def blueprint(self,**kwargs):
"""
Creates a joint chain can be used for spine
"""
# create registries
self.createRegistry("regBlueprintTransform")
self.createRegistry("regBlueprintShape")
# get blueprint attributes
jointNo= int(self.blueprintAttributes["Joint number"].value)
#create module top group
rootGrp = cmds.group( n = (self.name + "Blueprint_GRP"), em = True )
jointGrp = cmds.group( n = (self.name + "BlueprintJoint_GRP"), em = True, p = rootGrp )
# create blueprinters
spineChainData = Util.createBlueprinterChain( (self.name + "SpineChainBlueprinter"), {"chainNo": jointNo})
spineChainJoints = spineChainData["jnt"]
spineChainSctls = spineChainData["sctl"]
cmds.parent(spineChainJoints[0], jointGrp)
cmds.parent(spineChainData["root"], rootGrp)
cmds.parent(rootGrp, self.rootGrp)
# store joints and controls
self.storeBlueprinterJoints( spineChainJoints )
self.storeBlueprinterControls( spineChainSctls )
# register Blueprinters
self.registerObjects(Util.createSingleArray(spineChainSctls), "regBlueprintTransform")
