Checkisin

from pymel.core import *

def isIn(BoundingBox, Position):#(bb,obj):#xmin ymin zmin xmax ymax zmax.
    isInBounds = False
    if Position[0] <= BoundingBox[0] or Position[0] >= BoundingBox[3]:
        add = 0
    elif Position[1] <= BoundingBox[1] or Position[1] >= BoundingBox[4]:
        add = 0
    elif Position[2] <= BoundingBox[2] or Position[2] >= BoundingBox[5]:
        add = 0
    else:
        add=1
    if add:
        isInBounds = True
    return isInBounds

def GetSceneBounds(boundsList, doRound):#xmin ymin zmin xmax ymax zmax.
    sceneBB = [1000,1000,1000,-1000,-1000,-1000]
    for BB in boundsList:
        if BB[0] < sceneBB[0]:
            sceneBB[0] = BB[0]
        if BB[1] < sceneBB[1]:
            sceneBB[1] = BB[1]
        if BB[2] < sceneBB[2]:
            sceneBB[2] = BB[2]
        if BB[3] > sceneBB[3]:
            sceneBB[3] = BB[3]
        if BB[4] > sceneBB[4]:
            sceneBB[4] = BB[4]
        if BB[5] > sceneBB[5]:
            sceneBB[5] = BB[5]
    if doRound:
        sceneBBRounded = [0,0,0,0,0,0]
        i=0
        for BB in sceneBB:
            print round(BB)
            sceneBBRounded[i] = round(BB)
            i+=1
        return sceneBBRounded
    else:
        return sceneBB

def showBB(BB):
    newBB = BB
    c = polyCube(w=0,h=0,d=0, n = "showCube_")
    move(newBB[0]+.5,0,0, str(c[0])+".f[5]", r=1,wd=1,ws=1)
    move(0,newBB[1]+.5,0, str(c[0])+".f[3]", r=1,wd=1,ws=1)
    move(0,0,newBB[2]+.5, str(c[0])+".f[2]", r=1,wd=1,ws=1)
    move(newBB[3]-.5,0,0, str(c[0])+".f[4]",  r=1,wd=1,ws=1)
    move(0,newBB[4]-.5,0, str(c[0])+".f[1]",  r=1,wd=1,ws=1)
    move(0,0,newBB[5]-.5, str(c[0])+".f[0]",  r=1,wd=1,ws=1)
def VoxelizeFromBB(BB):
    toGrp = []
    print BB[0]+BB[3]
    for i in range(BB[0],BB[3]):
        refresh(cw=1)
        c = polyCube()[0]
        move(c, x, y, z)
        scale(c, .2,.2,.2)
        toGrp.append(c)
    parent(toGrp, tmpGrp)

class GridNode:
    def __init__(self):
        self.pos = []
        self.obj = []
        self.isActive = False

ThingsGrp = ls("ThingsGrp")[0].listRelatives(c=1)

#Bounding box objects
BoundsGrp = ls("BoundsObjs")[0].listRelatives(c=1)
BBList = []
for bounds in BoundsGrp:
    BB = xform(bounds,bb=1,q=1)
    BBList.append(BB)

sceneBB = GetSceneBounds(BBList, 0) # bb list, doRound
#sceneBBCenter = (sceneBB[0]+sceneBB[3])/2, (sceneBB[1]+sceneBB[4])/2, (sceneBB[2]+sceneBB[5])/2
showBB(sceneBB)
#VoxelizeFromBB(sceneBB)


"""
for s in ThingsGrp:
    for BB in BBList:
        boundCheck = isIn(BB,s.getTranslation())
        if not boundCheck:
            scale(s,.1,.1,.1)
        else:
            scale(s,1,1,1)
"""