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How to use an image file or part of the screen to become User-de

December 24, 2015 - 1:41am #1

I'm using Unity to develop android app.

In the user-defined target sample, after clicking the green button to create a UDT,

it seems the sdk will capture the whole screen to create the UDT, but it may capture a lot of irrelevant parts .

Is there any way I can select part of the screen instead of using the whole screenshot to create a UDT?

Besides using part of the screen to make UDT, is it possible to use an image file (such as a photo in the user's album in android) to create UDT?

Thank you.

How to use an image file or part of the screen to become User-de

January 3, 2016 - 6:49pm #3

Thanks for reply.

Few more follow-up questions I would like to ask:

 

If  the UDT must be a full-screen-capture, what are the properties of the created UDT?  such as the width and height... width equals to screen width....?? 

Will properties of the UDT differ from device to device? such as different screen resolution, pixel of camera...

How to use an image file or part of the screen to become User-de

December 31, 2015 - 10:44am #2

EdwardLee wrote:

it seems the sdk will capture the whole screen to create the UDT, but it may capture a lot of irrelevant parts .

You need to try to fill as much of view with the desired area to be captured.

EdwardLee wrote:

Is there any way I can select part of the screen instead of using the whole screenshot to create a UDT?

No.

EdwardLee wrote:

Besides using part of the screen to make UDT, is it possible to use an image file (such as a photo in the user's album in android) to create UDT?

No.

https://developer.vuforia.com/forum/faq/can-i-feed-vuforia-my-images-or-video

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