There are several possibilities of arranging the TV screens in order to create video walls: from two rows and two columns of screens (also called 2x2), long TV rows (4x1, for instance) to mosaic. Whenever you are dealing with video walls, you should take into account the total resolution created.
For a single Full HD screen (1920 x 1080px), you only need to create a campaign and adjust the layout. In video wall’s case, you should sum up the width and height of all screens and create a custom resolution layout with the result.
Check out below some video wall settings examples and their custom resolution:
When you have a mosaic video wall, you need to place the images on the campaign division so they match their correspondent physical position. So, if you have a mosaic with two screen on portrait and two on landscape mode, you will need to place two images in portrait mode and other two on landscape (check image below). When you see it OnSign TV platform, the video will be completely distorted, but you can change the screens position on the wall so the pieces of image or video match: