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--- biac:experimentalcontrol:biac6hardware [2024/04/15 19:23] – [BIAC6 Screen Configuration] cmp12
+++ biac:experimentalcontrol:biac6hardware [2024/04/15 19:57] – [BIAC6 Screen Configuration] cmp12
@@ Line 127: / Line 127: @@
 A **CLONED** configuration with goggles off, will result in a single monitor to programs like PsychToolbox and PsychoPy.
+PTB:
 <code matlab>
@@ Line 134: / Line 135: @@
+  % there is only a single screen
+</code>
+PsychoPy:
+<code python>
+import pyglet
+display = pyglet.canvas.get_display()
+screens = display.get_screens()
+screens
+>>[Win32Screen(x=0, y=0, width=1920, height=1080)]
+ # screens[0] is the one and only screen
 </code>
-Any **EXTENDED** configuration will result in multiple monitors being available
+Any **EXTENDED** configuration, or configuration with goggles will result in multiple monitors being available.
+PTB:
 <code matlab>
@@ Line 146: / Line 165: @@
    %in this case
-   % 0 - the full display across the extended desktop
+   % 0 - the full extended display across the desktop
-   % 1 - screen #1
+   % 1 - screen #1 only
-   % 2 - screen #2
+   % 2 - screen #2 only
 </code>
+PsychoPy:
-For instance PsychoPy the first screen would be #0
 <code python>
@@ Line 160: / Line 178: @@
 display = pyglet.canvas.get_display()
 screens = display.get_screens()
-screenNum = 0
+screens
-#get resolution of screen 0
+>>[Win32Screen(x=0, y=0, width=1920, height=1080), Win32Screen(x=1920, y=0, width=1920, height=1080)]
-win_res = [screens[screenNum].width, screens[screenNum].height]
-#set the output to always go to screen 0
-win = visual.Window(size=win_res, screen=screenNum, allowGUI=True,
-                    fullscr=True, monitor=exp_mon, units='height',
-                    color=(0.2, 0.2, 0.2))
-msg1 = visual.TextStim(win, text=u"Hello world!", pos=(0,0)) #centered
-msg1.draw() #draw it
-win.flip() #put it on the screen
-core.wait(5) #wait 5 seconds
-win.close() #close it
-core.quit() #stop
-</code>
-matlab PTB the first screen would be #1 ( matlab is indexed starting at 1 instead of 0 ).
-<code matlab>
-%configure the first screen is psychtoolbox
-screenNumber = 1;
-[Window,var.winrect] = Screen('OpenWindow',screenNumber,0);
+ # screens[0] is the first screen
+ # screens[1] is the second screen because python is zero indexed
 </code>
+You need to code your tasks to send to the specific screen you want your subjects to see.  If they are viewing the projector, then they can only single a screen at a time.  The default is to send the first display to the projector.
+  * screen 0 in matlab **only** if its a **cloned** display only, or screen 1 if it is extended/goggles
+  * screen 0 in PTB