Create a Manual Twin - Digital Twin XR

Without Pixotope Tracking, the Digital Twin has to be created manually.

For creating an automatic Digital Twin using Pixotope Tracking check out Calibrate XR alignment

Create manual bodies

Create one Manual Twin body for any LED body. A body is a continuous LED surface. A curved LED wall with an extra LED floor would, for example, be 2 separate bodies.

Select the Digital Twin XR actor and go to its Details panel
Click on "Create/Edit Manual Body" inside 1. Initialize Twin > Manual Twin
Optionally: Choose a name
Specify the panel dimensions in cm and the panel resolution in pixel
Select the Type (Single or Cube) and specify its options
Click "Create Manual Body"

Single type

A single wall/body with optional curvature is created.

Specify the Column and Row Count
Specify if the wall should be curved along the Columns or Rows
Optionally: Set an Overall Curvature in degrees
OR create an array and specify the Curvature Per Column/Row individually

Cube type

Flat walls/bodies are created placed on a cube.

Specify the Width, Height and Depth of the Cube/Walls
Select which sides of the Cube should be created (Floor, Ceiling, Left, Center, Right, Back)

Convert any 3D mesh

Convert pre-made mesh

You can convert any mesh, or multiple meshes, into manual bodies/a digital twin.

If your mesh is properly measured to represent your physical LED setup (from a CAD drawing or .obj file for example), the setup should only take minutes.

One XR wall is created for each quad of the mesh.

Generate XR walls

Import mesh(es) into your level
Right click the selection
Select "Generate XR walls from Actors"
Use the following menu to fine-tune the generation
1. if your XR walls are facing the wrong way, toggle “Flip Normals”
2. “Optimize Faces” will collapse faces that share vertices and have a similar normal direction. See the following gif for an example
3. "Optimize Threshold" is for the normals' value. By default this value is almost touching, but can be manipulated if the normals are at all shifted
4. Pack XR walls can stay disabled as we will map them later

Merge walls (optional)

To reduce the wall count you can manually select XR walls and merge them together.

Select 2 or more XR walls and right click
Select "Merge XR walls"

Convert to Digital Twin

Select all XR walls and right click
Select "Convert XR walls to Digital Twin"
Increase the Connection Threshold to connect XR walls which are close to each other into a single body

Spline twin

Use a spline as guide for generating XR walls

Click "Enable Spline Twin" in the 1. Initialize Twin section
- A Spline component gets added to the DigitalTwinXR actor
Adjust the setting
Adjust the spline
- Alt-Drag a spline point to create additional points

Create mappings

Click "Create All Mappings"

Learn more about how to Create mappings

Position and scale the Manual Twin

Position and scale the Digital Twin XR actor to align with the real world LED walls
- Enable WYSIWYG to make aligning the walls easier