Mea­sure up your world

Get a rough idea of dis­tance with Ap­ple’s own aug­mented re­al­ity app

Mac Format - - FEATURE / IOS 12 SUPERGUIDE -

There’s a brand-new app in iOS 12, Mea­sure, and it’s avail­able on iphone and ipad. The app uses Ap­ple’s aug­mented re­al­ity (AR) tech, ARKit 2, to mea­sure the dis­tance between points on flat sur­faces.

Third-party apps beat Ap­ple to this task when ARKit was first in­tro­duced, but the point is Ap­ple now bun­dles an AR app with iOS.

Note that while the app can mea­sure dis­tances between points on flat sur­faces, it can’t be used to mea­sure the length of an arc on a curved sur­face, say.

To see more of what ARKit can do – at no cost – go to devel­oper. ap­ple.com/arkit/gallery in Sa­fari. Browse a sam­ple of 3D mod­els, put them on sur­faces in the cam­era’s view, then pinch to re­size, twist to turn, and move around them.

1 Find a sur­face

You’ll be asked to move your de­vice around, so the app can find flat sur­faces in the view. A cir­cu­lar over­lay will align with the de­tected plane and fol­low your aim.

2 Mea­sure things

Tap the + to mark a point in space, point the cam­era else­where on the sur­face – dis­tance is shown as you do – and tap + again to record the mea­sure­ment.

3 Take note

The app will snap to an ex­ist­ing point if you aim it nearby. The ar­row un­does a step, Clear starts over, and the other white cir­cle takes a photo of the cur­rent view.

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