SMcQ

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  1. Some panorama rigs place a camera in an rotated orientation about the optical axis, setting the diagonal of the image frame to vertical. The effect is to tilt the picture. This is quite efficient and provides for integrated nodal alignment with the mount without need for adjustment. The attached pictures show what I mean better than words can describe. On a PC the best of breed AutoPano Giga can read this orientation without flaw, creating stitched panoramas that have no errors. However, Affinity Photo cannot do this, and makes a mess of an inclined orientation, rendering a garbage panorama. It also has a problem with full frame fisheye lenses. I have Affinity Photo for Windows and as the specs are the same for the iPad version, it would have the same problem. I want to use Affinity Photo for iPad Pro as my platform in the field when taking 360 photospheres. This will not be an option for me until Affinity can stitch a series of full frame fisheye images in rotated orientation (diagonal set to vertical during exposure). APG uses the SIFT algorithm to do this and I think the Affinity Photo panorama picture matching also uses SIFT. It should be a simple thing to program the matching so that an rotated orientation poses no problem.. This improvement would not only help with some photosphere rigs, it would also help with hand held photosphere input, which is often askew.