On Sat 08-Aug-2020 at 07:17 -0700, John Muccigrosso wrote:
I'm trying to create a mosaic image with three photos and having a heck of a time.

For one thing, the Fast Panorama Preview looks like the attached, which doesn't seem right in terms of placement of the image in the bottom left. Is it?

Then I'm just not having success with the really any of the preview functions or the stitching (which I realize is vague). If someone could walk me through it, or give it a try with the images an tell me what worked, I'd be very grateful.

Since your three photos are taken straight towards the wall there shouldn't be much rotation needed to get a good fit. So, to see what the optimiser is doing, I would do this in stages (after resetting all the XYZ position and rpy rotation parameters):

1. start by optimising just X for the two side photos, this should look almost ok.

2. optimise X & Y for the two side photos, this should look a bit better.

3. add Z optimisation for the two side photos.

4. add roll, pitch & yaw optimisation for the two side photos.

5. add pitch & yaw (not roll) optimisation for the middle photo.

The end result is that you are optimising everything except for the position of the middle photo (keeping it in the middle), and roll rotation of the middle photo (otherwise the whole thing will spin around).

--
Bruno

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