Custom Flipbooks — NUKE Python Developer's Guide v7.0v1 documentation

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# Custom Flipbooks

This chapter describes how to customise and extend NUKE’s flipbook workflow.

## Using Tweak Software’s RV as the Default Flipbook Application

    # Copyright (c) 2010 The Foundry Visionmongers Ltd.  All Rights Reserved.
    import platform
    import sys
    import os.path
    import re
    import thread
    import nuke
    import subprocess
    import nukescripts
    import nukescripts.flipbooking as flipbooking

    class RVFlipbook(flipbooking.FlipbookApplication):
      """This is an example implementation of how to deal with implementing a
         flipbook application other than FrameCycler for NUKE. This script needs
         to be modified in several places before it can work, so please read all
         of the notes marked with TODO and modify them where necessary."""
      def __init__(self):
        # TODO: Please put your own path in here or add RV path discovery.
        self._rvPath = "/Applications/RV64.app/Contents/MacOS/RV64"

      def name(self):
        return "RV"

      def path(self):
        return self._rvPath

      def cacheDir(self):
        return os.environ["NUKE_TEMP_DIR"]

      def run(self, filename, frameRanges, views, options):
        # TODO: You probably want more involved handling of frame ranges!
        sequence_interval = str(frameRanges.minFrame())+"-"+str(frameRanges.maxFrame())
        for frame in xrange(frameRanges.minFrame(), frameRanges.maxFrame()):
          if frame not in frameRanges.toFrameList():
            print "This example only supports complete frame ranges"
            return

        os.path.normpath(filename)

        args = []
        if nuke.env['WIN32']:
          args.append( "\"" + self.path() + "\"" )
          filename = filename.replace("/", "\\")
          filename = "\"" + filename + "\""
        else:
          args.append( self.path() )

        roi = options.get("roi", None)
        if roi != None and not (roi["x"] == 0.0 and roi["y"] == 0.0 and roi["w"] == 0.0 and roi["h"] == 0.0):
          args.append("-c "+str(int(roi["x"])))
          args.append(str(int(roi["y"])))
          args.append(str(int(roi["w"])))
          args.append(str(int(roi["h"])))

        lut = options.get("lut", "")
        if lut == "linear-sRGB":
          args.append("-sRGB")
        elif lut == "linear-rec709":
          args.append('-rec709')

        args.append(filename)
        args.append(sequence_interval)

        #print args
        os.spawnv(os.P_NOWAITO, self.path(), args)

      def capabilities(self):
        return {
          'proxyScale': False,
          'crop': True,
          'canPreLaunch': False,
          'supportsArbitraryChannels': True,
          'maximumViews' : 2,
          # TODO: This list is compiled from running rv with the following:
          # RV64 -formats | grep 'format "' | awk '{print $2}' | tr '[:space:]' ','; echo
          # This may differ for your platform!
          'fileTypes' : ["j2k","jpt","jp2","dpx","cin","cineon","jpeg","jpg","rla","rpf","yuv","exr","openexr","sxr","tif","tiff","sm","tex","tx","tdl","shd","targa","tga","tpic","rgbe","hdr","iff","png","z","zfile","sgi","bw","rgb","rgba","*mraysubfile*","movieproc","stdinfb","aiff","aif","aifc","wav","snd","au","mov","avi","mp4","m4v","dv"]

        }

    flipbooking.register( RVFlipbook() )
    nukescripts.setFlipbookDefaultOption("flipbook", "RV")

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