Re: Loading and average PGM files

[Mathieu]

It's okay for me to ssh, did you receive my email?

octave:6> imread('1.pgm')
warning: your version of GraphicsMagick limits images to 8 bits per pixel
error: imread: invalid image file: Magick++ exception: Magick: Unable to
open file (nts/test/Following/d/1.pgm) reported by coders/pnm.c:275
(ReadPNMImage)
error: called from:
error:   /usr/share/octave/3.6.2/m/image/imread.m at line 74, column 7

I checked all the coders/pnm.c :

/home/mja/.local/share/Trash/expunged/1266063412/imagemagick-6.6.2.6/coders/pnm.c
:

   267  
   268    /*
   269      Open image file.
   270    */
   271    assert(image_info != (const ImageInfo *) NULL);
   272    assert(image_info->signature == MagickSignature);
   273    if (image_info->debug != MagickFalse)
   274      (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
   275        image_info->filename);
   276    assert(exception != (ExceptionInfo *) NULL);
   277    assert(exception->signature == MagickSignature);
   278    image=AcquireImage(image_info);
   279    status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
   280    if (status == MagickFalse)
   281      {
   282        image=DestroyImageList(image);
   283        return((Image *) NULL);
   284      }
   285    /*
   286      Read PNM image.
   287    */



/home/mja/Graphicsmagick/graphicsmagick-1.3.12/coders/pnm.c :

   262    Quantum
   263      *scale;
   264  
   265    /*
   266      Open image file.
   267    */
   268    assert(image_info != (const ImageInfo *) NULL);
   269    assert(image_info->signature == MagickSignature);
   270    assert(exception != (ExceptionInfo *) NULL);
   271    assert(exception->signature == MagickSignature);
   272    image=AllocateImage(image_info);
   273    status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
   274    if (status == False)
   275      ThrowReaderException(FileOpenError,UnableToOpenFile,image);
   276    /*
   277      Read PNM image.
   278    */
   279    count=ReadBlob(image,1,(char *) &format);
   280    do
   281      {
   282        /*



There is only 205 lines in this file :
/home/mja/Documents/ffmpeg/libavcodec/pnm.c

Don't know if it can help...

Regards,


Mathieu

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