F. W. SOHON, S.J., director of the Seismological Observatory of Georgetown University, has written a very valuable book. This is a method of representing a solid body (usually figures on the ...

Stereographic projection is a form of digital processing that shows a 360-degree spherical panorama as a flat image. Photographer David Jackson uses a technique called stereographic projection to ...

The Descent Imager Spectral Radiometer (DISR) team have now produced the first complete ‘stereographic’ and ‘gnomonic’ mosaic images. Using special image projection techniques, the team ...