light9: nodes/gamma.py comparison

Initial revision

comparison

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--1:000000000000
+:45b12307c695
+"""node that performs a simple gamma (exp) function on its input"""
+class GammaOps(Ops):
+def started(self, input, output, stateaccess):
+self.startmeup(stateaccess)
+def changed(self, input, output, stateaccess):
+port.output = port.input ** stateaccess.gamma + stateaccess.offset
+stateaccess.lastvalue = State.FloatingPoint(port.input)
+output = gamma(input)
+# no timed function
+def startmeup(self, stateaccess):
+# whatever
+pass
+class Gamma(Node):
+def __init__(self):
+Node.__init__(self)
+self.node_params = {'gamma':State.FloatingPoint,'offset':State.FloatingPoint}
+self.ops = GammaOps()
+def getnodeparams(self):
+return self.node_params
+def getports(self):
+return (Port('a', optional=1),
+Port('b'))
+def __str__(self):
+return "3"
+world.register_node(Gamma)

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