bufscale has rect input too - with modified bufstats weighing examples accordingly

release-packaging/Classes/FluidBufScale.sc

@@ -1,31 +1,31 @@
 FluidBufScale : UGen {
 
-    *new1 { |rate, source, destination, inputLow, inputHigh, outputLow, outputHigh, trig = 1, blocking|
+    *new1 { |rate, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, destination, inputLow = 0, inputHigh = 1, outputLow = 0, outputHigh = 1, trig = 1, blocking|
 
 		source = source.asUGenInput;
 		destination = destination.asUGenInput;
 
 		source.isNil.if {"FluidBufScale:  Invalid source buffer".throw};
 		destination.isNil.if {"FluidBufScale:  Invalid destination buffer".throw};
-		^super.new1(rate, source,  destination, inputLow, inputHigh, outputLow, outputHigh, trig, blocking);
+		^super.new1(rate, source, startFrame, numFrames, startChan, numChans, destination, inputLow, inputHigh, outputLow, outputHigh, trig, blocking);
 	}
 
-    *kr  { |source, destination, inputLow = 0 , inputHigh = 1, outputLow = 0, outputHigh = 1, trig = 1, blocking = 1| 
+    *kr  { |source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, destination, inputLow = 0, inputHigh = 1, outputLow = 0, outputHigh = 1, trig = 1, blocking = 1|
-        ^this.new1('control', source, destination, inputLow, inputHigh, outputLow, outputHigh, trig, blocking);
+        ^this.new1('control', source, startFrame, numFrames, startChan, numChans, destination, inputLow, inputHigh, outputLow, outputHigh, trig, blocking);
 	}
 
-	*process { |server, source,  destination, inputLow = 0 , inputHigh = 1, outputLow = 0, outputHigh = 1, action|
+	*process { |server, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, destination, inputLow = 0, inputHigh = 1, outputLow = 0, outputHigh = 1, action|
 	^FluidNRTProcess.new(
             server, this, action, [destination], blocking:1
 		).process(
-			source, destination, inputLow, inputHigh, outputLow, outputHigh
+			source, startFrame, numFrames, startChan, numChans, destination, inputLow, inputHigh, outputLow, outputHigh
 		);
 
 	}
 
-   *processBlocking { |server, source,  destination, inputLow = 0 , inputHigh = 1, outputLow = 0 , outputHigh = 1, action|
+   *processBlocking { |server, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, destination, inputLow = 0, inputHigh = 1, outputLow = 0, outputHigh = 1, action|
     ^process(
-	   source, destination, inputLow, inputHigh, outputLow, outputHigh
+	   source, startFrame, numFrames, startChan, numChans, destination, inputLow, inputHigh, outputLow, outputHigh
     );
 	}
 }

release-packaging/HelpSource/Classes/FluidBufScale.schelp

@@ -22,6 +22,18 @@ ARGUMENT:: server
 ARGUMENT:: source
 The index of the buffer to use as the source material to be processed.
 
+ARGUMENT:: startFrame
+	The starting point (in samples) from which to copy in the source buffer.
+
+ARGUMENT:: numFrames
+	The duration (in samples) to copy from the source buffer. The default (-1) copies the full lenght of the buffer.
+
+ARGUMENT:: startChan
+	The first channel from which to copy in the source buffer.
+
+ARGUMENT:: numChans
+	The number of channels from which to copy in the source buffer. This parameter will wrap around the number of channels in the source buffer. The default (-1) copies all of the buffer's channel.
+
 ARGUMENT:: destination
 The index of the buffer to use as the destination for the processed material.
 
@@ -52,7 +64,7 @@ b = Buffer.sendCollection(s,0.0.series(0.1,1.0))
 // and a destination buffer
 c = Buffer(s)
 // play with the scaling
-FluidBufScale.process(s,b,c,0,1,20,10)
+FluidBufScale.process(s, b, destination: c, inputLow: 0, inputHigh: 1, outputLow: 20, outputHigh:10)
 // retrieve the buffer and enjoy the results.
 c.getn(0,11,{|x|x.postln;})
 
@@ -60,7 +72,17 @@ c.getn(0,11,{|x|x.postln;})
 b = Buffer.sendCollection(s,-10.0.series(-9,10.0).scramble,2)
 b.plot.plotMode_(\points)
 //process
-FluidBufScale.process(s,b,c,-20,20,0,1)
+FluidBufScale.process(s, b, destination: c, inputLow: -20, inputHigh: 20, outputLow: 0, outputHigh:1)
 //enjoy - same shape, different range
 c.plot.plotMode_(\points)
+
+//also works with a subset of the input, resizing the output
+b = Buffer.sendCollection(s,0.0.series(0.1,3.0).reshape(3,10).flop.flat,3)
+b.plot(separately: true).plotMode_(\points)
+//process
+FluidBufScale.process(s, b, startFrame: 3,numFrames: 4,startChan: 1,numChans: 1, destination: c, inputLow: 0, inputHigh: 3, outputLow: 0, outputHigh:1)
+//enjoy
+c.plot(separately: true).plotMode_(\points)
+c.query
+c.getn(0,4,{|x|x.postln;})
 ::

release-packaging/HelpSource/Classes/FluidBufStats.schelp

@@ -234,10 +234,10 @@ FluidBufStats.process(s, b, stats:d, numDerivs:1, action:{d.getn(0,d.numFrames,{
 FluidBufStats.process(s, b, stats:d, numDerivs:1, weights: c, action:{d.getn(0,d.numFrames * d.numChannels,{|item|item.postln})});
 
 // example 2b (run the stats above)
-e = [(1..9), 0.series(-10,-80)].flop.scramble.flop; // this has negative weights, they are capped at 0, so nothing happens
+e = [(1..9), 0.series(-10,-80)].flop.scramble.flop; // this has only negative weights, so nothing happens
 // but if we scale them up
 g = Buffer(s)
-FluidBufScale.process(s,c,g,-100,0)
+FluidBufScale.process(s,c,destination: g,inputLow: -100,inputHigh: 0)
 // look at the new values - because 0->1 and -100->0 we get the same weights as example 2a
 g.getn(0,9,{|x|x.postln})
 // run the stats - same results as example 2a

release-packaging/HelpSource/Classes/FluidBufThresh.schelp

@@ -74,4 +74,6 @@ b.plot(separately: true).plotMode_(\points)
 FluidBufThresh.process(s, b,startFrame: 3,numFrames: 4,startChan: 1,numChans: 1,destination: c, threshold: 1.6)
 //enjoy
 c.plot(separately: true).plotMode_(\points)
+c.query
+c.getn(0,4,{|x|x.postln;})
 ::