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RetimeCamera.py
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RetimeCamera.py
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"""
RetimeCamera v1.2
Copyright 2015 Mark Justison
Last Revision: 31, May 2016
"""
# ################################################################
# Add to menu.py: ################################################
# import RetimeCamera ############################################
# m.addCommand('Retime Camera', 'RetimeCamera.create_RCPanel()') #
# ################################################################
import nuke
import nukescripts
class RetimeCamera(nukescripts.PythonPanel):
"""
Select a Camera and a retime node (either oflow or kronos).
retimeCamera will created a new camera with updated animation
based on the retime selected.
"""
def __init__(self, cameraNode, retimeNode):
nukescripts.PythonPanel.__init__(self, 'RetimeCamera', 'org.magpie.retimecamera')
# INSTANCE VARIABLES
global FIRST_FRAME
global LAST_FRAME
FIRST_FRAME = nuke.root().firstFrame()
LAST_FRAME = nuke.root().lastFrame()
# NODE-SPECIFIC INSTANCE VARIABLES
self.cameraNode = cameraNode
self.cameraNode_Name = cameraNode.name()
self.retimeNode = retimeNode
self.retimeNode_Name = retimeNode.name()
# RETIME METHOD VARIABLE ASSIGNMENT
# Depending on type of retime (legacy OFlow vs N9 OFlow and Kronos), these must change
if self.retimeNode.Class() == 'OFXuk.co.thefoundry.time.oflow_v100':
self.retime_OutputSpeed = 'curve(' + self.retimeNode_Name + '.timingSpeed)'
self.retime_Frame = 'curve(' + self.retimeNode_Name + '.timingFrame)'
# pulldown selection box
self.timingMethodPulldown = nuke.Enumeration_Knob('', '', ['Speed', 'Source Frame'])
else:
self.retime_OutputSpeed = 'curve(' + self.retimeNode_Name + '.timingOutputSpeed)'
self.retime_InputSpeed = 'curve(' + self.retimeNode_Name + '.timingInputSpeed)'
self.retime_Frame = 'curve(' + self.retimeNode_Name + '.timingFrame2)'
# pulldown selection box
self.timingMethodPulldown = nuke.Enumeration_Knob('', '', ['Output Speed', 'Input Speed', 'Frame'])
# CREATE KNOBS
# DIVIDERS
self.div1 = nuke.Text_Knob('div1', '', '')
self.div2 = nuke.Text_Knob('div2', '', '')
# TEXT
self.toolName = nuke.Text_Knob('', '', 'Retime Camera v1.1')
self.description = nuke.Text_Knob('', '', 'Creates a new retimed camera from ' +
self.retimeNode_Name + ' and ' +
self.cameraNode_Name + ' nodes.')
self.pulldownText = nuke.Text_Knob('', '', 'Select timing method - ')
# PULLDOWN SELECTION BOX
# keep pull-downs on same line
self.pulldownText.clearFlag(nuke.STARTLINE)
self.timingMethodPulldown.clearFlag(nuke.STARTLINE)
# add button #
self.execute = nuke.PyScript_Knob('', 'Create Retimed Camera', '')
# populate knob list #
self.knobSet = [self.toolName, self.description, self.div1,
self.pulldownText, self.timingMethodPulldown, self.div2, self.execute]
# add knobs #
for knob in range(len(self.knobSet)):
self.addKnob(self.knobSet[knob])
# add cancel button #
if self.cancelButton is None:
self.cancelButton = nuke.Script_Knob('Cancel')
self.addKnob(self.cancelButton)
# end __INIT__
def create_retimedCameraNode(self):
self.cameraNode['selected'].setValue(True)
self.retimeNode['selected'].setValue(False)
cameraCopy = self.copyNode()
cameraCopy['name'].setValue(self.rename_copiedNodeVersion(self.cameraNode))
timingMethod_String = self.timingMethodString(self.timingMethodPulldown.value())
if (timingMethod_String is not 'timingFrame') and (timingMethod_String is not 'timingFrame2'):
(self.retimeNode, timingMethod_String) = self.convert_retimeToFrame(self.retimeNode, timingMethod_String)
self.retimeNode_Name = self.retimeNode.name()
cameraCopy["rotate"].setExpression("curve(" + self.retimeNode_Name + "." + timingMethod_String + ")")
if cameraCopy["translate"].isAnimated():
cameraCopy["translate"].setExpression("curve(" + self.retimeNode_Name + "." + timingMethod_String + ")")
# verify
nuke.message(cameraCopy['name'].getValue() + " created. Retimed from " +
self.retimeNode['name'].getValue() + ".")
