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biac:experimentalcontrol:biac6hardware
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biac:experimentalcontrol:biac6hardware [2024/04/15 19:49] cmp12 [BIAC6 Screen Configuration] |
biac:experimentalcontrol:biac6hardware [2024/04/16 14:21] (current) cmp12 [BIAC6 Screen Configuration] |
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| Line 131: | Line 131: | ||
| >> run SetupPsychtoolbox.m | >> run SetupPsychtoolbox.m | ||
| - | >> Screen(' | + | >> |
| ans = | ans = | ||
| 0 | 0 | ||
| + | % there is only a single screen | ||
| + | |||
| + | % you can use the first index, or min / max functions because there is only 1 option | ||
| + | >> screens(1) | ||
| + | ans = | ||
| + | 0 | ||
| + | >> min(screens) | ||
| + | ans = | ||
| + | 0 | ||
| + | >> max(screens) | ||
| + | ans = | ||
| + | 0 | ||
| + | |||
| + | |||
| + | |||
| </ | </ | ||
| Line 152: | Line 167: | ||
| - | Any **EXTENDED** configuration will result in multiple monitors being available | + | Any **EXTENDED** configuration, or configuration with goggles |
| + | |||
| PTB: | PTB: | ||
| <code matlab> | <code matlab> | ||
| >> run SetupPsychtoolbox.m | >> run SetupPsychtoolbox.m | ||
| - | >> Screen(' | + | >> |
| ans = | ans = | ||
| | | ||
| | | ||
| %in this case | %in this case | ||
| - | % 0 - the full display across the extended | + | % 0 - the full extended |
| - | % 1 - screen #1 | + | % 1 - screen #1 only |
| - | % 2 - screen #2 | + | % 2 - screen #2 only |
| + | % because matlab is indexed a 1, you need to select the correct index to get to screen #1 | ||
| + | >> screens(2) | ||
| + | ans = | ||
| + | 1 | ||
| + | |||
| + | |||
| </ | </ | ||
| Line 182: | Line 203: | ||
| # screens[1] is the second screen because python is zero indexed | # screens[1] is the second screen because python is zero indexed | ||
| + | </ | ||
| + | |||
| + | 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, or screen 1 if it is extended/ | ||
| + | * screen 0 in PTB | ||
| + | |||
| + | |||
| + | One of the best ways to account for a variable to setup in matlab would be to code the task to work with either. | ||
| + | |||
| + | Matlab: | ||
| + | <code matlab> | ||
| + | screens=Screen(' | ||
| + | |||
| + | %if there is only 1 entry | ||
| + | if (length(screens) == 1) | ||
| + | %use it | ||
| + | S.screenNumber = min(screens); | ||
| + | %but if there are more, use #1 explicitely | ||
| + | elseif (length(screens) > 1) | ||
| + | S.screenNumber = screens(2); | ||
| + | %same as S.screenNumber = 1; | ||
| + | end | ||
| + | |||
| + | [S.Window, S.screenRect]=Screen(' | ||
| </ | </ | ||
biac/experimentalcontrol/biac6hardware.1713210579.txt.gz · Last modified: 2024/04/15 19:49 by cmp12
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