(Any practical application sample of Vertical Split?) VERTICAL_SPLIT Use vertical split stereo mode when in stereo Vertical Separation Cockpit and External View.HORIZONTAL_SPLIT Use horizontal split stereo mode when in stereo Starting, Running!, External Stereo View.QUAD_BUFFER Use quad buffered stereo when in stereo.ANAGLYPH Use anaglyphic stereo when in stereo (default) (See green-red filtered images).But on the other hand, OSG provides not only ANAGLYPH (as default), it supplies its user with a wide variety of stereo render options.(Don't get scared by the frame rates shown on the screenshots, enabling stereo view didn't effected the framerates of the old laptop the screenshots were taken).These are OSG_STEREO_MODE=ANAGLYPHIC: Well, the fanciness level starts here.In our relatively cheap case, we chose anaglyph rendering since we only had red-green or red-cyan glasses to see.So we tell OSG to fit our budget by rendering the scene according to ANAGLYPH method. OSG_STEREO=ON: is quiet self explanatory.We have to tell OSG to turn on the stereo rendering. This info comes directly from the OSG Stereo Settings page. Taco), enter these lines, and save as ist:Ī brief explanation of the values we gave for the environment variables goes like this. No problem, just open a new document in TextEdit (or another. If you don't see ist, you'll need to create it. Then log out (Shut Down and Start up, or Restart).
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Thanks to someguy (not some guy, a FlightGear forum member!) for providing Mac OS X instructions. When launching FlightGear from the Command line, the environment variables should be set as follow, in the same Command Prompt window (same batch file if applicable) as the one used for FlightGear. Remove your pilot raybans, put your fancy 3D glasses and click "Run". The result should be something like shown on the right.Īfter you entered the last value, click "OK" to quit from the Advanced Options window. The commands (including the one we just created) that you have to pass to OSG consist of:.At this point you should be seeing "OSG_STEREO=ON" on environment list. Now, you will create new environment variables, click "New" and type OSG_STEREO=ON, then again click "New".On the new window, titled "Advanced Options" highlight the "Environment" from the list on the left.On the next screen, click "Advanced" just above the "Run" button.Start the FlightGear launcher, select your aircraft and select your location.You might have one at home or if you are a DIY type, check NASA way of doing glasses or Liquid Crystal Shutter Glasses and probably suitable hardware (anyone experienced with or owns one pair of this thing might help developing this page). A pair of Red-Green or Red-Cyan pair of 3D glasses.A working copy of FlightGear, of course.Now apply this to your short final 28R at KSFO! There are not so many but quite a few ways to achieve this separation. Now imagine you took this two "slightly" different images and match it such that each eye sees what it is supposed to see. This situation gives us two different images. When you alternate your view, it'll feel like the monitor is moving to little left when you observe with right eye, and vice versa. While reading this text, close your left eye and then right eye, open left. To understand stereo vision and human judgement of visual distance (that is how we keep visual separation from the traffic), make the following small experiment. Stereo vision exploit the human perception by showing a 3-Dimensional image on a 2-Dimensional surface. For those who are unaware of OSG, it is an open source high performance 3D graphics toolkit. As of August 2010, most recent stable version of FlightGear uses OSG. FlightGear 1.9.0, released December 22, 2008, marked the release of the OSG version of FlightGear.
As you might know or not, FlightGear migrated graphics functions from PLIB to OSG.
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