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V
vincentdesign1-Visitor
1-Visitor
April 6, 2020
Question

Issue : A target object does not recognize

  • April 6, 2020
  • 2 replies
  • 2825 views

It's a little box with the top open, there is a mask for match the reality but the experience doesn't work. Nothing happens.

2 replies

S
sdidier17-Peridot
17-Peridot
April 7, 2020

Hello VincentDesign,

 

  • Can you collect the log file of Vuforia View, please?

We should find more details about this issue inside it.

 

Please see this article about how to collect it:

https://www.ptc.com/en/support/article/CS283816

 

Thank you,

Samuel

R
RolandRaytchev21-Topaz I
21-Topaz I
April 7, 2020

Hi @vincentdesign ,

here / at least for me/is not clear what is the issue. I believe / not sure/ you want to occlude some geometry? Do you mean that some occluding effect is not working? Could you provide more details?

According to the help - Occluding: If set to true, the geometry of a widget is invisible, but at the same time hides any other augmentations behind it in the 3D scene.

Therefore, the background or camera feed appears where the occluded widget should be. This can be used to emphasize some augmentations by hiding surrounding 3D geometry.

example In preview mode:

2020-04-07_16-18-58.jpg

and then on IOS:

2020-04-07_16-12-27.jpg

 

Or is something different e.g. related with model target which you want to scan?- in this case it should work- for such simple object.  Mostly the issue is caused when the real geometry will deviate from the target geometry. You can try with print if it will work with it.

V
vincentdesign1-VisitorAuthor
1-Visitor
April 7, 2020

Hi, I use a target model, a made the profil (the white  mask in overlay) but nothing append in the second model  (a watch) in AR. Vuforia does not recognize the shape of the box, especially with the top of the packaging, The opening does not produce a meeting". You have the cad model of the box Mr @RolandRaytchev target-model.PNG

 

R
RolandRaytchev21-Topaz I
21-Topaz I
April 8, 2020

Hi @vincentdesign ,

 

I think this is clear - the model target will not match to the real object. Because for example the cover edge is a line in the target but on the real model it is a curved spline - I think – because of the deformation of cover part based on  the gravity  . And because the model target contains only few lines it will not recognize the model as such.

I could understand that with some flexible materials it could be difficult to have the exact real model shape.

Maybe you can use instead of model target an image target instead - for example the logo picture on the side as Image Target.

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