02A_COSMOS_CURVES

import maya.cmds as cmds

#craeting curves through points

from math import*

numRows = 20
numColumns = 20
num3rdDimension = 1
Points=[]
for i in range(0,numRows,1):
 x = (i)
 for j in range(0,numColumns,1):
     y = j
     for k in range(-1,num3rdDimension,1):
         z = sin(k*i*j)# this will craete an undulating grid
         myPoint=(x,y,z)
         points.append(myPoint)
     cmds.curve(d=3, p=points)