# end create_retimedCameraNode()
def timingMethodString(self, methodType):
"""
Takes knob variable and returns
related expression string.
"""
timingMethodString = None
if methodType == 'Frame':
timingMethodString = 'timingFrame2'
elif methodType == 'Source Frame':
timingMethodString = 'timingFrame'
elif methodType == 'Output Speed':
timingMethodString = 'timingOutputSpeed'
elif methodType == 'Input Speed':
timingMethodString = 'timingInputSpeed'
elif methodType == 'Speed':
timingMethodString = 'timingSpeed'
return timingMethodString
# end timingMethodString()
def convert_retimeToFrame(self, retimeNode, TM_String):
"""
takes retime node and method of retime used.
converts speed data to frame data and returns copy
of retime node with data set to the frame method
"""
for node in nuke.allNodes():
node['selected'].setValue(False)
retimeNode['selected'].setValue(True)
rtNodeCopy = self.copyNode()
rtNodeCopy['name'].setValue(self.rename_copiedNodeVersion(retimeNode))
if retimeNode.Class() != 'OFlow2' and retimeNode.Class() != 'Kronos':
rtNodeCopy['timing'].setValue(1)
rtNodeCopy['timingFrame'].setAnimated()
for frame in range(LAST_FRAME + 1):
rtNodeCopy['timingFrame'].setValueAt((
(frame - FIRST_FRAME) * retimeNode[TM_String].getValueAt(frame) + FIRST_FRAME), frame)
TM_String = 'timingFrame'
else:
rtNodeCopy['timing2'].setValue(2)
rtNodeCopy['timingFrame2'].setAnimated()
for frame in range(LAST_FRAME + 1):
rtNodeCopy['timingFrame2'].setValueAt((
(frame - FIRST_FRAME) * retimeNode[TM_String].getValueAt(frame) + FIRST_FRAME), frame)
TM_String = 'timingFrame2'
return (rtNodeCopy, TM_String)
# end convert_retimeToFrame()
########################
# copies selected node #
########################
# needs exception for no nodes selected
def copyNode(self):
nuke.nodeCopy('%clipboard%')
copied = nuke.nodePaste('%clipboard%')
copied.setInput(0, None)
# remove dependencies
if len(copied.dependent()) > 0:
copied.dependent()[0].setInput(0, None)
return copied
# end copyNode()
def rename_copiedNodeVersion(self, node_namedFrom):
name_forNode = None
for node in nuke.allNodes():
if node['name'].getValue().find(node_namedFrom['name'].getValue() + "_copy_") != -1:
print("found name match") # tests
vers_num = int(node['name'].getValue().split("_copy_")[1]) + 1
print(vers_num) # tests
name_forNode = node_namedFrom['name'].getValue() + '_copy_' + str(vers_num)
print(name_forNode) # tests
return name_forNode
else:
name_forNode = node_namedFrom['name'].getValue() + '_copy_1'
return name_forNode
# end rename_copiedNodeVersion()
#####################################
# check to see if a knob is changed #
#####################################
def knobChanged(self, knob):
if knob is self.execute:
self.create_retimedCameraNode()
# close panel
self.finishModalDialog(True)
# end knobChanged()
####################################
# Create RetimeCamera Dialog Panel #
####################################
def create_RCPanel():
try:
nodes = nuke.selectedNodes()
areNodes = 0
camNode = None
retimeNode = None
for node in nodes:
if (node.Class() == 'Axis2') or (node.Class() == 'Axis') or (node.Class() == 'Camera') or (node.Class() == 'Camera2'):
camNode = node
areNodes += 1
elif (node.Class() == 'Kronos') or (node.Class() == 'OFlow2') or (node.Class() == 'OFXuk.co.thefoundry.time.oflow_v100'):
retimeNode = node
areNodes += 1
if areNodes != 2:
nuke.message("please select your camera(or animated axis) and retime nodes")
return
else:
return RetimeCamera(camNode, retimeNode).showModal()
except ValueError:
nuke.message("please select your camera(or animated axis) and retime nodes")
# end create_RCPanel()