NAME

       phm2helix - calculate projections through a time varying phantom object.

SYNOPSIS

       phm2helix outfile ndet nview phmprog [OPTIONS]

DESCRIPTION

       phm2pj calculates projections through a time varying phantom object.

OPTIONS

       --outfile       Name of output file for projections

       --ndet          Number of detectors

       --nview         Number of rotated views

       --phmfile       Temporary phantom file name

                       herman          Herman head phantom

                       herman-b        Herman head phantom (Bordered)

                       shepp-logan     Shepp-Logan head phantom

                       shepp-logan-b   Shepp-Logan head phantom (Bordered)

                       unitpulse       Unit pulse phantom

       --phmfile name  Get Phantom from phantom file

       --desc          Description of raysum

       --nray          Number of rays per detector (default = 1)

       --rotangle      Degrees to rotate view through (multiple of PI) (default = 1)

       --geometry      Geometry of scanning

                       parallel        Parallel scan beams (default)

                       equilinear      Equilinear divergent scan beams

                       equiangular     Equiangular divergent scan beams

       --focal-length  Focal length ratio (ratio to radius of phantom) (default = 1)

       --field-of-view Field of view (ratio to diameter of phantom square) (default = 1)

       --trace         Trace level to use, one of:

                       none   No tracing (default)

                       console         Trace text level

       --verbose       Verbose mode

       --debug         Debug mode

       --version       Print version

       --help          Print a terse help message

AUTHORS

       Ian Kay, Ph.D.  Kevin Rosenberg, M.D. <kevin@ctsim.org>

HISTORY

       CTSim  was begun in 1983 using MS-DOS and an EGA display adapter. In 1999 it was ported to
       GNU/Linux and later ported to Microsoft Windows.

SEE ALSO

       ctsim(1) ctsimtext(1) if1(1) if2(1) ifexport(1) ifinfo(1) linogram(1) phm2if(1)  phm2pj(1)
       pj2if(1) pjHinterp(1) pjinfo(1) pjrec(1)