It is expected to take two years to generate the final precision Digital Elevation Map. About the Anaglyph Data Products When viewed through special glasses, anaglyphs will allow you to see a vertically exaggerated view of the Earth's surface in its full three dimensions.
Anaglyph glasses cover the left eye with a red filter and cover the right eye with a blue filter.
3D Glasses Direct is an online source for 3D glasses. They will even send you a free pair of paper 3D glasses when you send them a stamped self-addressed envelope. This is intentional. It is set up for cross-eyed viewing, as indicated on the image. For more information about the data products, please review the SRTM Preliminary Data Descriptions web page in our Data Products secion.