Firstly, you need an appropriate vertical surface for tracking. Wall with a solid color (with no distinguishing features on it) is very bad instance. The most robust approach for tracking of a vertical surface is a well lit brick wall, or a wall with pictures on it, etc.
![enter image description here](https://i.stack.imgur.com/BJ6OE.jpg)
Secondly, the easiest way of creating an Anchor
in the center of your detected plane is to use the following code (make sure you call it once, so it couldn't create a new Anchor
on every update):
Anchor newAnchor;
for (Plane plane : mSession.getAllTrackables(Plane.class)) {
if (plane.getType() == Plane.Type.VERTICAL &&
plane.getTrackingState() == TrackingState.TRACKING) {
newAnchor = plane.createAnchor(plane.getCenterPose());
break;
}
}
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