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.\" Copyright (c) 1994-1997 Michael J. Gourlay
.TH XMORPH 1
.SH NAME
xmorph \- digital image warping (morphing) for X window system
.SH SYNOPSIS
.B xmorph
.RB "[\|" \-start
.I srcimgfile
.RB "[\|" \-finish
.IR destimgfile "\|]\|]"
.SH DESCRIPTION
.B xmorph
is a digital image warping program, also known as a "morphing"
program. It runs under the X Window System.
.LP
If
.I imgfile
names are provided on the command line, then those images are loaded
in. Otherwise,
.B xmorph
generates images to be used in lieu of images
provided by the user. Images may be loaded from menus within
.BR xmorph .
.LP
.B xmorph
has built-in help pages that answer questions about the details
of its use. Run
.B xmorph
and look at the online help for more information.
.SH OPTIONS
.TP
.B \-start \fIsrcimgfile\fP
Read the
.I srcimgfile
as the "source" image.
.TP
.B \-finish \fIdestimgfile\fP
Read the
.I destimgfile
as the "destination" image.
.SH "MAKING MOVIES"
.B xmorph
is NOT a tool for making movies.
.B xmorph
is intended to be used with OTHER tools for editting movies in the
digital domain. I do not intend to add movie making abilities to
.BR xmorph .
.LP
However, morphing is fun for some people who don't
already have the means for making movies, so here is a brief
explanation of how to make a movie from the images generated by
.BR xmorph :
.LP
xmorph uses the TrueVision Targa (TGA) image file format. You can
use PBMplus or netpbm or ImageMagick to convert Targa to other still
image formats. (This will be necessary if, for example, you use the
Berkeley MPEG encoder.) See ftp://ikaros.fysik4.kth.se/pub/netpbm/.
.LP
Use another program, such as Berkeley's mpeg_encode, or SGI's
dmconvert, to turn the sequence of images that
.B xmorph
created into a single animation. See
ftp://mm-ftp.cs.berkeley.edu/pub/multimedia/mpeg/encode/.
.LP
Use another program, such as mpeg_play, or movieplayer, to view the
animation. See
ftp://mm-ftp.cs.berkeley.edu/pub/multimedia/mpeg/play/.
.LP
There are plenty of other programs available for doing that, and many
of them are excellent.
.SH AUTHOR
Written and Copyright (C) 1994-1996 by Michael J. Gourlay.
.LP
Help came from many places, including Andy Thaller, Warwick Allison,
and Mike Hoefelein.
.LP
The original morphing algorithm is presented in ``A Two-Pass Mesh
Warping Algorithm for Object Transformation and Image
Interpolation'', ILM Technical Memo #1030, Computer Graphics
Department, Lucasfilm Ltd., 1990.
.LP
Mesh-based digital image warping is discussed in detail in
.I Digital Image Warping
by George Wolberg.
.SH "SEE ALSO"
.BR X (1),
.BR ppmtotga (1),
(netpbm or PBMplus),
.BR tgatoppm (1),
(netpbm or PBMplus),
.BR mpeg_encode (1)
from U.C. Berkeley,
.BR mpeg_play (1)
from U.C. Berkeley,
ImageMagick,
.BR dmconvert (1),
(under Silicon Graphics IRIX).
.BR movieplayer (1)
(under Silicon Graphics IRIX).
.LP
Adobe Premier,
Art Department Pro Professional Conversion Pack (under Amiga).
.SH BUGS
The only image file type currently supported is Truevision Targa
(TGA) but
.B xmorph
will load any type of Targa, such as 8-bit, 15-bit, or 16-bit
colormapped or grayscale; 24-bit or 32-bit true color (with or
without alpha channel); run-length encoded or uncompressed.
.LP
Some versions of the program "xv" can not read xmorph's TGA image files.
This is a bug in "xv", not in xmorph.
.LP
Report bugs to michael.gourlay@colorado.edu
.SH "WEB SITE"
http://ucsub.colorado.edu/~gourlay
http://ucsub.colorado.edu/~gourlay/Software/Graphics/xmorph.tar.gz
http://ucsub.colorado.edu/~gourlay/Software/Graphics/xmorph.README
http://ucsub.colorado.edu/~gourlay/Software/Graphics/xmorph.txt
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