[R] develop.raw error ( adimpro )

[Bert Gunter]

If you do not receive a satisfactory reply here, contacting the package
maintainer for such specific issues may be your next option. (S)he can be
found by maintainer("adimpro") .

Cheers,
Bert



Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Thu, Dec 21, 2017 at 3:40 AM, Cleber N.Borges via R-help <
r-help at r-project.org> wrote:

> Hello all,
> I'm trying to use the adimpro package to read RAW files (image). Make
> readins is OK!
> > r <-  read.raw( '20171218_210956.dng', type='RAW', compress=FALSE )
> > summary( r )
> > ### cut the many lines...
> Filter pattern: GR/BG
> > extract.info( r )
> [1] "GR/B"
> >
> To next, develop the raw file using the "develop.raw" function.
> But the function returns the error:
> >  dr <- develop.raw( r )
> Error in dim(mat) <- c(4, 3) :
>    dims [product 12] do not match the length of object [0]
>
> My suspicion is that the develop.raw function fails to get the correct
> Bayer's  pattern.
> Within the develop.raw function there is a code (below) that will always
> return the pattern as a variable of NULL value
>
> > bayer <- switch(extract.info( r ), RGGB =  1, GRBG = 2, BGGR = 3, GBRG
> = 4)
> > bayer
> NULL
> >
> Is there anything to do to get around the situation?
>
> Thank you so much
> Cleber Borges
>
> ps.: below more details
>
>
> ##############################
>  > r <- read.raw( '20171218_210956.dng', type='RAW', compress=FALSE )
>  > summary( r )
>           Image file: 20171218_210956.dng
>      Image dimension: 3024 4032
>          Color space: RAW
>          Color depth: 16bit
>     Gamma correction: FALSE  Type: None
>          White point: D65
>                Range: 0 65535
>
> EXIF-Information:
>
> Filename: 20171218_210956.dng
> Timestamp: Mon Dec 18 21:09:56 2017
> Camera: Samsung SM-G935F
> DNG Version: 1.4.0.0
> ISO speed: 200
> Shutter: 1/24.0 sec
> Aperture: f/1.7
> Focal length: 4.2 mm
> Embedded ICC profile: no
> Number of raw images: 1
> Thumb size:   504 x 376
> Full size:   4032 x 3024
> Image size:  4032 x 3024
> Output size: 3024 x 4032
> Raw colors: 3
> Filter pattern: GR/BG
> Daylight multipliers: 2.022219 0.916446 1.101952
> Camera multipliers: 1.765517 1.000000 1.675941 0.000000
>  > extract.info( r )
> [1] "GR/B"
>  >
>  > dr <- develop.raw( r )
> Error in dim(mat) <- c(4, 3) :
>    dims [product 12] do not match the length of object [0]
>  > ### my suspection
>  > bayer <- switch(extract.info( r ), RGGB = 1, GRBG = 2, BGGR = 3, GBRG
> = 4)
>  > bayer
> NULL
>
>  > sessionInfo()
> R version 3.4.2 (2017-09-28)
> Platform: x86_64-w64-mingw32/x64 (64-bit)
> Running under: Windows 7 x64 (build 7601) Service Pack 1
>
> Matrix products: default
>
> locale:
> [1] LC_COLLATE=Portuguese_Brazil.1252 LC_CTYPE=Portuguese_Brazil.1252
> [3] LC_MONETARY=Portuguese_Brazil.1252 LC_NUMERIC=C
> [5] LC_TIME=Portuguese_Brazil.1252
>
> attached base packages:
> [1] grid      stats     graphics  grDevices utils datasets  methods
> [8] base
>
> other attached packages:
> [1] fields_9.0       maps_3.2.0       spam_2.1-1 dotCall64_0.9-5
> [5] adimpro_0.8.2    awsMethods_1.0-4
>
> loaded via a namespace (and not attached):
> [1] compiler_3.4.2 tools_3.4.2
>  >
>
>
>
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