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Using Pan and Zoom

The Pan and Zoom features on the App use the same functionality as any iOS application.

 

How do I zoom in on an image?

  1. Place two fingers on the screen and spread them apart to zoom in or double-tap the image. The ROI is displayed.
  2. Continue using the pinch to zoom or double-tap gestures to zoom in and out on the image.

 How do I pan a zoomed image?

  1. Touch anywhere on the image and move your finger left, right, up, and down to position the image on the screen. 

How do I zoom out in an image?

  1. Place two fingers on the screen and spread them in to zoom out or double-tap the zoomed image.
  2. Continue using the pinch to zoom or double-tap gestures to zoom in and out on the image.

Note: 

You can use the pinch and double-tap gestures to zoom in on an image, and to zoom out on an image. When the image is in a zoomed state, you can use your finger to pan the image (move it around on the screen).

When zoomed, a thumbnail of the image is displayed in the upper right portion of the screen with a yellow region of interest (ROI) border. As you pan the zoomed image, the ROI is updated to orient you to the zoomed image.

 

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