# delete based on normal

# delete based on normal
from pymel.core import*
sl = selected()
for s in sl:
    grpNode = createNode("group",n = s+"_group")
    s.worldMesh >> grpNode.inGeometry
    deleteNode = createNode("deleteComponent",n = s+"deleteComponent")
    grpNode.outComponents >> deleteNode.deleteComponents
    grpNode.outGeometry >> deleteNode.inputGeometry
    meshNode = createNode("mesh",n = s+"mesh")
    deleteNode.outputGeometry >> meshNode.inMesh
    setAttr(s.visibility,0)
    boundingNode = createNode("boundingObject",n = s+"boundingObject")
    boundingNodeShape = listRelatives(boundingNode,p=1,s=1)
    boundingNodeShape[0].matrix >> boundingNode.inParentMatrix
    boundingNode.outParentMatrix >> grpNode.boundingObjects[0].boundParentMatrix
    boundingNode.outData >> grpNode.boundingObjects[0]
    setAttr(grpNode.componentType,2)