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Alexandre dos Santos
Prote??o Florestal
IFMT - Instituto Federal de Educa??o, Ci?ncia e Tecnologia de Mato Grosso
Campus C?ceres
Caixa Postal 244
Avenida dos Ramires, s/n
Bairro: Distrito Industrial
C?ceres - MT CEP: 78.200-000
Fone: (+55) 65 99686-6970 (VIVO) (+55) 65 3221-2674 (FIXO)
alexandre.santos at cas.ifmt.edu.br
Lattes: http://lattes.cnpq.br/1360403201088680
OrcID: orcid.org/0000-0001-8232-6722
Researchgate: www.researchgate.net/profile/Alexandre_Santos10
LinkedIn: br.linkedin.com/in/alexandre-dos-santos-87961635
Mendeley:www.mendeley.com/profiles/alexandre-dos-santos6/
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Em 27/09/2018 04:01, Florian Betz escreveu:
> Dear Alexandre,
>
> instead of converting the image to a SpatialPixelDataFrame converting
> to a raster object might be an alternative.
>
> r_pines<-raster(d_pines)
> writeRaster(r_pines, "Pines.tif")
>
> Regards,
> Florian
>
> Am 26.09.2018 um 22:25 schrieb ASANTOS via R-sig-Geo:
>> Dear R-sig-geo Members,
>>
>> ? ??? I've like to create Kernel image results as *tif using an
>> object of
>> density() function output in spatstat package. But in my example,
>> doesn't work when I try:
>>
>> #Packages
>> library(spatstat)
>> library(raster)
>> library(rgdal)
>>
>>
>> #Swedishpines's data set in spatstat package
>> data(swedishpines)
>> plot(swedishpines)
>>
>> #CSR with K-Ripley test
>> csr_pines <- envelope(swedishpines, Kest, nsim=99)
>> plot(csr_pines)
>> # r=0.75 is outside CSR
>>
>> #Kernel representation using 0.75 as bandwidth
>> d_pines<-density(swedishpines, bw=0.75)
>> plot(d_pines)
>>
>> #Create TIFF image
>> r_pines <- as(d_pines, "SpatialPixelsDataFrame")
>> writeGDAL(r_pines, "Pines.tif")
>> #
>>
>>> r_pines <- as(d_pines, "SpatialPixelsDataFrame") Error in as(d_pines,
>> "SpatialPixelsDataFrame") : no method or default for coercing ?im? to
>> ?SpatialPixelsDataFrame?
>>
>> Please any ideas for corrected this?
>>
>> Thanks in advanced,
>>
>> Alexandre
>>
>