Hi-res images
Hi resolution images
Gigapixel photographs are single large images of many gigapixels created by stitching together lots of individual photos (typically taken with a long zoom lens) to capture lots of close shots to assemble into one large gigapixel image.
At the moment we've only experimented with 112 mega-pixel images using just 18 photographs to produce a 360 panorama of 15,000 pixels by 7500 pixels high. These only take a few minutes to stitch together, whereas some professional gigapixel images may take hundreds of close-up photographs of individual details of a scene using computer controlled cameras. These setups would make fractional moves between each overlapping picture and then consume lots of computing power and memory to 'stitch' together.
Cube
A muti-resolution cube format has been used in order to render the pixels in your browser dynamically (only the parts of the picture you are looking at). If we had used a single large picture to store all the information, the file would take a while to load into your browser window, and on mobile devices would likely exceed the maximum_texture_size of the browser's texture map.
Castle Park House
Multi-resolution (gigapixel) spherical cube format.
Cube6 levels15k px19.5mb
The exposure was not fixed but the noise of light rays and haze on the lens in the first image compared to the last photo stitch (opposite the house) was too great to hide with a gradient mask or blending, so we left it as is. Lesson: ensure exposure is 'fixed'

Lady Heyes' shops
Multi-resolution (gigapixel) spherical cube format.
Cube6 levels15k px25.0mb
This one uses an extreme curvature. Let's pretend that some arty thing! In reality we didn't think this one through! Like not having enough scanned material and having to fill the gaps by tying the ends together tighter. As a result we stretched our world!

St Laurence - Main entrance
Multi-resolution spherical cube format.
Cube6 levels22k px31.5mb
73MB of tiles. This one is a cheat as we didn't capture any sky textures to make up the correct 2:1 aspect ratio. So we just painted the top third of the photo the same blue as the sky around the church. Shh! I am sure no-one will notice.
