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Capture multiple monitor screenshots Desktop
I was recently documenting some OS X laptop features using screen grabs (Command-Shift-3 for full-screen, Command-Shift-4 for regions). I noticed that when taking a full screen grab when I had a second display connected (in non-mirrored mode), the resulting PDF would be two pages -- each page held the grab from one screen. Very useful.

[robg adds: If you ever don't want both screens, there's not really a one-click solution -- your best bet is to use Shift-Command-4 to drag a region, and just drag the one display you want.]
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Capture multiple monitor screenshots | 5 comments | Create New Account
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Capture multiple monitor screenshots
Authored by: demmons65 on Jan 24, '05 12:44:21PM

A good time to restate that if you only want to take a screenshot of a specific window, follow this instruction:

Press Command-Shift-4 on your keyboard
Press the Spacebar, the cursor will change from crosshair to a camera
Click the window you wish to capture with the camera cursor

This command will also let you capture the Dock or the menubar as a 'window'. You can grab individual icons and labels from the Finder. You can grab just the Desktop. Experiment!

d a v e

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Capture multiple monitor screenshots
Authored by: Ortwin Zillgen on Jan 24, '05 12:51:32PM

add the ctrl-button for two further nice options:
1. receive the screen-shot in your clipboard
2. and get a rasorsharp 72 dpi screenshot instead of a blurry 150 dpi

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Capture multiple monitor screenshots
Authored by: webbix on Jan 24, '05 04:10:11PM

I am surprised there is not a method from the keyboard but it does appear that you can select the main monitor as it is noted in the CLI.

I made an applescript to as an amusement but also to simplify some of the added options. It also comes in handy on remotely controlled machines where the screen shot command is directed to the local machine.

Here is what is available in the terminal (note the -m option)

usage: screencapture [-icmwsWx] [file]
  -i      capture screen interactively, by selection or window
            control key - causes screen shot to go to clipboard
            space key   - toggle between mouse selection and
                          window selection modes
            escape key  - cancels interactive screen shot
  -c      force screen capture to go to the clipboard
  -m      only capture the main monitor, undefined if -i is set
  -w      only allow window selection mode
  -s      only allow mouse selection mode
  -W      start interaction in window selection mode
  -x      do not play sounds
  -S      in window capture mode, capture the screen not the window
  file    where to save the screen capture

And here is the simple script I came up with that provides some feedback and reminds of options for usage.

display dialog "Capture screen or only an icon.
The highlight area shows capture.
Use 'shift' for crosshair capture.
Capture is on clipboard for paste.
ESC ends. " buttons {"OK"} default button 1
do shell script "screencapture -i -c -W"

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Capture multiple monitor screenshots
Authored by: webbix on Jan 24, '05 04:12:40PM

I note now there is erroneous info in my dialog on the script as it says use the 'shift' key and that should be 'space' key. Never noticed as I am the only one who has ever used it. Sorry about that.

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RE: Capture multiple monitor screenshots
Authored by: spnyc on Jan 25, '05 10:59:31AM
or you can simply use YellowMug Software excellent piece of freeware: SnapNDrag

it allows for taking screenshots of windows, selection or screen, AND taking them as jpgs (of a quality of your choosing), pngs, or tiffs, AND you can rename the file on the fly, AND best of all, it doesn't pollute your desktop or documents folder with screenshots because it stores them in a floating window waiting to be dragged to whatever application you want.

definitely one of the best pieces of freeware out there, and no i don't work for or have any vested interest in yellowmug :)

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