Hi,

I'm trying to create an equalizer configuration file for a curved 
screen/powerwall setup. There are plenty of example configuration files, but I 
have trouble determining which file would be a good starting point for my use-
case.


Our cluster looks as follows:

headnode
n001  -> CurvedScreen-left
n002  -> CurvedScreen-middle
n003  -> CurvedScreen-right

Nodes n00[1-3] each have one Quadro card with framelock (GSync2) driving one 
active-stereo projector.

I want to have the main app-window (bino) running on the headnode, since that 
is the only node with a sound card. If possible, this should run in monoscopic 
mode. The three render-nodes should provide a single shared (stereoscopic) 
view into the scene.


First question: Do I have my vocabulary right? Do the following statements 
match my scenario description?

 - The headnode gets an "appNode" entry
 - The render nodes get a "node" entry, each.
 - I need one pipe per node, corresponding to each X11-display
 - I need one window per pipe
 - Typically (i.e. in my use case) I have one channel per window
 - My use case would require two canvases, one for the headnode/control-
window, one for the curved screen.
 - There is one segment per projector (i.e. 3 segments for the CurvedScreen 
canvas, plus one for the app-window)
 - My setup could have one single layout, with one single view
 - If I wanted to use head-tracking, I would need one observer
 - I can ignore compounds for now.

Regarding the canvas:
 - Do I need to define a wall?
 - If so, how do I find the right corner-points for a non-planar projection?
 - What is the canvas->projection->hpr value?

Since the segments are relative to the canvas: is there an easy way to convert 
the physical wall coordinates to relative ones? Can I set the canvas in such a 
way that I can just use the physical wall coordinates for the segments?

Which of the example configuration files would be a good starting point for my 
setup?

Thanks for reading (and thanks in advance for replying, too ;-)
  Johannes

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