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The graphic formats available in SPENVIS are listed in the table below. The format selection has no influence if VRML visualisation was chosen. In this case, both a JPEG and a VRML file are created.
|Graphic format||Extension||MIME type||Expanded acronym|
|GIF||gif||image/gif||Graphical Interchange Format|
|PNG||png||image/x-png||Portable Network Graphics|
|TIFF||tif||image/tiff||Tag Image File Format|
|CGM||cgm||image/cgm||Computer Graphics Metafile|
|JPEG||jpg||image/jpeg||Joint Photographic Experts Group|
|VRML||wrl||model/vrml||Virtual Reality Modeling Language|
Because the LZW (Lempel-Zif-Welch) compression algorithm has been patented by the Unisys Corporation, and users of this technology are required to enter into a licence agreement with Unisys Corporation, the GIF format may no longer be supported in the future. PNG and TIFF formats are now provided as an alternative.