“””
\n##########################################################
\nscript written by matthew miller, pablo costa & ezio blasetti
\nscript version Dec. 4, 2012
\n#########################################################
\n“””<\/p>\n
import rhinoscriptsyntax as rs
\nimport random<\/p>\n
class dlaPt():<\/p>\n
def __init__(self, POS, GUID):
\nself.pos = POS
\nself.id = GUID
\nself.fertile = True<\/p>\n
def aggregate(self, howMany, howFar, otherDlaPts, attractors, percentBack, minLength):
\nif self.fertile:
\nnewDlaPts = []
\nfor i in range(howMany):
\ncrvPts = []
\ncrvPts.append(self.pos)
\n#randomize
\nx = random.random()-0.5
\ny = random.random()-0.5
\nz = random.random()-0.5
\n#make the random vector
\nvec = rs.VectorUnitize([x,y,z])
\nrnd = random.random()
\n#adjust it to the attractors
\nadjValue = self.attractor(self.pos, attractors, howFar+2)
\n#scale it to how far
\nvec = rs.VectorScale(vec, howFar*adjValue)
\n#add it to the coordinate of your pos
\nnewPos = rs.PointAdd(self.pos,vec)
\ncrvPts.append(newPos)
\n#randomize again
\nx2 = random.uniform(-rs.VectorLength(vec)\/6,rs.VectorLength(vec)\/6)
\ny2 = random.uniform(-rs.VectorLength(vec)\/6,rs.VectorLength(vec)\/3)
\nz2 = random.uniform(-rs.VectorLength(vec)\/6,rs.VectorLength(vec)\/3)
\nnewPos4Crv = rs.PointAdd(newPos,[x2,y2,z2])<\/p>\n
crvPts.append(newPos4Crv)
\n#make the point in rhino
\nnewID = rs.AddPoint(newPos)
\n#make a line between you and the new random point
\nif rs.VectorLength (vec) > minLength:
\ncrv = rs.AddCurve(crvPts)
\n#find the closest other point in the aggregation
\ndomain = rs.CurveDomain(crv)
\nsubstr = domain[1]-domain[0]
\nuni = random.uniform(0,substr)
\nt = domain[0]+uni
\nbackPos = rs.EvaluateCurve(crv,t)
\nbackID = rs.AddPoint(backPos)
\notherPtCoords = []
\nfor otherPt in otherDlaPts:
\nif otherPt.pos != self.pos:
\notherPtCoords.append(otherPt.pos)
\nindex = rs.PointArrayClosestPoint(otherPtCoords, backPos)
\n#caclulate the distance between the new point and the closest other point
\ndistance = rs.Distance(backPos, otherPtCoords[index])
\nif distance < howFar :
\npts4OtherCrv = []
\npts4OtherCrv.append(backPos)
\n#randomize again
\nx3 = random.uniform(-howFar\/6,howFar\/6)
\ny3 = random.uniform(-howFar\/6,howFar\/6)
\nz3 = random.uniform(-howFar\/6,howFar\/6)
\npts4OtherCrv.append(rs.PointAdd(backPos,[x3,y3,z3]))
\npts4OtherCrv.append(otherPtCoords[index])
\nrs.AddCurve(pts4OtherCrv)
\nrs.DeleteObject(newID)
\nnewDlaPts.append( dlaPt (backPos , backID) )
\nself.fertile = False
\nreturn newDlaPts
\nelse:
\nreturn “empty”<\/p>\n
def attractor(self, endPt, attrs, thres):
\n# Define a new array of Attractors’ Coordinates from the Attractors’ Identifiers
\nattrCoords = attrs
\n# Calculate the closest Attractor to the Test Point
\nclosestAttrIndex = rs.PointArrayClosestPoint(attrCoords, endPt)
\nclosestAttr = attrCoords[closestAttrIndex]
\n# Calculate the Distance between the Test Point and its closest Attractor
\ndist = rs.Distance(endPt, closestAttr)
\n# Calculate the Adjustment Amount:
\n# If the Distance is less than the Threshold Then
\nif dist<thres:
\n#The Adjustment Amount will be 1 – ( ( Threshold – Distance ) \/ Threshold )
\nreturn 1-((thres-dist)\/thres)
\n#Else
\nelse:
\n#The Adjustment Amount will be 1
\nreturn 1
\n# End If
\n# End Function<\/p>\n
def Main():<\/p>\n
#get some points to make the lda starting points
\nptGUIDs = rs.GetObjects(“select some points”, rs.filter.point)
\nattractorGUIDs = rs.GetObjects(“select the attractors”, rs.filter.point)
\npercentBack = rs.GetReal(“how much back in percent 0-1”, 0.2,0,1)
\nminLength = rs.GetReal(“minimum length for curves”, 0.2)
\nattractors = []
\nfor attrGUID in attractorGUIDs:
\nattractors.append(rs.PointCoordinates(attrGUID))
\nmyDlaPts = []
\nfor ptGUID in ptGUIDs:
\ncoord = rs.PointCoordinates(ptGUID)
\nindex = rs.PointArrayClosestPoint(attractors,coord)
\ndist = rs.Distance(coord, attractors[index])
\nmyDlaPts.append( dlaPt(coord, ptGUID) )<\/p>\n
for i in range(5):
\nnewDlaPts = []
\nfor myDlaPt in myDlaPts:
\n#default recursive amount, default length
\ntempList = myDlaPt.aggregate(2, 15, myDlaPts, attractors, percentBack, minLength)<\/p>\n
if tempList != “empty”:
\nnewDlaPts.extend( tempList )
\nmyDlaPts.extend(newDlaPts)<\/p>\n
Main()<\/p>\n","protected":false},"excerpt":{"rendered":"
“”” ########################################################## script written by matthew miller, pablo costa & ezio blasetti script version Dec. 4, 2012 ######################################################### “”” import rhinoscriptsyntax as rs import random class dlaPt(): def __init__(self, POS, GUID): self.pos = POS self.id = GUID self.fertile = True def aggregate(self, howMany, howFar, otherDlaPts, attractors, percentBack, minLength): if self.fertile: newDlaPts = [] for i […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":9,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-1476","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/pages\/1476","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/comments?post=1476"}],"version-history":[{"count":6,"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/pages\/1476\/revisions"}],"predecessor-version":[{"id":1737,"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/pages\/1476\/revisions\/1737"}],"up":[{"embeddable":true,"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/pages\/9"}],"wp:attachment":[{"href":"https:\/\/www.new-territories.com\/blog\/ncertainties\/col12\/wp-json\/wp\/v2\/media?parent=1476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}