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58 lines
2.2 KiB
Plaintext
58 lines
2.2 KiB
Plaintext
TITLE:: FluidBufThresh
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SUMMARY:: A Gate Processor for Buffers
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CATEGORIES:: Libraries>FluidDecomposition
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RELATED:: Guides/FluCoMa, Guides/FluidDecomposition, Guides/FluidBufMultiThreading
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DESCRIPTION::
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This class implements a simple Buffer preprocessor, by replacing values under a threshold by 0s. It is part of the LINK:: Guides/FluidDecomposition:: of LINK:: Guides/FluCoMa::. For more explanations, learning material, and discussions on its musicianly uses, visit http://www.flucoma.org/
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The process will return a buffer with the same size and shape than the original.
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STRONG::Threading::
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By default, this UGen spawns a new thread to avoid blocking the server command queue, so it is free to go about with its business. For a more detailed discussion of the available threading and monitoring options, including the two undocumented Class Methods below (.processBlocking and .kr) please read the guide LINK::Guides/FluidBufMultiThreading::.
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CLASSMETHODS::
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METHOD:: process
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This is the method that calls for the thresholding to be calculated on a given source buffer.
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ARGUMENT:: server
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The server on which the buffer to be processed is allocated.
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ARGUMENT:: source
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The index of the buffer to use as the source material to be processed.
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ARGUMENT:: destination
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The index of the buffer to use as the destination for the processed material.
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ARGUMENT:: threshold
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The threshold under which values will be zeroed
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ARGUMENT:: action
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A Function to be evaluated once the offline process has finished and indices instance variables have been updated on the client side. The metric will be passed indices as an argument.
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RETURNS::
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Nothing, as the destination buffer is declared in the function call.
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EXAMPLES::
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code::
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// make a buffer of know qualities
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b = Buffer.sendCollection(s,0.0.series(0.1,1.0))
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// and a destination buffer
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c = Buffer(s)
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// play with the threshold
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FluidBufThresh.process(s,b,c,0.5)
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// retrieve the buffer and enjoy the results.
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c.getn(0,11,{|x|x.postln;})
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// also works in multichannel - explore the following buffer
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b = Buffer.sendCollection(s,0.0.series(0.1,2.0).scramble,2)
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b.plot.plotMode_(\points)
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//process and keep just the top values
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FluidBufThresh.process(s,b,c,1.6)
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//enjoy
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c.plot.plotMode_(\points)
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::
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