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comparison attic/Nodes/gamma.py @ 299:6931479b657a

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Make attic, move a bunch of old files to it
author David McClosky <dmcc@bigasterisk.com>
date Mon, 20 Jun 2005 18:52:21 +0000
parents Nodes/gamma.py@45b12307c695
children
comparison
equal deleted inserted replaced
298:d0f29e247af4 299:6931479b657a
1 """node that performs a simple gamma (exp) function on its input"""
2
3 class GammaOps(Ops):
4 def started(self, input, output, stateaccess):
5 self.startmeup(stateaccess)
6 def changed(self, input, output, stateaccess):
7 port.output = port.input ** stateaccess.gamma + stateaccess.offset
8 stateaccess.lastvalue = State.FloatingPoint(port.input)
9
10 output = gamma(input)
11 # no timed function
12 def startmeup(self, stateaccess):
13 # whatever
14 pass
15
16 class Gamma(Node):
17 def __init__(self):
18 Node.__init__(self)
19 self.node_params = {'gamma':State.FloatingPoint,'offset':State.FloatingPoint}
20 self.ops = GammaOps()
21
22 def getnodeparams(self):
23 return self.node_params
24
25 def getports(self):
26 return (Port('a', optional=1),
27 Port('b'))
28
29 def __str__(self):
30 return "3"
31
32 world.register_node(Gamma)