Display spanning for NVIDIA Quadro Video tutorial explaining NVIDIA Mosaicįollow these steps to create a Mosaic, if you are using NVIDIA Quadro graphics card: Showing the result in ONE large screen – application should work “as expected”. (b) With display spanning- Maximized as whole spanned display. (a) Without display spanning- The projectors are blended but are still recognized by the system as a separate display, so the application is only shown in one projector. If the projectors are blended together but not spanned ( viewed as separate displays by the system), the application, when maximized, will go on full-screen mode in only one projector.
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Using display spanning enhances the behavior of third-party applications, which are supposed to be displayed in full screen on the multi-projection: IMPORTANT: IF YOU ARE USING NVIDIA QUADRO HARDWARE, DISPLAY SPANNING IS REQUIRED FOR GPU HOOKING (ENABLES USAGE OF NVAPI). You can find the “Display settings” window by clicking right on your desktop and pressing “Display Settings”. Therefore, you must combine all projectors into a single local screen from the point of view of the system, so it recognizes one large screen instead of many smaller ones.
They won’t be synchronized and applications won’t perform as expected as they are not automatically expanded across the entire desktop. These are the typical topologies that desktop spanning can be set to:ĭisplay spanning is an important feature supported by some graphic cards that allows you to unite multiple displays into one.Īs soon as you use several projectors as a large, seamless desktop, having them shown as separate displays in Windows creates several issues. This is the behavior the end-user will expect as system behavior after a calibration. After that, all applications behave as if just one monitor exists.