7ef8676a_Photo_Editing_with_Aperture__Multi_Touch_trackpad_gestures
[Feature] Browser in filmstrip view (Split View layout) and filmstrip in Full Screen view (Viewer mode) [Multi-Touch trackpad gestures] 
Use the pinch gesture to change the size of thumbnails in the Browser or the filmstrip. Use the rotate gesture to rotate the image beneath the pointer. Use the swipe gesture to select a different image.
Photo Editing with Aperture
Multi-Touch trackpad gestures