----- Forwarded message from William
Ary <williamjames...@gmail.com> -----
Date: Tue, 9 Apr 2013
00:36:39 -0400
From: William Ary <williamjames...@gmail.com>
Reply-To: William Ary <williamjames...@gmail.com>
Subject:
Re: Why semilandmarks when I can use lendmarks?
To:
morphmet@morphometrics.org
Hello, Bernd
The short answer is that you should use semilandmarks when you wish to improve the homology of low quality type 2 or 3 landmarks or when you wish to capture variation in surfaces without distinct points of homology on them that are nontheless homologous. For example, you could place semilandmarks along the diastema between a rodent's incisors and molars. There are no easy to use homologous points there, but the region itself is homologous. For more information, I recommend the GM primer by Zelditch, Swiderski and Sheets.
Will
----- Forwarded message from "bfrankemoe...@t-online.de" <bfrankemoe...@t-online.de> -----
Date: Mon, 8 Apr 2013 13:49:19 -0400
From: "bfrankemoe...@t-online.de" <bfrankemoe...@t-online.de>
Reply-To: "bfrankemoe...@t-online.de" <bfrankemoe...@t-online.de>
Subject: Why semilandmarks when I can use lendmarks?
To: morphmet@morphometrics.orgHey guys,
sorry for asking such a basic question, however, I have to admit that I don´t understand what semilandmarks are there for.
Why should I use semilandmarks when I can use real landmarks as well? - I have the feeling that I miss an important point there.
Can somebody tell me what makes semilandmarks important and when it is reccomended to use them?
Best wishes and thanks in advance,
Bernd
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