It should be possible to bind an output port to an input port of
another composition, but there was a bug in KVO last I checked. I
don't know if that got fixed yet or not, but I think the answer is no.
The network stuff will have some inherent latency, even if the
loopback is instant (you would know better than me I guess :) The
network patch is asynchronous so values will not be transmitted
instantly.
There may be other tricks, but I think fastest, most reliable way to
send the values across would be to do it in code. You can subclass the
QCView with your own object and override renderAtTime:arguments:. At
the start of this method, set any inputs you would like to set, call
[super renderAtTime:] and then setValueForInputKey: the inputs of the
second composition with the values you read of [self
valueForOutputKey:]. The entire method should be quite minimal if you
control what the keys/port types are for both compositions.
Sorry that binding stuff isn't worked out, I'll see if I can get some
action on that bug.
Troy
On Nov 5, 2008, at 5:43 PM, Chris Wood wrote:
Steven,
It's being set in composition 2 (based on mouse input in that
window), and sent to composition 1. I'll also bind it to a text
field for numeric output, but that part isn't an issue. Both
compositions are running in QCViews linked to PatchControllers.
Chris
On 6 Nov 2008, at 01:34, Steven Sokulski wrote:
Chris
Where is the signal you want to work with coming from? Is it being
generated inside the first composition? Or is it being sent from a
control that is bound to the composition?
Steven
On Nov 5, 2008, at 3:53 PM, Chris Wood wrote:
Steven,
I've considered it, but this is for use in a commercial app. It
could be installed literally anywhere, and I really don't want to
rely on any network being available - it introduces too many
unknowns. Otherwise, it'd be the best way by far I think.
Chris
On 5 Nov 2008, at 23:49, Steven Sokulski wrote:
Chris
Your best bet is to either use a combination of Network
Broadcaster and Network Receiver or use the Network
Synchronizer. The Broadcaster / Receiver combo is best when you
need a value to flow from one QCview to another. Synchronizer
works by keeping the value in sync among two or more compositions.
Steven Sokulski
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