# ARKit tracking data

**URL:** <https://forums.kodeco.com/t/arkit-tracking-data/88275>\
**Category:** iOS\
**Created:** [November 15, 2019, 10:17pm UTC](https://forums.kodeco.com/t/arkit-tracking-data/88275 "2019-11-15T22:17:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![efthemiosprime](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/efthemiosprime/32/81494_2.png) [@efthemiosprime](https://forums.kodeco.com/u/efthemiosprime)\
**Post date:** [November 15, 2019, 10:17pm UTC](https://forums.kodeco.com/t/arkit-tracking-data/88275/1 "2019-11-15T22:17:56Z")

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In Arkit, once a planeanchor is detected and 3d object is placed in space, there are times that the object disappears. This happens for example when i shake the phone, pause the ar session or i move out of the sceneview controller then go back. What could be causing this? Is there a way to detect when 3d space data is lost?

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**Author:** ![shogunkaramazov](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/shogunkaramazov/32/108826_2.png) [@shogunkaramazov](https://forums.kodeco.com/u/shogunkaramazov)\
**Post date:** [January 11, 2020, 8:36pm UTC](https://forums.kodeco.com/t/arkit-tracking-data/88275/2 "2020-01-11T20:36:52Z")

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@efthemiosprime Do you still have issues with this?

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**Author:** ![system](https://s3.amazonaws.com/cdn.raywenderlich.com/community/forum-assets/noun-game-ghost-878668.png) [@system](https://forums.kodeco.com/u/system)\
**Post date:** [April 30, 2020, 2:18pm UTC](https://forums.kodeco.com/t/arkit-tracking-data/88275/3 "2020-04-30T14:18:00Z")

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