[R-sig-Geo] Error message in adehabitatHR

[Clement Calenge]

On 03/21/2013 09:29 AM, Edzer Pebesma wrote:
> On 03/20/2013 10:55 PM, Manuel Spínola wrote:
>> Dear list members, sorry for cross posting but I didn´t get a solution from
>> the R-sig-ecology,
>>
>> When working with adehabitatHR after fitting a kernel I got the following
>> erro message that I don´'t understand:
>>
>>> kud <- kernelUD(analisisUtm[,5], h="href")
>>> kud
>> ********** Utilization distribution of several Animals ************
>>
>> Type: probability density
>> Smoothing parameter estimated with a  href smoothing parameter
>> This object is a list with one component per animal.
>> Each component is an object of class estUD
>> See estUD-class for more information
>>
>>> class(kud)
>> [1] "estUDm"
>>> ver <- getverticeshr(kud, percent=95)
>> Error: identicalCRS(x, y) is not TRUE
> because of a change in sp and in R, adehabitatHR had to change from
> using the deprecated overlay() to using over(), and this led to a change
> in getverticeshr(). In contrast to overlay(), over() checks that both
> its arguments have identical CRS, which was not the case here.
>
> @Clement: I guess that in getverticeshr.r, line 42, the
> SpatialPolygons() call needs to pass on the CRS as second argument named
> "proj4string". You might want to check the other occasions of changes
> from overlay() into over().

Oops… I overlooked this aspect when changing overlay() for over(). I 
will correct these bugs today.
Sorry for the bugs,
Best,

Clément Calenge





>
>>
>> Best,
>>
>> Manuel
>>
>>
>>
>>
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>> R-sig-Geo at r-project.org
>> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
>>


-- 
Clément CALENGE
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