Movie ====== Experience with g4daeview ---------------------------- * :doc:`geant4/geometry/collada/g4daeview/g4daeview_usage.txt` With g4daeview created movie using `QuickTime Player.app` * `File > New Screen Recording` or command+control+N * dialog pops up : click to record entire screen, drag to record part of screen * creates a very large .mov (~1GB for ~2min) * stop recording using : command+control+escape * `File > Export ...` to compress .mov to .m4v Resulting movies like the below however need editing to avoid boring waits between action. * /Users/blyth/Dropbox/Public/g4daeview_001.m4v References ----------- * :google:`iMovie Quicktime App` * https://developer.apple.com/app-store/app-previews/imovie/Creating-App-Previews-with-iMovie.pdf * :google:`iMovie import screen capture` * http://www.makeuseof.com/tag/5-best-screen-recorders-capturing-mac-os-x/ QuickTime Player 10.3 ----------------------- * curiously "View > Actual Size" clips the edges with g4daeview_001.m4v, the movie inspector says: * Format: H.264, 1728x1080 * Current Size: 1440x900 Retina full is: 2880x1800 dividing by 2: 1440x900 :: In [2]: 1728./1080. Out[2]: 1.6 In [3]: 16./9. Out[3]: 1.7777777777777777 Aspect Ratio --------------- :: 1:1 1.0 5:4 1.25 4:3 1.333 Standard 4:3: 320x240, 640x480, 800x600, 1024x768 8:5 1.6 16:9 1.777 Widescreen 16:9: 640x360, 800x450, 960x540, 1024x576, 1280x720, and 1920x1080 What size video ? --------------------------------------------- * GTC provides projector : 1920x1080p @ 60hz * what size ggv window to record ? * when dragging a region, resulting video seems to be twice the pixel size selected, but seems no way to get a precise pixel dimension * https://forums.creativecow.net/thread/335/37515 * https://www.techsmith.com/tutorial-camtasia-mac-aspect-ratio-current.html Automated Screen Capture ------------------------- * http://apple.stackexchange.com/questions/176555/how-do-i-make-multiple-screen-recordings-with-the-exact-same-portion-of-the-scre QuickTime Applescript ----------------------- * it seems no way to control the screen area recorded via scripting * http://www.neerajkumar.net/blog/2013/02/16/script-to-record-screen-on-mac-osx-and-save-on-disk/ iMovie importing ----------------- * https://discussions.apple.com/thread/2282019?start=0&tstart=0 * (circa 2010) implies that .mov (the uncompressed one) is best out of .mov or .m4v