There is no exact official limit to the size of a surface, but very large surfaces can require more VRAM than your computer has, which can lead to problems. That is to say, if you are using a projector with a resolution of 1024x 768, then your surface should have dimensions of 1024x 768. If you are creating a surface that will only use one screen, and you want to use the whole of that screen, then the size of the surface should match the size of the screen. The size of the surface does not need to be anything specific, or follow any formula or ratio. Every surface in QLab starts its life as a rectangle measured in pixels. Surface names must be unique within a workspace, so QLab will not allow you to rename a surface to have the same name as another surface.ĭimensions. The name for a newly created surface defaults to something like “Surface 1” or “Surface 2”, and you can rename the surface here to whatever you like. The right column contains controls for parameters of the surface itself, as well as the currently selected control point or split (when applicable). The center column is occupied by the surface canvas, where you can arrange screens on the surface and adjust control points for each screen. The leftmost column shows a list of all displays assigned to the surface, as well as a section for information and controls pertaining to the currently selected display. The header area shows the surface’s name and pixel dimensions. The features which are allowed without a pro license will function at all times. Many features visible in the Edit window require a Pro Video or Pro Bundle license, and will be disabled if an appropriate license is not installed. Give yourself plenty of time to learn about it, and remember that you can always write to at any time if you have any questions, large or small, even if you haven’t bought a QLab license. We’re not going to lie to you: this is definitely the most complex-looking part of QLab, and there is a lot going on in this window. The Video Surface EditorĬlicking the Edit button next to a surface brings up the Surface Editor in a separate window. Surfaces may also appear as broken if they use features not supported by any of your currently installed licenses. If at least one assigned display is available, the surface will not report as broken, although it will alert you to any disconnected displays in the surface list. A surface is defined as broken if it has no valid displays attached. Surfaces that are broken will appear with a yellow exclamation point ( ), and cues routed to broken surfaces will also appear as broken. To delete a surface, click on the button all the way to the right of that surface’s name. To edit a surface, click on the Edit button to the right of that surface’s name. Once a surface is set up, you can make any number of copies of it by selecting the surface you want to copy and clicking the Duplicate button. We’ll go into more detail about each of these options later on this page. Select New Multi-Screen Surface to have QLab walk you through creating a surface with a number of regularly arranged screens, such as a multi-projector blended surface or an LCD video wall.The surface will be created at the same size as the display. Select New With Display and choose a display to create a surface with that display assigned to the surface.Select New Empty Surface to create a totally blank surface, to which you can add screens manually.There are three workflows for creating a new surface: To create a new surface, click the popup button below the surface list in the Video page of workspace settings. When this workspace was created, QLab automatically created Surface 1 with the MacBook Pro’s internal display assigned to it, and Surface 2 with the external monitor assigned to it. This screen shot was taken on a 2017 15” Retina MacBook Pro with a 25060x1440 monitor connected to the Thunderbolt port. You can see the list of surfaces in your workspace by visiting Workspace Settings and choosing Video from the list on the left. You can edit these surfaces to suit your needs, or you can delete them and create your own surfaces. That way, if you don’t need anything fancy you can start programming cues as quickly as possible. When you create a new workspace, QLab will automatically add a surface for each attached display, with that display assigned to the surface. To get to the Video Surface Editor, go to Workspace Settings and choose Video from the list on the left, then click the Edit button next to one of the video surfaces. The Video Surface Editor is where you set up your workspace to output video to the world. As such, working with surfaces can be fairly straightforward or it can be very involved. Surfaces are designed to accommodate an extremely wide range of workflows and setups, from single screens, to video walls, to multi-projector blends on curved surfaces.
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