Rhinoceros / Grasshopper / GHPythonで球状グリッドを作ってみる ref: http://qiita.com/jhorikawa/items/ad86e1d3f6fe45a53518

file0.txt

import ghpythonlib.components as ghcomp
import Rhino
import math

objList = []
ptList = []
for i in range(num):
    #球状に配列する
    y = i * 2 / num - 1 + (1 / num)
    r = math.sqrt(1 - y * y)
    phi = i * math.pi * (3 - math.sqrt(5));
    x = math.cos(phi) * r;
    z = math.sin(phi) * r;

    #半径に応じてスケール
    x = x * rad;
    y = y * rad;
    z = z * rad;
    position = Rhino.Geometry.Point3d(x, y, z);
    ptList.append(position)

    #オブジェクトを配置
    clone = obj.Duplicate()
    center = clone.GetBoundingBox(True).Center
    dir = Rhino.Geometry.Vector3d(position) - Rhino.Geometry.Vector3d(center)
    dir.Unitize()
    clone = ghcomp.OrientDirection(clone,center,Rhino.Geometry.Vector3d(0,0,1),position,dir)[0]

    objList.append(clone)

objs = objList
pts = ptList

file1.txt

import ghpythonlib.components as ghcomp
import Rhino
import math

objList = []
ptList = []
...

file2.txt

...

for i in range(num):
    #球状に配列する
    y = i * 2 / num - 1 + (1 / num)
    r = math.sqrt(1 - y * y)
    phi = i * math.pi * (3 - math.sqrt(5));
    x = math.cos(phi) * r;
    z = math.sin(phi) * r;
...

file3.txt

...
    #半径に応じてスケール
    x = x * rad;
    y = y * rad;
    z = z * rad;
    position = Rhino.Geometry.Point3d(x, y, z);
    ptList.append(position)

file4.txt

...
    #オブジェクトを配置
    clone = obj.Duplicate()
    center = clone.GetBoundingBox(True).Center
    dir = Rhino.Geometry.Vector3d(position) - Rhino.Geometry.Vector3d(center)
    dir.Unitize()
    clone = ghcomp.OrientDirection(clone,center,Rhino.Geometry.Vector3d(0,0,1),position,dir)[0]

    objList.append(clone)
...

file5.txt

...
objs = objList
pts = ptList