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University of Connecticut University Libraries MAGIC

Working with SID files

  1. What is a SID file?
  2. Why use a SID file?
  3. Does MAGIC use MrSID for its images?



What is a SID file?

MrSID is an acronym for Multi-resolution Seamless Image Database. MrSID is a powerful wavelet based image compressor, viewer and file format for massive raster images that enables instantaneous viewing and manipulation of images locally and over networks while maintaining maximum image quality. Features include unprecedented compression ratios while maintaining highest image quality, true multiple resolutions, selective decompression, seamless mosaicking and browsing.


Why use a SID file?


MrSID has been designed for a wide range of markets including mapping/GIS, document management, medical, games, and Internet-based delivery of imagery. Its next-generation technology provides:
  • Compression of raster images of virtually any size with no noticeable reduction in image quality.
  • Instant, seamless, multi-resolution browsing of massive images: No waiting, no tiles, no proxies.
  • Fast transmission of vast amounts of raster imagery via CD-ROMs, networks, and the Internet.

Does MAGIC use MrSID for its images?

MAGIC no longer uses the MrSID compression. Previous versions of aerial imagery and historical maps from MAGIC were converted to MrSID format but have since been replaced by uncompressed TIFF versions of each image.

Contact MAGIC

uconnlibmagic_research_help_is_offline

 

369 Fairfield Rd U 2005M
Storrs, CT 06269
magic@uconn.edu
860-486-4589


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