Re: Re: [MORPHMET] Digitizing landmarks on live larvae

2018-03-01 Thread Carmelo Fruciano
Dear Avi, elaborating further also based on Jim's answer, some open questions/considerations that you might entertain are: - if you intend to use sliding semilandmarks (which in general sounds like a good idea), how are certain points such as 1,39,41,55 going to be slid? (i.e., relative to

Re: [MORPHMET] Digitizing landmarks on live larvae

2018-02-28 Thread Avi Koplovich
Hi James, Thank you for your fast answer. I'll continue to mark the landmarks as separated sublets, i.e. head and tail. 1. Is it ok to use landmark 40 (intersection of the side line and the dorsal connection of the tail fin) as a common mark point to create a comb fan for both tail

RE: [MORPHMET] Digitizing landmarks on live larvae

2018-02-28 Thread f.james.rohlf
Bending of long slender organisms (or other structures) can be an important practical problem. Changes due to bending could dominate the results. Separating sets of landmarks into more rigid sublets can help as long as the endpoints of the subsets are homologous and not arbitrary or dependent