If enough images are stitched together, a
spherical panorama can be formed with PTGui. This is a panorama
where you can see the full environment of the camera.
To create spherical panoramas, shoot as many pictures as needed to cover the complete environment
around the camera. Use PTGui to stitch the images together to form a spherical panorama.
PTGui is a (Windows) front end for the great Panorama Tools package, for creating panoramic pictures.
Features of PTGui:
- Create spherical, cylindrical or flat panoramas from any number of source images
- Supports JPeg, Tiff, Png and Bmp source images
- Panorama editor for visual and interactive parameter editing
- Spherical Panorama
- Multi-threaded design: all image processing is performed in the background
- Create templates with frequently used settings
- Lens database for easy retrieval of lens parameters
PTGui is a
Graphical
User
Interface for Panorama Tools,
Helmut Dersch's versatile panorama stitching software.
PTGui makes it easy to stitch images into high quality panoramas.
Read more...
Example

Stitched using PTGui: