MrSID (pronounced Mister Sid) is an acronym that stands for ''multiresolution seamless image database''. It is a
file format
A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital storage medium. File formats may be either proprietary or free.
Some file formats ...
(
filename extension
A filename extension, file name extension or file extension is a suffix to the name of a computer file (e.g., .txt, .docx, .md). The extension indicates a characteristic of the file contents or its intended use. A filename extension is typically d ...
''.sid'') developed and patented by LizardTech (in October 2018 absorbed into
Extensis
Celartem, Inc., doing business as Extensis, is a software company based in Portland, Oregon.
History
Extensis and its parent company ''CreativePro.com'' were sold to ''ImageX'' in year 2000, which in turn sold Extensis to Japanese content-manage ...
) for encoding of
georeference Georeferencing means that the internal coordinate system of a map or aerial photo image can be related to a geographic coordinate system. The relevant coordinate transforms are typically stored within the image file ( GeoPDF and GeoTIFF are exam ...
d
raster graphics
upright=1, The Smiley, smiley face in the top left corner is a raster image. When enlarged, individual pixels appear as squares. Enlarging further, each pixel can be analyzed, with their colors constructed through combination of the values for ...
, such as
orthophoto
An orthophoto, orthophotograph, orthoimage or orthoimagery is an aerial photograph or satellite imagery geometrically corrected ("orthorectified") such that the scale is uniform: the photo or image follows a given map projection. Unlike ...
s.
MrSID originated as the result of research efforts at
Los Alamos National Laboratory
Los Alamos National Laboratory (often shortened as Los Alamos and LANL) is one of the sixteen research and development laboratories of the United States Department of Energy (DOE), located a short distance northwest of Santa Fe, New Mexico, ...
(LANL).
Common uses
Geographic information systems
MrSID was originally developed for
Geographic Information Systems
A geographic information system (GIS) is a type of database containing geographic data (that is, descriptions of phenomena for which location is relevant), combined with software tools for managing, analyzing, and visualizing those data. In a br ...
(GIS).
With this format, large
raster
Raster may refer to:
* Raster graphics, graphical techniques using arrays of pixel values
* Raster graphics edit