pfsin(1) [suse man page]

pfsin(1)						      General Commands Manual							  pfsin(1)

NAME

       pfsin - Read an image in one of the several formats and write pfs stream to the standard output

SYNOPSIS

       pfsin <file> [<file>...]

DESCRIPTION

       This  command can be used to read high- or low- dynamic range image in several recognized formats and output pfs stream on standard output.
       The pfs stream is usually piped to another program for further processing (see examples). To get a list of recognized  formats  and  exten-
       sions, execute:

	 pfsin --help

       This command is a front-end for pfsin* programs for reading images: pfsinrgbe, pfsinexr, etc. Based on the file extension, appropriate pro-
       gram is executed. If two different file format are given as parameters, two different program for loading images are  executed.	Additional
       options	starting  with	dash  '-'  can	be passed to pfsin* programs. The following rules apply for passing the options: the options given
       before any image file name (or %d pattern) are passed to all pfsin* programs. Options given after image file name are only  passed  to  the
       program executed for that file(s). Note also that all option that take an argument (except --frames) must given in the form --option=value,
       that is without a space between an option and its argument.

OPTIONS

       The following options are shared by most pfsin* commands, although some may not accept --absolute and may ignore --linear.

       --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 frames 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

       pfsin memorial.pic | pfsview

	      See a hdr image in Radiance format (RGBE).

       pfsin memorial.pic | pfstmo_drago03 | pfsout memorial.jpeg

	      Tone map a hdr image and save it as JPEG.

SEE ALSO

       pfsout(1) pfsinppm(1)

BUGS

       For  LDR  formats  -  JPEG,  PNG, PNM: If pfstools are compiled without ImageMagic support, this command currently will not handle multiple
       frames given with a %d pattern.

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

																	  pfsin(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)