-------- Original Message --------
Subject: RE: Purpose of the "use scale factor" option in tpsUtil: convert tps to CSV
Date: Tue, 09 Feb 2010 21:43:00 -0500
From: F. James Rohlf <[email protected]>
Organization: Stony Brook University
To: [email protected]
References: <[email protected]>

A weight matrix cannot be stored in a TPS so the "use scale factor" option
is not relevant.

The option is relevant when converting a tps file (which is always a 'data
file' giving landmark coordinates) to an NTS file. The coordinates are in
pixel units in a TPS file. If that option is checked then the coordinates
will be multiplied by the scale factor when stored in an NTS file.

----------------------
F. James Rohlf, Distinguished Professor
Dept. Ecology and Evolution, Stony Brook University, NY 11794-5245

-----Original Message-----
From: morphmet [mailto:[email protected]]
Sent: Tuesday, February 09, 2010 3:14 PM
To: morphmet
Subject: Purpose of the "use scale factor" option in tpsUtil: convert tps to
CSV



-------- Original Message --------
Subject:        Purpose of the "use scale factor" option in tpsUtil: convert
tps to CSV
Date:   Thu, 4 Feb 2010 14:24:51 -0500
From:   Travis Haas <[email protected]>
To:     [email protected]



I'm unsure of the use of the "use scale factor" option in the tpsUtil
program when converting a tps format weight matrix to a CSV format
weight matrix.  I assumed (perhaps wrongly?) that the scale factor was
incorporated into the weight matrix when initially calculated.  After
reading the help file, I remain confused.  What is the effect of "using
scale factor" when converting formats?

Travis Haas

Ph.D. Student
Dept. Ecol. and Evol. Biol.
Tulane Univ.
New Orleans, LA

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