Cycling 74 » Topic: Splitting X Y Controller data http://cycling74.com/forums/topic/splitting-x-y-controller-data/feed Wed, 19 Jun 2013 14:25:53 +0000 http://bbpress.org/?v=2.2.4 http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-52557 <![CDATA[Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-52557 Sun, 03 Oct 2010 02:36:53 +0000 gusjdt Hello, I’m working with an XY controller that I’d like to be able to assign X to one parameter on Ableton Live and Y to another. Currently, any movement of the XY controller sends out data as one controller value even though I’m moving both the X and Y coordinates. I’d like to be able to have two different controller values for X and Y to be able to map parameters like X to pitch and Y to amplitude.

(In order to test with Ableton, you must select “from MaxMSP 1″ when opening the patch – then you can MIDI learn)

Here is the patch:

————-START——————-

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————-END—————-

]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189026 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189026 Sun, 03 Oct 2010 17:41:02 +0000 MIB [unpack ] ;)

]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189027 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189027 Sun, 03 Oct 2010 18:06:34 +0000 gusjdt Thanks for the suggestion MIB, but I don’t see how that would fix anything. There are already two separate outputs for X and Y coming from the XY controller so [unpack] won’t really change anything. Correct me if I’m wrong though, here’s the patch with unpack although it seems like the same signal flow to me as the last patch.

———–START————–

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]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189028 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189028 Sun, 03 Oct 2010 18:47:14 +0000 MIB I have to admit I didn’t look at the patch. My bad.
First, please use “Copy Compressed” from the edit menu when posting patches…

To your question:
I’m not sure I understand. since you are useing the pictslider object you are already getting seperate X and Y values… what is the problem? Could you be a bit more specific since I am clearly not getting it :)

– Pasted Max Patch, click to expand. –
]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189029 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189029 Sun, 03 Oct 2010 19:52:31 +0000 gusjdt Sorry about not compressing, I’ll make sure to do that.

The idea is to make it so any values coming from the X output is sent as one midi controller value and a different value for the Y output. If you have ableton live or any other software that allows midi learn from this max patch, you can see the problem.

If I move the XY controller in Max as I try to MIDI learn say.. the pitch parameter of a VST, it only comes up as one controller value (0) even though I’m moving both X and Y coordinates. It should change the controller value between 0 and 1 as I move the X and Y coordinates independently. I want to be able to just move the X coordinate (as one controller value, like 0) to MIDI learn anything that comes out of X onto ‘pitch’ then I want to just move the Y coordinate (as another controller value, like 1) to control another parameter separately such as amplitude.

I hope that makes sense, it sounds more complicated than it really is.

Thanks again.

]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189030 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189030 Sun, 03 Oct 2010 21:30:29 +0000 nnneuromodulator There’s something weird going on with your patch. I got it working the way you want, but I’m not sure how. I think there might be something buggy going on. Let me investigate further. You aren’t losing your mind, though.

]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189031 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189031 Sun, 03 Oct 2010 21:42:18 +0000 nnneuromodulator Okay, it’s not a bug, it’s the way pictslider works. It sends out both values simultaneously even if only one of them changes (that is, if you restrict your movement to one axis by hugging an edge, it still always updates both values). So it sends two CCs with every movement, and Live’s learn ability always picks one of the two. If you slap some “change” objects on the outputs of the pictsliders, to filter out repetitive values, it works.

]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189032 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189032 Sun, 03 Oct 2010 23:37:40 +0000 gusjdt Hey, that worked! Thanks very much, I didn’t quite understand how adding the ‘change’ object would fix anything (and I still am kind of confused), but it worked and was a simple fix. Thank you!

]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189033 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189033 Mon, 04 Oct 2010 00:12:16 +0000 nnneuromodulator Okay (to clear up your confusion). The problem was that whenever the pictslider is moved, it sends out two controller values. Even if you’re only moving, say, vertically, so that the X value isn’t changing, it’s still sending that X value out each time.

This is a problem for Live’s MIDI learn, because whenever you’re sending something a MIDI learn message, you really want to only be sending it one message at a time. So what happens is that the pictslider sends out its messages in proper Max timing (right to left), meaning it sends a Y value and then an X value immediately afterwards.

So what’s happening in Live is that the parameter is mapped to the Y controller for a tiny fraction of a moment, and then that mapping is overridden by the incoming X controller, every time.

The “change” object filters out repetitions of a number, which stops it from sending an X and Y controller message with every mouse movement. So now you can send an X value only (by moving horizontally) or a Y value only (by moving vertically), and Live gets only the one message while it’s in MIDI Learn, and everything is rainbows and happiness.

]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189034 <![CDATA[Re: Splitting X Y Controller data]]> http://cycling74.com/forums/topic/splitting-x-y-controller-data/#post-189034 Mon, 04 Oct 2010 00:34:53 +0000 gusjdt Rainbows and happiness indeed. Thanks for the explanation and help, nnneuromodulator! Man, mapping the XY controller to frequency and resonance is a recipe for hours of procrastination…

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