[R] EBImage do not read an Image: requested image not found or could not be loaded --- RESOLUTION

[Cleber Borges]

Hi,

with intention of to make register of a workaround...

I uninstalled the ImageMagick Q8 and installed a Q16 version and works 
fine! :-)

example(EBImage) run for every demos!!!

Thanks
Cleber N. Borges

C:\Documents and Settings\Cleber>convert -version
Version: ImageMagick 6.5.7-9 2009-11-19 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2009 ImageMagick Studio LLC
Features: OpenMP





Cleber Borges escreveu:
> Thanks Uwe for your reply.
>
> I can open the lena-color.png file with several programs: firefox, M$ 
> Picture Manager, IMDisplay (GUI of ImageMagick)
> I converted lena-color.png in lena2.jpeg using M$ Picture Manager.
>
> With a old version of rimage package, I can read JPEG files (only) 
> with "read.jpeg" functions...
> the others functions of the EBImage package, (ex.: blur, rotate, 
> flip)  works fine! because works for array class...
>
> So, the lena-color file seems fine!
>
> The problem should be some interaction of my winXP configuration with 
> the readImage function ("lib_readImages")
>
> Thanks again...
> Cleber N. Borges
>
> ### Making tests..
> ----------------------------------------
> > library(rimage)
> Warning message:
> package 'rimage' was built under R version 2.8.1 and help will not 
> work correctly
> Please re-install it
> > f <- 'C:/R/library/EBImage/images/lena2.jpg'
> >
> > f
> [1] "C:/R/library/EBImage/images/lena2.jpg"
> >
> > x <- read.jpeg( f )
> > class(x)
> [1] "imagematrix" "array"     > dim(x)
> [1] 512 512   3
> >
> >
> > library(EBImage)
> Loading required package: abind
>
> Attaching package: 'EBImage'
>
>
>        The following object(s) are masked from package:rimage :
>
>         equalize,
>         normalize
>
> > ?blur   # woks fine
> >      if (interactive()) display(x)
> >     >         y = blur(x, r=3, s=2)
> >         if (interactive()) display(y, title='blur(x, r=3, s=2)')
> >     >         y = gblur(x, r=3, s=2)
> >         if (interactive()) display(y, title='gblur(x, r=3, s=2)')
> >     > ?rotate  # works fine
> > >         y = flip(x)
> >         if (interactive()) display(y, title='flip(x)')
> >     >         y = flop(x)
> >         if (interactive()) display(y, title='flop(x)')
> >     >         y = resize(x, 128)
> >         if (interactive()) display(y, title='resize(x, 128)')
> >     >         y = rotate(x, 30)
> >         if (interactive()) display(y, title='rotate(x, 30)')
> >     >
> >
>
>
>
>
>>
>>
>> Cleber Borges wrote:
>>> Hello all,
>>>
>>> I am trying to use the EBImage package,
>>> (EBImage 3.2.0 and ImageMagick 6.5.7-9 2009-11-19 Q8 (dinamic 
>>> linked) with R 2.10.0 winXP)
>>> but I get the following error:
>>>
>>> #---------------------------------------------
>>>  > library(EBImage)
>>> Loading required package: abind
>>>  > ?readImage
>>>  >  ## Reads and display images
>>>  >         f = system.file("images", "lena-color.png", 
>>> package="EBImage")
>>>  > f
>>> [1] "C:/R/library/EBImage/images/lena-color.png"
>>>  >
>>>  >  x = readImage(f)
>>> Warning message:
>>> In readImage(f) : requested image not found or could not be loaded
>>>  > x
>>> NULL
>>>
>>>
>>> Is there a way of to solve the problem? Or make a workaround? (but 
>>> with no source code compilation)
>>>
>>
>> Works for me with the same setup.
>> Are yiu sure the file exists on your machine and is uncorrupted. Do 
>> you have access and read permissions?
>>
>> Uwe Ligges
>>
>>
>>
> [[elided Yahoo spam]]
>>> Cleber Nogueira Borges
>>>
>>>
>>>
>>> ============================
> [[elided Yahoo spam]]
> [[elided Yahoo spam]]
>>> Error in readImage() : cancel pressed or no image could be loaded
>>> In addition: Warning message:
>>> In readImage() : requested image not found or could not be loaded
>>>
>>> ============================
>>>
>>> ### PATH of windows xp system
>>> ----------------------------------------------------------------------------------------------------------- 
>>>
>>>
>>> C:\Documents and Settings\Cleber>path
>>> PATH=C:\ImageMagick;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\system32\WBEM;C 
>>>
>>> :\GTK\bin;C:\GTK\lib
>>>
>>> C:\Documents and Settings\Cleber>convert -version
>>> Version: ImageMagick 6.5.7-9 2009-11-19 Q8 http://www.imagemagick.org
>>> Copyright: Copyright (C) 1999-2009 ImageMagick Studio LLC
>>> Features: OpenMP
>>>
>>>
>>> ### details about R session
>>> ----------------------------------------------------------------------------------------------------------- 
>>>
>>>
>>>  > sessionInfo()
>>> R version 2.10.0 (2009-10-26)
>>> i386-pc-mingw32
>>>
>>> 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] stats     graphics  grDevices utils     datasets  methods   
>>> base   other attached packages:
>>> [1] EBImage_3.2.0 abind_1.1-0
>>> loaded via a namespace (and not attached):
>>> [1] tools_2.10.0
>>>  >
>>>
>>> ______________________________________________