pfsoutimgmagick(1) [suse man page]

pfsoutimgmagick(1)					      General Commands Manual						pfsoutimgmagick(1)

NAME

       pfsoutimgmagick - Write images or frames using Image Magick library

SYNOPSIS

       pfsoutimgmagick [--linear] [--quality <val>] [--bit-depth] [--frames <range>]) <file> [<file>...]

DESCRIPTION

       This  command  can  write images or frames in the multitude of image formats supported by the ImageMagick library. This includes but is not
       limited to: BMP, JPG, PNG, GIF, EPS, TIFF, DPX. See the manual page of ImageMagick for the full list of available formats.

       pfsoutimgmagick reads images or frames in pfs format from the Standard Input and writes them under the specified file name(s).

       The input of pfsinimgmagick must be within 0-1 range. If LUMINANCE tag set is set to RELATIVE or ABSOLUTE, the linear values will be  gamma
       corrected, assuming sRGB color space. Use --linear switch to disable gamma correction.

       The  images  are stored using the bit-depth for which the ImageMagick library was compiled (default is 16 bit). Note that some formats (for
       example JPEG) do not support encoding more than 8 bits per color channel. To use higher bit-depths, store images in the PNG format.

       This command stores 'ALPHA' channel if it is present in the pfs stream.

       Each file name can contain a %d pattern, which is substituted with frame numbers. The pattern has the same syntax as C printf command.  For
       example, you can use %04d to make the frame number four digit with proceedings zeros. You can select the frames using the following options
       (the options must be always given after the file name):

       --frames <range>
	      Range is given in mathlab / octave format:

	      startframe:step:endframe

	      Frame numbers start with startframe (default 0), are increased by step (default 1) and stop at endframe You can skip  one  of  those
	      values, for example 1:100 for frames 1,2,...,100 and 0:2: for frame 0,2,4,... up to the last file that exists.

       --srgb, -s
	      Apply  the  sRGB non-linearity (approximately 2.2 gamma) before writing a file. This can be used instead of using pfsgamma -g 2.2 to
	      store the result of some tone-mapping operators. The option will compress contrast to make sure that tone values are properly  shown
	      on a display. It should be only used with linearized (not gamma corrected) images that are normalized to the 0-1 range.

       --quality <val>, -q <val>
	      Set JPEG/PNG compression level from 1 to 100. Default 75.

       --bit-depth <val>, -b <val>
	      Enforce  bit-depth  (per	color  channel).  The allowed values are from 8 to 32. If not specified, the bit depth from the pfs stream
	      ('BITDEPTH' tag) will be used instead. If the 'BITDEPTH' tag is missing, the ImageMagick default value will be  used  (usually  16).
	      The bit depth of actually stored file may be lower of that specified, if the file format does not support higher bit depths.

EXAMPLES

	pfsin test.jpg | pfsout test.png
	      Convert from one image format to another.

	pfsin --linear test.jpg | pfsout --srgb test.png
	      The same as above, but apply inverse gamma correction after reading an image (--linear) and then apply gamma correction before writ-
	      ing an image (--srgb).

BUGS

       pfsoutimgmagick can not write frames to the standard output.

       Please report bugs and comments on implementation to the discussion group http://groups.google.com/group/pfstools

SEE ALSO

       pfsout(1) ImageMagick(1)

																pfsoutimgmagick(1)

pfsinimgmagick(1)					      General Commands Manual						 pfsinimgmagick(1)

NAME

       pfsinimgmagick - Load images or frames using ImageMagick++ library

SYNOPSIS

       pfsinimgmagick (<file> [--linear] [--absolute <max_lum>] [--frames <range>] [--skip-missing])  [<file>...]

DESCRIPTION

       This  command  can  load  images or frames in the multitude of image formats supported by the ImageMagick library. This includes but is not
       limited to: BMP, JPG, PNG, GIF, EPS, TIFF, DPX. See the manual page of ImageMagick for the full list of available formats.

       pfsinimgmagick reads images or frames from files and writes pfs stream to the Standard Output. The pfs stream is usually piped  to  another
       program for further processing. To detect the format automatically based on the extension, use pfsin command.

       The  output  of	pfsinimgmagick	is scaled to 0-1 range, unless '--absolute' option is specified. By default, the 'LUMINANCE' tag is set to
       'DISPLAY' contents. Using the '--linear' switch you can force the inverse sRGB transformation to provide linear	data.  In  this  case  the
       'LUMINANCE' tag is set to 'RELATIVE' contents. '--absolute' switch can be used to convert pixels to absolute luminance values.

       This command handles properly 'alpha' channel (transparency) stored in images.

       Each file can contain a %d pattern, which is substituted with frame numbers. The pattern has the same syntax as C printf command. For exam-
       ple, you can use %04d to make the frame number four digit with proceedings zeros. You can select the frames  using  the	following  options
       (the options must be always given after the file name):

       --frames <range>
	      Range is given in mathlab / octave format:

	      startframe:step:endframe

	      Frame  numbers  start  with startframe (default 0), are increased by step (default 1) and stop at endframe You can skip one of those
	      values, for example 1:100 for frames 1,2,...,100 and 0:2: for frame 0,2,4,... up to the last file that exists.

       --skip-missing
	      Skip up to ten frames in a row if corresponding files are missing. Otherwise the program stops reading sequence at  the  first  file
	      that  does not exists. This switch does not apply to the first frame in a sequence. This switch can be useful if there is a rendered
	      animation where some of the frame has not been generated.

       --linear, -l
	      Converts pixel values to linear luminance (XYZ), assuming the sRGB color	space  for  the  input	image.	The  maximum  pixel  value
	      (255,255,255) is mapped to Y=1. LUMINANCE tag is set to RELATIVE.

       --absolute <max_lum>, -a <max_lum>
	      --absolute  converts  pixel values to an absolute linear luminance (XYZ), that is the color space, in which channel Y contains lumi-
	      nance given in cd/m^2. The sRGB color space is assumed for the input image. The maximum  pixel  value  (255,255,255)  is	mapped	to
	      Y=<max_lum>.  <max_lum>  is  typically  set  to  80 [cd/m^2] for a CRT monitor. LUMINANCE tag is set to ABSOLUTE. --absolute process
	      images almost the same as --relative, but additionally it scales all pixels by <max_lum>.

EXAMPLES

       pfsinimgmagick frame%04d.dpx --frames 0:10 | pfsview

	      Read frames from files frame0000.dpx, frame0001.dpx, ..., frame0010.dpx and show them using pfsview.

BUGS

       pfsinimgmagick can not read frames from the Standard Input.

       Please report bugs and comments on implementation to the discussion group http://groups.google.com/group/pfstools

SEE ALSO

       pfsin(1), pfsout(1) ImageMagick(1)

																 pfsinimgmagick(1)