Nodes Placement Helper : Show/hide the Nodes Placement Helper.

As indicated by the name, this is more a helper tool rather than configuration. Changing any value in this helper doesn’t modify Teleportal in any way, in stead, it gives some advice on how the displays should be placed to get the best immersive visual results.

The final visual experience is influenced by many facts, a small change to each of which might result in huge difference on the result. It’s necessary to have some of the facts to take priorities over others, that is to decide primary facts first and then calculate sub facts after based on primary ones. In case the priority order doesn’t work for you, say, some secondary facts were decided and you want to calculate values for primary facts, then you might want to try keep changing values for primary facts until the values of those decided facts matches their pre-defined values.

Each node in Teleportal is meant to have its very own display, or “screen” in Nodes Placement Helper. The helper is used to calculate preferred placement values for a single node (any one that is chosen), one after another, not all nodes at once.

All length values are in meters, all angle values are in degrees.

Lock Vertical FOV : Whether to set a vertical FOV (Field Of View) that is different than the default, which is 75 degrees. This option is locked currently as Matterport API doesn’t allow modifying vertical FOV yet. As a result, it’s not possible (for now) to perfectly support a flat roof display that is at right angles to front display, which requires a vertical FOV of 90 degrees to be set.

Primary Facts

Screen Width : Width of the display for current node, not including the thickness of frames (if there are any). This is not the native width but the viewing width of a display, meaning if a landscape display is rotated by 90 degrees to be a portrait display, then this width should be the length of the shorter edge of the display.

Screen Depth : The distance between visitor and the node display center.

Screen Angle : The angle between node display and the base node display. The base node is the only pre-defined node in Teleportal, and meant to be the main display, which is the display visitor will be looking at when looking forward.

Secondary Facts

Screen Height : Height of display for current node, not including the thickness of frames (if there are any). This is not the native height but the viewing height of a display, meaning if a landscape display is rotated by 90 degrees to be a portrait display, then this height should be the length of the longer edge of the display.

Vertical FOV : Vertical FOV for the node. This value is locked currently as Matterport API doesn’t allow modifying it yet. As a result, it’s not possible (for now) to perfectly support a flat roof display that is at right angles to front display, which requires a vertical FOV of 90 degrees to be set.

Other Facts

Bottom Height : The distance between display bottom edge and ground surface, in other words, how high the display is from the ground.

Screen Ratio : Aspect ratio of current node. This is not the native ratio but the viewing ratio, meaning if a 16:9 landscape display is rotated by 90 degrees to a portrait display, then this ratio should be 9:16, which is roughly 0.56.

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