Nvidia Vision 2 Manual
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NVIDIA Corporation37 C HAPTER 4 Using the NVIDIA Stereo Viewer 2Locate the images to view. aFrom the main menu, click View > Slide Show Hot Key—Ctrl+S. The Slide Show Files window appears. Figure 4.4Stereo Viewer Slide Show - Files Selection b To view another directory, either edit the entry in the directory box using the keyboard, or click the drop down arrow and choose from the list of previously accessed directories, or click the Change button, select a different directory where the files are located, then click OK. 3From the list of files, choose the files to be displayed in the slide show. 4Click Begin to start the slide show. The images will appear in full-screen stereo view. If you chose Manual viewing, use the following hot keys to switch images: Next image, exit after the last image: Space bar, or left mouse button. Next image, repeat the cycle after the last image: Right arrow, or page down key. Previous image: Left arrow, page up key, or right mouse button.
38NVIDIA 3D Stereo User’s Guide – Revision 2.0 C HAPTER 4 Using the NVIDIA Stereo Viewer Moving the Image Files Sometimes filenames do not give a good indication of the subject matter, making it difficult to organize files. The Move function allows you to view the image and then immediately move the file to a specified folder. 1Set up the destination folder. aFrom the main menu, click View > Options... bFrom the Miscellaneous Settings section in the Options window, click Change... then use the Browser window to select the destination location for the file(s).. Figure 4.5Stereo Viewer - Move function destination folder c Click OK in the Browser for Folders window, then click OK in the Options window 2Open the stereo image to view it, using File > Open Stereo Image. Hot Key—Ctrl+O Both left and right images will be displayed in the Viewer window. 3Move the file to the destination folder. Click View->Move Image Hot Key—Ctrl+M The file is now stored in the new folder.
NVIDIA Corporation39 C HAPTER 4 Using the NVIDIA Stereo Viewer Sum mary of Stereo Viewer Hot Keys FunctionHot KeyWorks in Windowed ViewWorks in Full-Screen Stereo View. Open Stereo Image Ctrl+O X Display Image in Stereo Ctrl+V X Switch Left and Right Images Ctrl+W X X Switch Display Type Ctrl+T X Increase Gamma Ctrl+G X Decrease Gamma Shift+G X Move the Image File Ctrl+M X X Set Up the Slide Show Ctrl+S X
NVIDIA Corporation40 CHAPTER 5 TIP S AND TROUBLESHOOTING Refer to this chapter for ideas on how to maximize the stereo quality, or for help if you have difficulty using the NVIDIA 3D Stereo Driver. This chapter covers the following topics: “Stereo Viewing Tips” on page 40 lists suggestions to help maximize the stereo quality of your games. “Stereo Game Playing Troubleshooting” on page 42 lists suggestions to help you successfully play games in stereo. “Stereo Viewer Troubleshooting” on page 47 list suggestions to help you successfully use the Stereo Viewer. Stereo Viewing Tips Viewing Practices that Effect Stereo Quality Stereo Separation A recommended starting point is 30%, but always adjust the separation to a comfortable level. You can increase it over time as your eyes get used to stereo viewing. Viewing Distance Maintain a distance no closer than 2 to 2.5 feet away from the monitor. Viewing from too close a distance can cause too much strain on your eyes, and reduces stereo quality. Viewing Angle Keep your eyes parallel to the screen. The imaginary line connecting your eyes should be parallel to the horizontal level of the screen. The stereo effect is based on side-to-side—or horizontal—displacement of each image. If you tilt your head side-to-side, your eyes no longer see the displacement as
NVIDIA Corporation41 C HAPTER 5 Tips and Troubleshooting horizontal, and the stereo effect is diminished or even eliminated. While your brain may adjust to this viewing, it must work harder, resulting in eye strain and fatigue. Viewing Time Take regular breaks. As with any time spent looking at a computer screen, it is good practice to give your eyes a rest after a period of time. At a minimum, rest for 5 minutes after every hour of stereo viewing. Viewing with Prescription Glasses If you normally wear glasses when viewing a computer screen, keep them on during stereo viewing. You can put on most stereo eyewear over your regular glasses. The sharper the image on the screen, the better the stereo quality. System and Game Settings that Effect Stereo Quality Refresh Rate Set your monitor to the highest refresh rate possible, preferably 120 Hz or higher. The refresh rate for each eye should be higher than 40–60 Hz in order for flicker to be imperceptible. Any perceived flicker degrades the image quality and can lead to eye strain and fatigue. Display Lighting The amount of light reaching each eye is cut in half, and causes the screen to appear darker under stereo viewing. To compensate, be sure to set the gamma setting in the Stereo Properties page to an appropriate level. Adjusting the brightness and contrast settings of your game can also reduce screen persistence and improve stereo quality. Game Cursor / Cross-hair Sights If you are using the NVIDIA 3D laser sights, be sure to turn off the sight that the game provides. The game sight is usually positioned at screen depth, and interferes with useful viewing of the NVIDIA laser sight. Ambient Lighting The intensity of surrounding lighting can effect stereo quality and comfort. Lighting conditions that improve stereo viewing vary from one person to the next, so experiment with brighter or darker room lighting to find what works best for you. Adjustm ents for Slower System s To Improve Game Performance Since the graphics system must generate twice the number of images, you might notice a decrease in game performance in slower systems. To improve game performance, reduce the monitor resolution for your game. Don’t worry about losing display quality. The display quality at any given resolution is actually enhanced when viewed in stereo.
