Layer Header Attributes

Attribute	Modify	Type	Description
include Generic Object Attributes.
blockageBBox	no	bBox	Blockage bBox.
blockages	no	l_objId	List of blockage IDs that are associated with the layerHeader.
guideBBox	no	bBox	Guide bBox.
guides	no	l_objId	List of guides.
layer	no	string	Layer name.
lpps	no	l_objId	List of lpps ID that are associated with the layerHeader.
steinerBBox	no	bBox	Steiner bBox.
steiners	no	l_objId	List of steiner IDs that are associated with the layerHeader.

Layer Header attributes can be accessed as follows:

layerHeader~>objType => "layerHeader"

cv~>layerHeaders => l_layerHeaderIds / nil

lpp~>layerHeader => d_layerHeaderId / nil