Rhino.AddPolyline (Array(WinnerPt, arrPoints(j), arrPoints(k),WinnerPt))
      lineTestLength = Rhino.CurveLength(lineTest)
      If lineTestLength < WinnTriLength Then
       ’Rhino.DeleteObject (WinnTri)
       WinnTriLength = lineTestLength
       WinnTri = lineTest
      Else
       ’Rhino.DeleteObject (lineTest)
      End If
     End If
    End If
   Next
  End If
 Next

 
   
   
 WinTriPoints = Rhino.PolylineVertices (WinnTri)
 For i=0 To Ubound (WinTriPoints)-1
  Rhino.AddSphere WinTriPoints(i), 2
 Next
 

 
 
   
   
      
 
End Sub