42NVIDIA 3D Stereo User’s Guide – Revision 2.0 C HAPTER 5 Tips and Troubleshooting Stereo Game Playing Troubleshooting Problem: No Stereo Possible Cause: Stereo not enabled Make sure stereo is enabled. Under Stereo Properties, click either the Enable or Enable by Hot Key radio button, then click OK or Apply. Make sure hot keys are set up. Under Stereo Properties, click the Additional Properties button, then verify the hot keys are defined in the Hot Key Setup section. NVIDIA recommends using Ctrl+T for Toggle stereo on/off, Ctrl+F3 for Less Stereo Separation, Ctrl+F4 for More Stereo Separation, Alt+F1 for Save Image, Ctrl+G for Increase Gamma, and Alt+G for Decrease Gamma. Turn stereo On. While playing the game, press Ctrl+T to toggle stereo on and off. Possible Cause: Stereo separation too small Increase the stereo separation. Press Ctrl+F4 while in the game. Alternately, under Stereo Properties, move the Stereo Separation slide bar to a higher setting—towards Advanced—then click OK or Apply. Possible Cause: Problem with hardware installation Check to make sure the eyewear is connected and operating. Some eyewear have an on/off switch, or operate on batteries. The view through the eyewear should darken when stereo is turned on. Refer to the instructions for your stereoscopic viewing hardware. Possible Cause: Problem with driver installation Check driver documentation. Possible Cause: Game is not in full-screen mode Set the game to play in full-screen (not windowed) mode. Possible Cause: Game is not configured for Direct3D or OpenGL Set the game to play using Direct3D or OpenGL hardware rendering. Do not use software rendering. Games which do not use Direct3D or OpenGL are not support by the NVIDIA 3D Stereo Driver.
NVIDIA Corporation43 C HAPTER 5 Tips and Troubleshooting Problem: Image Not Clear Possible Cause: Eyes not adjusted Your eyes may take some time to adjust to stereo viewing. Possible Cause: Too much stereo separation Decrease the stereo separation. Press Ctl+F3 while in the game. Alternatively, in the Stereo Properties control panel, move the Stereo Separation slide bar to a lower setting—towards Beginner—then click OK or Apply. Possible Cause: Display mode not optimal Adjust the stereo refresh rate. 1Under Stereo Properties, click the Stereo Test button, then select the Bit Depth and move the Resolution slide bar to correspond to the game display mode. 2Set the Stereo Refresh Rate slide bar to 120 Hz, then press the Launch Test Application button. 3If the stereo image looks OK, press F6, then press the (+) key to test using a higher refresh rate. 4Continue testing until an acceptable display is achieved at the highest refresh rate that your monitor can handle. Possible Cause: Game configuration—no settings exist for any version of the game You can verify this by checking the Game Name list under Stereo Properties > Game Configuration. If your game is not listed, use the hot keys as defined under Stereo Properties > Game Configurations > Configure Hot Keys to create various stereo settings while viewing the game. Refer to Table 3.2, “Stereo Configuration Hot Key Functions” on page 27, and Table 3.1, “Stereo Improvement Suggestions” on page 26. Possible Cause: Game configuration—no settings exist for your game version You can verify this by finding your game in the Game Name list under Stereo Properties > Game Configurations, then clicking Advanced Game Configuration. If no ID key exists for your version of the game, refer to “Assigning Configurations to Games” on page 29 for instructions on how to use the configurations of the listed ID for your game.
