Glossary for Geospatial Science

  Technical vocabulary defined by MicroImages

book Glossary

bits per pixel or pixel depth:  The number of data bits each pixel represents.  In 8-bit contexts, the pixel depth is 8, and each display pixel can be one of 256 possible colors or shades of gray.  With a 24-bit raster (or with three coregistered 8-bit rasters) the pixel depth is 24, and 16,777,216 colors are possible.