-------- Original Message --------
Subject: Re: Multiple Point Linear Measurements
Date: Fri, 26 Dec 2008 08:06:52 -0800 (PST)
From: Dennis E. Slice <[email protected]>
To: [email protected]
References: <[email protected]>
The *old* Morpheus et al. (available here:
http://www.morphometrics.org/id6.html) allows the inclusion of geometry
commands into the data file or appended from a separate file of the form:
DIST "" i j
Add as many as you want to define the segments. You can then export the
data as a matrix and the distances will be columns. These can be read
directly into R or cut-and-pasted into a spreadsheet. Sum those columns
and you have your measurement.
The *new* Morpheus, of course, supports this same syntax in the data
file, but does not yet export those results. I can't recall just now if
it prints them in any listing.
Best, ds
morphmet wrote:
-------- Original Message --------
Subject: Multiple Point Linear Measurements
Date: Fri, 26 Dec 2008 07:22:58 -0800 (PST)
From: Matthew Smith <[email protected]>
To: [email protected]
I have been attempting to find a program and/or code that will allow
me to use GM software to calculate a linear distance through multiple
points. In my previous research I used Rohlf's TPS software, but TPS
Dig2 only allows 2-point measurements and does not allow you to save
those to a file easily (at least form what I have tried). I have also
looked at Morphologika and MorphoJ, but again I could not figure out
how to do it. I found a Mathematica notebook that writes code and
calculates distances from a tps file from a GM program, but this is
only written for 2-point measurements as well. My goal is to use this
method to obtain SVL measurements from photographed snakes. While I
can obtain these measurements from ImageJ, I am looking for a way to
streamline the process. I would like to use GM software to place
landmarks along the ventral surface (20-40 landmarks) which can be
placed while I place the landmarks for my shape analysis. I would then
like to be able to tell a program the starting and ending landmarks
(or the whole string), import the landmark file and be able to obtain
and output file with the linear distance measurements for each
individual. Does anyone know of some GM software that can currently do
this or that would be easily modified to do so? Thank you for your
suggestions.
Matthew Smith
PhD Student
Department of Biological Sciences
1 University of Arkansas
Science Engineering Building
Fayetteville, AR 72701-1201
479-575-2963
[email protected]
--
Dennis E. Slice
Associate Professor
Dept. of Scientific Computing
Florida State University
Dirac Science Library
Tallahassee, FL 32306-4120
-
Guest Professor
Department of Anthropology
University of Vienna
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