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- #How to turn off crosshair overlay program how to#
- #How to turn off crosshair overlay program code#
- #How to turn off crosshair overlay program windows#
Third Generation-Use optical waveguides to produce images directly in the combiner rather than use a projection system.These systems are on commercial aircraft. These systems do not fade or require the high voltages of first generation systems. Second Generation-Use a solid state light source, for example LED, which is modulated by an LCD screen to display an image.The majority of HUDs in operation today are of this type. First Generation-Use a CRT to generate an image on a phosphor screen, having the disadvantage of the phosphor screen coating degrading over time.HUDs are split into four generations reflecting the technology used to generate the images. The F-35 Lightning II was designed without a HUD, relying solely on the HMD, making it the first modern military fighter not to have a fixed HUD. Many modern fighters (such as the F/A-18, F-16, and Eurofighter) use both a HUD and HMD concurrently.
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These include helmet-mounted displays (both abbreviated HMD), forms of HUD that feature a display element that moves with the orientation of the user's head. Other than fixed mounted HUD, there are also head-mounted displays (HMDs). the projection unit) and the systems/data to be displayed and generates the imagery and symbology to be displayed by the projection unit. The computer provides the interface between the HUD (i.e. In some optical layouts combiners may also have a curved surface to refocus the image from the projector.
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Combiners may have special coatings that reflect the monochromatic light projected onto it from the projector unit while allowing all other wavelengths of light to pass through. The combiner is typically an angled flat piece of glass (a beam splitter) located directly in front of the viewer, that redirects the projected image from projector in such a way as to see the field of view and the projected infinity image at the same time. the focal point is perceived to be at infinity. This setup (a design that has been around since the invention of the reflector sight in 1900) produces an image where the light is collimated, i.e. The projection unit in a typical HUD is an optical collimator setup: a convex lens or concave mirror with a cathode-ray tube, light emitting diode display, or liquid crystal display at its focus.
#How to turn off crosshair overlay program how to#
I'm looking for any solution to this problem (not neccesseraly one involving a transparent topmost window).Īlso on a sidenote if someone could explain to me how to effectively use GetLastError(), and also why are game behaving differently than a common window.HUD mounted in a PZL TS-11 Iskra jet trainer aircraft with a glass plate combiner and a convex collimating lens just below itĪ typical HUD contains three primary components: a projector unit, a combiner, and a video generation computer. My guess is that application such as games have a more direct control over the display device. however its a pretty big file and I wasn't able to understand where the relevant part was.
#How to turn off crosshair overlay program code#
here was my code : SetWindowPos(handle, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE) Įrror = GetLastError() // i tried using GetLastError to understand what was happeningĬout << error << endl // but it only returns "5", I've read that you can look in WINNT.H for information about the meanings of error codes I've also tried using SetWindowPos to set the game to Not TOPMOST, it didnt work either. If(myHandle = 0)//here SetWindowPos returns 0 (function failed) MyHandle = FindWindow(NULL,TEXT("Crosshair")) //retieving my own application window handle
#How to turn off crosshair overlay program windows#
in this next part I tried using windows api to make my window appear on top of the game. tAttribute(Qt::WA_TranslucentBackground) //making the window see through tWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint) // here making the window frameless and topMost via qt tGeometry(960-label->width()/2,540-label->height()/2,label->width(),label->height()) //here I'm making my window appear in the center of my screen Label->setText("O") //I'm using an "O" as a crosshair until I can figure out how to display image transparency. Here is my code : (everything is in the main since im only testing the core functionalitys of my app, I've commented it extensively to try and make my problem more accessible) QApplication app(argc, argv) I've succesfully made my window topmost for everything except the games :/ The aim is to have a crosshair in some FPS games that doesn't provide one. I'm trying to make an application displaying a crosshair at the center of the screen and staying on top of everything else.