44NVIDIA 3D Stereo User’s Guide – Revision 2.0 C HAPTER 5 Tips and Troubleshooting Possible Cause: Game configuration—settings exist but are not optimal If stereo configurations exist for your game, but the stereo image is still not clear, you may need to adjust the configuration settings further. Use the hot keys as defined under Stereo Properties > Game Configurations > Configure Hot Keys to adjust various stereo settings while viewing the game. Refer to Table 3.2, “Stereo Configuration Hot Key Functions” on page 27, and Table 3.1, “Stereo Improvement Suggestions” on page 26. Possible Cause: Eyewear Hardware Not Set Up Properly or Eyewear Driver Support not Installed Properly Eyewear with Left/Right Hardware Switch Some eyewear must be manually set so that the left and right lenses correspond to the respective left and right screen images. If set incorrectly, stereo images may be difficult to see. To verify whether your stereo eyewear is switching correctly, launch the medical image test. If the image consists of a small square hole that is cut out of a larger square— Your eyewear left/right setup is configured incorrectly. You can confirm this by pressing Ctrl+W. The medical image should now display properly—as a small square in front of a larger square. You will have to switch your eyewear setting when playing games. Refer to your eyewear documentation for instructions. If you cannot see a stereo image— Press Ctrl+W. If the image can now be seen as a small square in front of the larger square, you will have to switch your eyewear setting when playing games. Refer to your eyewear documentation for instructions. Eyewear without Left/Right Hardware Switch Eyewear that does not have a manual switch for left/right orientation is completely controlled by the NVIDIA driver to ensure left/right consistency with the screen image—provided the driver is configured properly. To verify, launch the medical image test. If the image consists of a small square hole that is cut out of a larger square— The driver is configured incorrectly. You can confirm this by pressing Ctrl+W. The medical image should now display properly—as a small square in front of the larger square. Obtain the latest stereo drivers recommended by the stereo hardware manufacturer, and reinstall the drivers. If you cannot see a stereo image— Press Ctrl+W. If the image can now be seen as a small square in front of the larger square, obtain the latest stereo drivers recommended by the stereo hardware manufacturer, and reinstall the drivers.
NVIDIA Corporation45 C HAPTER 5 Tips and Troubleshooting Possible Cause: Eyewear lenses are the wrong color (anaglyph viewing) The default anaglyph configuration is for standard left-eye-red and right-eye-blue glasses. If the colors are reversed or different colors are used in your glasses, customize the anaglyph settings as follows (refer to Figure 5.1):. Figure 5.1Anaglyph Setup Page a Click the Additional Properties ... box, then from the Advanced Stereo Properties page, click the Anaglyph tab. bIn the Anaglyph page, click the drop down menu arrow, then select Custom. cClick the left or right color box corresponding to the left or right lens of your glasses The Color Setup page appears dClick a Basic Color or a Custom Color, then click OK. a b c Creating Custom Colors Position cross-hair to choose hue and saturation. Position slider to choose luminosity. Enter values directly.
46NVIDIA 3D Stereo User’s Guide – Revision 2.0 C HAPTER 5 Tips and Troubleshooting Problem: Eyestrain / Headache Possible Cause: Too much stereo separation Decrease the stereo separation. Press Ctl+F3 while in the game. Alternatively, in the Stereo Properties control panel, move the Stereo Separation slide bar to a lower setting—towards Beginner—then click OK or Apply. Possible Cause: Too much flicker Increase the stereo refresh rate. 1Under Stereo Properties, click the Stereo Test button, then select the Bit Depth and move the Resolution slide bar to correspond to the mode that your game plays in. 2Set the Stereo Refresh Rate slide bar to 120 Hz, then press the Launch Test Application button. 3If the stereo image looks OK, press F6, then press the (+) key to test using a higher refresh rate. 4Continue testing until an acceptable display is achieved at the highest refresh rate that your monitor can handle. !WARNING! If symptoms persist, discontinue viewing in stereo and consult a physician. Problem: No Laser Sight Possible Cause: Laser sight not enabled Enable the laser sight. Under Stereo Properties, click Additional Properties, then select On for Configured Games in the Laser Sight section. Possible Cause: Stereo not enabled Turn stereo On. While playing the game, press Ctrl+T to toggle stereo on and off. Possible Cause: Transparency set too high Decrease the laser transparency. Under Stereo Properties, click Additional Properties, then move the Transparency slide bar to a lower setting, towards the left.