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XFM2DEF(1)		       MINC User's Guide		    XFM2DEF(1)

NAME
       xfm2def - convert a MNI transform file to a deformation volume

SYNOPSIS
       xfm2def [options] input.xfm def_vol.mnc

DESCRIPTION
       xfm2def takes an	input transform	input.xfm that can consist of a	series
       of  concatenated	transforms in a	single xfm file	and converts this into
       a single	deformation volume that	is output as  def_vol.mnc.  Note  that
       the output is not a tranform file itself, you can then make use of this
       volume in a MINC	tranform by creating an	.xfm file as such:

	  MNI Transform	File

	  Transform_Type = Grid_Transform;
	  Displacement_Volume =	def_vol.mnc;

       The  output  resolution	and  sampling  of the deformation grid must be
       specified or a default size will	be used. (100x100x100 1mm  steps  cen-
       tred around the origin).

OPTIONS
       -help  Print summary of command-line options and	exit.

       -version
	      Print the	program's version number and exit.

       -verbose
	      Print out	extra progress information while running.

       -clobber
	      Overwrite	any existing output file

       -xnelements nx
	      Number of	elements along the xspace dimension.

       -ynelements ny
	      Number of	elements along the yspace dimension.

       -znelements nz
	      Number of	elements along the zspace dimension.

       -xstep xstep
	      Step between voxels along	the xspace dimension.

       -ystep ystep
	      Step between voxels along	the yspace dimension.

       -zstep zstep
	      Step between voxels along	the zspace dimension.

       -xstart xstart
	      Position of centre of first voxel	along the xspace dimension.

       -ystart ystart
	      Position of centre of first voxel	along the yspace dimension.

       -zstart zstart
	      Position of centre of first voxel	along the zspace dimension.

       -xdircos	x1 x2 x3
	      Direction	cosines	for the	xspace dimension.

       -ydircos	y1 y2 y3
	      Direction	cosines	for the	yspace dimension.

       -zdircos	z1 z2 z3
	      Direction	cosines	for the	zspace dimension.

AUTHOR
       Andrew Janke

COPYRIGHTS
       Copyright (C) 2010 Andrew Janke - a.janke@gmail.com

			 $Date:	2010-08-11 04:06:42 $		    XFM2DEF(1)

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