I've been playing with the Tristitch or tetrahedral method of creating dome masters
I set this scene up in Blender (3D package) - that mess in the middle, is 3 cameras setup like the pineapple site...
I rendered the view from each camera
I made an animation...all low resolution. One thing I went and checked on, that pineapple site has loads of software for sale, tristitcher seems to be the only product which is free....spot on!
We can now reliably create pre-rendered 3D using free tools. In a form that can be queued up for rendering on a render farm