I am a video editor and I want to split up my 42 inch TV into multiple desktops. I want to shrink the display into multiple shrunk sections, so the Mac Pro thinks that there are 2 or 4 monitors hooked up but there is actually only one super freaking huge TV, made to look like 4 monitor displays. I want to have sharper resolution. Just having a bigger screen isn't doing it for me. I need 2 monitors for Final Cut Pro – not just big Final Cut Pro windows.
I do not want to "Size Up" or Split the screen into multiple windows, I want multiple displays. I want to trick my monitor into thinking that there more than one display.
Any ideas. It looks like Microsoft has similar programs but nothing for Mac.
Way to Split one 42 Inch TV into Multiple Displays or Virtual Displays
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Related Solutions
I don't have an external monitor to test this on, but you could look at an app called Swapp that purports to be able to swap the contents of an external screen onto your main display. I'm not sure if it works with more than 1 external monitor, but in theory you might be able to switch to a 2nd desktop on your MBP, and swap the windows from an external monitor onto it, hopefully being able to repeat the trick with a 3rd monitor on a 3rd desktop space.
There is also Display maid which looks similar.
Both have free trials.
You could also try this relatively simple but manual trick to shove windows to another desktop space, either before removing your external monitors or after:
Enable Desktop Space control keys in System Preferences > Keyboard > Keyboard Shortcuts > Mission Control, check the boxes as follows:
To move windows, click and hold on any window titlebar and hit Control+2, Control+1, or Control+3 to instantly bring the chosen window to the desktop corresponding to the keyboard shortcut
If you right click on any icon in your dock, you could assign an app to a display.
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Best Answer
You wouldn't necessarily get "sharper" resolution - splitting a 1080p HDTV into two monitors side-by-side would result in two 960x1080 displays:
Is that what you're looking for? Despite the admonishments in your question, I don't think that's really what you're looking for. You'll get the exact same thing by just resizing your FCP windows to take up half the screen and putting both of them on the same screen. (You're stuck with the 1920x1080 pixels your display has any way you slice it.)
In (more-direct) answer to your question: no, I don't think such programs exist.
Note: I'm not familiar with Final Cut Pro, so I'm assuming it's multi-screen behavior is implemented with multiple windows.