Bezel Compensation for Video Walls

this page / section pertains to {{brightauthorconnected}} , our latest app for authoring and managing content and players for the legacy {{brightauthor classic}} app, refer to these links brightauthor classic docid\ av0cxmxbpmvcj7er4quvu , brightauthor classic docid\ d4ccoy1cpixccg5squceu , brightauthor classic docid\ yo5o7hck2ydata03vaahd layout overview a bezel is the physical frame around the display area of a panel, which usually contains a border of black (inactive) pixels that separate that display area from the display area on adjacent panels if there is no compensation for the bezel, it can cause alignment issues bezel compensation, which discards the display content under the central bezels, should be applied to video walls to ensure that displayed images move smoothly across adjacent panels calculate bezel size you must know the screen width and height to calculate the bezel size the formula to calculate the size of a screen bezel in pixels from millimeters is (screen width/height in pixels) x (bezel size in millimeters) / (screen width/height in millimeters) = bezel size in pixels see the example below for more infor note that bezels on the ‘outside of the layout’ aren’t included, meaning no matter how large they are, if a zone is placed at \[0, 0] on the zone layout canvas, it will indeed start at the top left of the first screen in the layout example this example uses a four panel display wall (see image below) where the panel dimensions are 1100mm (1920 pixels) by 620mm (1080 pixels), the horizontal bezel is 17mm, and the vertical bezel is 20mm to get the number of pixels in the horizontal bezel area, multiply the screen width in pixels by the bezel in millimeters, then divide by the screen width in millimeters (1920p x 17mm) / 1100mm = 30 pixels to get the number of pixels in the vertical bezel area, multiply the screen height in pixels by the bezel in millimeters, then divide by the screen height in millimeters (1080p x 20mm) / 620mm = 35 pixels to get the total bezel adjusted resolution, add the width to the height (1920p + 30p + 1920p) + (1080p + 35p + 1080p) = (3870 x 2195 pixels) configure a video wall with bezel compensation to configure a 1x2 video wall with bezel compensation vm = createobject("rovideomode") sm = vm getscreenmodes() sm\[0] video mode = "1920x1080x60p" sm\[0] transform = "normal" sm\[0] display x = 0 sm\[0] display y = 0 sm\[0] enabled = true sm\[1] video mode = "1920x1080x60p" sm\[1] transform = "normal" sm\[1] display x = 0 sm\[1] display y = 1100 'bezel compensation of 20 pixels sm\[1] enabled = true sm\[2] enabled = "false" sm\[3] enabled = "false" vm setscreenmodes(sm)