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Target occludes physical object after removal

August 7, 2019 - 12:26pm #4

I'm using a multi-target (cube) to register a hologram to a specific room location. Extended tracking is enabled such that when I remove the multi-target the hologram stays in place as desired. The problem is that the hologram still appears to be occluded by the multi-target even though it is not physically present. I would like be able to view the registered hologram from all perspectives as if the multi-target had never been placed. Any help is greatly appreciated! 

Versions: Unity2017.4.30f1, Vuforia 7.0.57, HoloToolkit2017.4.3.0

Target occludes physical object after removal

August 8, 2019 - 12:49am #3

Hi,

If I am understanding your questions correctly. You would want to render the hologram on top of your multi target. I believe this could be achievable by disabling the rendering Mesh of the ChildTargets ( Box.left; Box.right; Box.Front; etc.) via script.

In my testing I also observed that the Rendering Mesh seems to activated again if tracking is lost and regained ( behavior in Vuforia Core samples), your script should take the tracking status in consideration to avoid this scenario.

Thank you.

Vuforia Engine Support

Target occludes physical object after removal

August 8, 2019 - 10:54am #2

Sorry, I read your response incorrectly. I don't want to render the target object at all. I also don't want the real target object to occlude my associated hologram once the real target is removed and extended tracking takes over. Here is a step by step:

1) Place physical multi-target

2) Hologram of object is registered to physical multi-target via Vuforia.

3) Remove physical multi-target, enable extended tracking, hologram of object stays in place.

The problem is that when the physical multi-target is removed it leaves a hole in my object hologram as if it was still in place occluding the hologram.

Target occludes physical object after removal

August 8, 2019 - 12:40pm #1

Looks like I solved by problem by adjusting the render queue of my hologram and making its value less than that of the multi-target. Thanks again for the reply.

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