self.OptionParser.add_option("","--dpi",action="store",type="int",dest="dpi",default="270",help="set DPI for inkscape export")
self.OptionParser.add_option("","--invert",action="store",type="inkbool",dest="invert",default=True,help="swap to negative colors")
self.OptionParser.add_option("","--cooler"action="store",type="float",dest="cooler",default="0.0",help="set cooler temperature. 0 to disable")
self.OptionParser.add_option("","--cooleronstop"action="store",type="float",dest="cooleronstop",default=False,help="continue to cool down when finished")
self.OptionParser.add_option("","--cooler",action="store",type="float",dest="cooler",default="0.0",help="set cooler temperature. 0 to disable")
self.OptionParser.add_option("","--cooleronstop",action="store",type="float",dest="cooleronstop",default=False,help="continue to cool down when finished")