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Scale estimation not available on ARCore devices?

May 9, 2018 - 9:51am #1

On iOS ARKit devices, scale estimation works out of the box. On android devices that are ARCore compatible like Samsung S8, I can set the device height and the hit test returns a point based on that device height. 

Is Vuforia not providing true scale / scale estimation on ARCore devices?

Do you have a method to determine if the device supports true scale? 

Scale estimation not available on ARCore devices?

May 21, 2018 - 4:01am #2

Hi IT5,

Currently, ARCore is not leveraged within Vuforia Fusion as part of Vuforia 7.1.

When using Ground Plane on devices that are not leveraging ARKit/ARCore, the scale is based on an the estimated height that is provided in the "Height" parameter of the PlaneFinderBehaviour script. This hint helps Vuforia determine scale based on the distance from the ground plane you expect the device to start. The default height is 1.4 meters which is an estimate based on a person standing and putting a ground plane on the floor.

 

HTH!

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