ML2 MarkerTracking UE5.4

Unreal Engine
1

Magic Leap SDK version : 1.11.0
Unreal Engine version : UE5.4 release ml2
ML2 OS version : 1.11.0

Hi,

I try to use ML2 Marker tracking in UE : Marker Tracking | MagicLeap Developer Documentation

I create a new blueprint actor with this like example :

mlmarkertrackingbp.e28b7c4.1920
mlmarkertrackingbp.e28b7c4.19201920×607 210 KB

When i start apk, nothing detected..

All permissions are OK.

Can you help about this ?

Thanks.

2

Hello,

Welcome to the forums! You'll need to activate the marker tracker component after you create it to start the tracker. You can add an Activate node to your blueprint to do that. We'll update the documentation page to clarify this.

Here's an example blueprint-

image
image2138×855 203 KB

Best,
Adam

3

@aheaney, the "Activate" node gets the tracking going but the "Deactivate" node does not stop the tracking. Do you know why that is?

The only way I can get the tracking to stop is to "Unbind" the delegate.

Does it matter? Is it better to Deactivate the Tracking Component (maybe for performance reasons)? If so, how do I do that?