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Ground Plane breaks when changing scene

June 19, 2018 - 1:31am #1

Hi Support - experiencing a bizarre issue with Vuforia v7.1.35 on an IOS App



We have a main scene with an image target in it, and another scene with ground plane tracking in it.

During the app, we switch to the ground plane scene with a button, and prompt the user to detect the floor, however the issue is when we switch scenes from image target scene to the ground plane scene, the tracking is way off (as in the white surface square for floor detection is offset by a few metres from the centre of the camera, significantly so).

When we build the ground plane scene on its own into an app from the same Unity project, it works fine. 



Is this a known issue, do we need to reset any vuforia data between scenes? My google searches have found nothing about this!



Thanks,

Rob

Ground Plane breaks when changing scene

July 6, 2018 - 10:18am #3

Are you looking to persist data from one scene to the next? The latest Vuforia Samples contains both Image Targets and Ground Plane (among other features) - can you reproduce the problem in the sample?

ICEDevelopers wrote:

Hi Support - experiencing a bizarre issue with Vuforia v7.1.35 on an IOS App



We have a main scene with an image target in it, and another scene with ground plane tracking in it.

During the app, we switch to the ground plane scene with a button, and prompt the user to detect the floor, however the issue is when we switch scenes from image target scene to the ground plane scene, the tracking is way off (as in the white surface square for floor detection is offset by a few metres from the centre of the camera, significantly so).

When we build the ground plane scene on its own into an app from the same Unity project, it works fine. 



Is this a known issue, do we need to reset any vuforia data between scenes? My google searches have found nothing about this!



Thanks,

Rob

Ground Plane breaks when changing scene

June 27, 2018 - 3:13am #2

Is there seriously no developer response on this? Have seen other threads on the forums asking about changing device tracking mode, which basically seems to be the same issue - What are developers supposed to do if they want to include both Ground Plane and Image Tracking in the same app but in different scenes?

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