For real-time interaction with the display, you'll need to decouple
the "processing" part of your composition (the I/O and composition
logic) from its "rendering" part (which just renders to screen an
image). This is needed because you just want the logic computed on one
machine, so that all remain synchronized.
The processing composition will be used on a host machine and the
rendering on all the other used for display (which can include the
host itself).
It will contain the keyboard, mouse, Apple Remote or any provider
patch you'll like, and will compute the "XTranslation",
"YTranslation", "Zoom", "Tilt", and "Image". The output ports will be
published.
QCV will automatically forward in an efficient maner all published
outputs of the processing composition to all published inputs of all
rendering composition of the same name.
So the rendering composition will just need to be a billboard or
sprite displaying "Image" at the correct "Zoom", "Tilt", etc.
Cheers,
Kevin
On Jan 30, 2008, at 8:28 AM, Andy Wasklewicz wrote:
I have a 2x3 (30" cinema displays and 3 Mac Pro's) display wall that
I am using to display high resolution medical imagery on using
Quartz Composer Visualizer (QCV). I am exploring the uses of this
technology in University learning spaces. The initial feedback I am
getting is that faculty would like to interact with the images on
the screen. (zoom, pan, tilt) Is this possible when you are
displaying an image in QCV full-screen? could I use some existing
Wii patches? or the Apple Remote patch?
Thanks in advance.
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