Dear Emma,
Thanks for your message. In fact, I had been able to solve the "problem"
(that is, avoid the error message from R) by assuring that the length of
the scale vector is equal to the length of the filelist variable; if said
vector is shorter than the file list, than the message appears. By keeping
the file list and the scale vector to the same length, no error message is
displayed when the last specimen is reached and the functions returns
normally to the R command prompt.
But when attempting to digitize just *one* image file, I got the error
message below:
Error in if (dim(newdata)[3] != length(filelist)) { :
missing value where TRUE/FALSE needed
It seems that a minimum of three specimens is required for using the
digitizing function of geomorph, so a warning messagem should be issued to
avoid the above message (whis is as ugly as all error messages in R).
Best regards,
2015-06-21 21:15 GMT-03:00 Emma Sherratt <[email protected]>:
> Dear Mauro,
>
> I cannot replicate at my end the ugly error message you mentioned occurs
> for you when the function reaches the end of filelist. I have added a line
> now to say:
> "All specimens in filelist have been digitized to tpsfile.tps". But I
> don't think this would fix what you are talking about. Please can you send
> me a copy of this error?
>
> Emma
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Emma Sherratt, PhD.
>
> Lecturer in Zoology,
> Zoology Division, School of Environmental and Rural Science,
> Room L112 Bldg C02,
> University of New England,
> Armidale, NSW, Australia, 2351
> Tel: +61 2 6773 5041
> email: [email protected]
> Twitter: @DrEmSherratt
>
> Caecilians are legless amphibians...
>
> * __
> (\ .-. .-. /_")
> \\_//^\\_//^\\_//
> `"` `"` `"`*
>
> learn more about them here: www.emmasherratt.com/caecilians
>
>
>
>
> On 9 June 2015 at 06:58, Mauro Cavalcanti <[email protected]> wrote:
>
>> Dear members of the geomorph Development Team,
>>
>> I have been using the digitize2d() function of the geomorph R package to
>> obtain landmark coordinates from my fish specimens.It works fine, but I
>> respectfully have two suggestions for its improvement.
>>
>> First one is quite simple: when end of file is reached and the last
>> specimen has been digitized, the function stops with one of those ugly and
>> arcane error messages (well, all programming languages generate ugly and
>> arcane error messages! ;-)). This should not happen; instead, the function
>> should issue a user-friendly warning, like "End of file", "Last specimen"
>> (or perhaps something less "friendly", like "Can't you see you have reached
>> the end of file, you moron?" ;-))
>>
>> Second suggestion may be more difficult to implement, but if it can be
>> done, it would provide a great improvement: the ability to edit a
>> previoulsly created file. Currently, the function detects the specimens
>> without landmark coordinates and starts digitizing from this specimen on;
>> if all specimens have already landmark coordinates, then the function stops
>> with the same ugly error messages referred to above. It would be really
>> great if one could see each specimen with the superimposed digitized
>> landmarks, one by one, so that landmarks could be checked, added, or
>> deleted.
>>
>> Hope this helps!
>>
>> With warmest regards,
>>
>> --
>> Dr. Mauro J. Cavalcanti
>> E-mail: [email protected]
>> Web: http://sites.google.com/site/maurobio
>>
>> --
>> MORPHMET may be accessed via its webpage at http://www.morphometrics.org
>>
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to [email protected].
>>
>
>
--
Dr. Mauro J. Cavalcanti
E-mail: [email protected]
Web: http://sites.google.com/site/maurobio
--
MORPHMET may be accessed via its webpage at http://www.morphometrics.org
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