View Full Version : Re: Establishment of

Gypsy Warling
10-06-1997, 04:55 AM
Does anyone have the book" Feeding, Digestion and Assimulation in
Animals"?I am at god3272@imap2.asu.edu. Thanks.

On Fri, 12 Sep 1997, Jeff Walker wrote:

> >Our research group at the Veterinary Orthopedic Reseach Laboratory at UC
> >Davis is investigating the use of helical computed tomography images in a
> >study of the knematics, morphometry, and biomechanics of the elbow joint.
> >We would like to develop a Cartesian coordinate system that can be applied
> >consistantly to the elbow joint of every specimen or patient. The purpose
> >is for the subsequent comparison of measurments between samples or patients.
> >
> >We have not been able to find a reference to this this type of system in
> >any joint or guidance as to how Cartesian coordinate systems should be set
> >up in biological specimens with three dimensional images.
> Kurt, shape differences among configurations of Cartesian coordinates of
> homologous landmarks (in 2D or 3D) can be analyzed using either
> superimposition analysis or a thin-plate spline analysis and its
> decomposition. The best place to start is the Stony Brook morphometrics www
> site:
> http://life.bio.sunysb.edu/morph/
> The Stony Brook site has a glossary, bibliography, all the software,
> addresses of morphometricians, etc.
> I have Power Macintosh software to do most of the basic geometric
> morphometrics (in 2D) on my WWW site:
> http://jaw.fmnh.org/Morphometrics.html
> and there is also Dennis Slice's software that runs on about every OS and
> analyzes 3D data:
> http://life.bio.sunysb.edu/morph/morpheus/
> Joint shape has often been measured as an outline. For outline data the
> software is not as well developed. At the Stony Brook site there is an
> Elliptic Fourier analysis package to describe and compare outlines and a
> macintosh program that uses Eigenshape analysis. As far as I can tell these
> only analyze 2D data.
> Good luck.
> Jeff
> -------------
> Jeff Walker
> Dept. of Zoology
> Field Museum of Natural History
> Roosevelt Rd. at Lake Shore Dr.
> Chicago, IL 60605, USA
> phone: 312-922-9410 x537 fax: 312-427-7269
> email: walker@fmppr.fmnh.org
> web: http://jaw.fmnh.org/Home.html
> "I like practical applications in mathematics, rather than speculating
> about the first ten to the minus something seconds of the universe.
> Cosmology seems to be almost too close to theology to be interesting.
> To me, it is not quite science, but more like creation myth."
> - Sir James Lighthill
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