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								IVDOWNGRADE(1)

NAME
     ivdowngrade - converts Inventor 2.1 files to the Inventor 2.0 and 1.0
     formats

SYNOPSIS
     ivdowngrade [-v targetVersion] [infile outfile | infile ]

DESCRIPTION
     ivdowngrade reads the input file infile and converts it to the Inventor
     format specified by -v targetVersion , either 1.0 or 2.0. If the -v
     option is not specified, an Inventor V2.0 file will be generated. The
     input file can be in Inventor or VRML format. The output will always be
     in ascii format.  If no output file is specified, ivdowngrade writes to
     stdout. If no input file is specified as well, ivdowngrade reads from
     stdin.

EXAMPLE
     ivdowngrade -v 1.0 foo.iv moo.iv
	   Downgrades the file foo.iv to Inventor V1.0 format, writing to
	   moo.iv.

     ivdowngrade goo.iv
	   Downgrades the file goo.iv to Inventor V2.0 format, writing to
	   stdout.

NOTES
     Because of differences between the 1.0 and 2.0 file formats, some data
     may be lost during the conversion to 1.0. For instance, the 2.0 file
     format for SoSeparator contains fields for caching and culling, but the
     1.0 format for SoSeparator has no fields. This information is lost during
     the conversion process.
     No data is lost going from the 2.1 to the 2.0 format.

FILES
     /usr/share/data/models/* - Sample Inventor data files

SEE ALSO
     inventor, ivcat, ivview, SceneViewer, gview, webspace

Page 1				 Release 6.5			   August 1991

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