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I'm kind of starting this synth thing. I noticed there are 3D synths out there that we can navigate without the white squares appearing. We can move the image freely and smoothly. I tried making my own, lot of angles even though it only comes out with 75% synthy. Anyway I uploaded it and when I'm viewing it these white squares pop up, and the images keep disappearing. I don't know why this happens. Does the 3D view require 100% synthy in order to work properly?
I would love to give you guys the example but I deleted it and I guess you guys know what I'm talking about. I also downloaded ICE but I assume it's for panoramas only?
Thanks in advance.
If you're interested in just standing in one spot and taking photos looking outward around you from that one spot, then what you want to upload is a panorama and ICE is the appropriate tool to upload panoramas to your Photosynth account. Remember that for the cleanest panorama stitching (regardless of what software you're using to stitch with), you should try to avoid parallax (parallax = foreground objects lining up differently against background objects when the viewpoint changes) by keeping the camera's lens as close to one position in the air as possible.
If you'd like to take photos from many different positions and have the computer automatically connect them, then ICE (and other panorama stitchers) will fail because panorama stitching is fundamentally 2D stitching and cannot account for objects lining up differently in different pictures. Photosynth and other photogrammetry apps actually thrive on objects lining up differently in different photos, provided that you take small enough steps between photos so that the computer doesn't get lost.
For more information:
The Photosynth Photography Guide: contains shooting tips and keyboard shortcuts for navigating photosynths without encountering the white frames / squares / boxes / quads and is available in several languages: http://photosynth.net/help.aspx#photosynthhelp
Here's a conversation about navigating a synth without using the quads:
Here's a conversation about how to shoot a panorama pattern for successful use in a synth instead of a pano:
For more detail, also see this whopper of a conversation: http://bit.ly/sinkorsynth
I really do wish that you could re-upload your first attempt so that the rest of us could take a look. It would help to be able to see what you're talking about when you say that "the images keep disappearing.".
As to your question about the 'synthy' percentage, what that number indicates is how many of your photos were able to be connected to each other. If you enter a photosynth's 2D view (sometimes called 'Grid View') you will see the clusters of photos that matched each other. If there were any photos that didn't match any other photos (commonly called orphan photos), they will be the smallest group at the very bottom of 2D view. You can use the tilde key [~] to toggle between 3D and 2D view.
In a 75% synthy photosynth, moving from one photo to the next within that largest cluster of 75% of your photos that did connect will work fine, but when you move to the end of that cluster and off to some of the smaller clusters, you'll just get a crossfade.