orderBackward

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Jeffrey Trevino

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Nov 21, 2011, 8:56:44 PM11/21/11
to athenacl
Hi there,

I was trying to learn how to use the orderBackward object today, but it looks like the sample arguments in the version of the manual I've got aren't right - it just says:

Sample Arguments: ob

and then the example is,

randomUniform, (breakPointLinear, event, loop, ((0,0.5),(120,0))), (breakPointLinear, event, loop, ((0,0.5),(120,1))) orderBackward

This would make it one of two (orderRotate is the other) objects that just appears after the other arguments, without a comma. Is this right?

learning bit by bit,
Jeff

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Jeff Treviño
PhD Candidate in Music Composition
@ the University of California, San Diego
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E-mail: jeffrey...@gmail.com
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christopher ariza

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Nov 22, 2011, 8:20:20 AM11/22/11
to athe...@googlegroups.com

orderBackward; i see the confusion!

this is not a normal (generator) ParameterObject: this is a Filter ParameterObject, which means that it transforms the output of another data stream (from a Texture). Filter ParameterObjects are used mostly in TextureClones, where you set up an object to transform the output of another TextureInstance.

in general, all arguments for ParameterObjects are comma separated. this remains true in this case. the confusion is in the presentation in the docs: i am showing the generator (a randomUniform PO) and then the transformer (orderBackward). orderBackward has no arguments but its name.

the best way to test out filter POs at first is to use the TPmap command. here i select a filter parameter object generate 20 events. the filter PO is orderBackward; the generator PO is ordered cyclic output of 5 values increasing values.

pi{}ti{} :: tpmap
select a library: Generator, Rhythm, or Filter. (g, r, f): f
number of events: 20
enter a Filter ParameterObject argument: ob
enter a Generator ParameterObject argument: bg,oc,(1,2,3,4,5)
basketGen, orderedCyclic, (1,2,3,4,5)
orderBackward

the graphic output shows first the source generator and then the transformed values.


ath2011.11.22.08.15.22.png
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