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rletopnm

Langue: en

Version: 13 April 2000 (mandriva - 22/10/07)

Section: 1 (Commandes utilisateur)

Sommaire

NAME

rletopnm - convert a Utah Raster Tools RLE image file to a PNM image file.

rletopnm

[--alphaout={alpha-filename,-}] [--headerdump|-h]

[--verbose|-v]

[rlefile|-]

All options may be abbreviated to their minimum unique abbreviation and options and arguments may be in any order.

This program is part of Netpbm(1).

rletopnm converts Utah Raster Toolkit RLE image files to PNM image files. rletopnm handles four types of RLE files: Grayscale (8 bit data, no color map), Pseudocolor (8 bit data with a color map), Truecolor (24 bit data with color map), and Directcolor (24 bit data, no color map). rletopnm generates a PPM file for all these cases except for the Grayscale file, for which rletopnm generates a PGM file.

rlefile is the RLE input file. If it is absent or -, the input comes from Standard Input.

--alphaout=alpha-filename
rletopnm creates a PGM (portable graymap) file containing the alpha channel values in the input image. If the input image doesn't contain an alpha channel, the alpha-filename file contains all zero (transparent) alpha values. If you don't specify --alphaout, rletopnm does not generate an alpha file, and if the input image has an alpha channel, rletopnm simply discards it.

If you specify - as the filename, rletopnm writes the alpha output to Standard Output and discards the image.

See pamcomp(1)foronewaytouse the alpha output file.

--verbose
This option causes rletopnm to operate in verbose mode. It prints messages about what it's doing, including the contents of the RLE image header, to Standard Error.
--headerdump
This option causes rletopnm to operate in header dump mode. It prints the contents of the RLE image header to Standard Error, but does not produce any other output.
While running in verbose mode, convert lenna.rle to PPM format and store the resulting image as lenna.ppm:
 
     rletopnm --verbose lenna.rle >lenna.ppm
 
 
Dump the header information of the RLE file called file.rle:
 
     rletopnm --headerdump file.rle
 
 
Convert RLE file dart.rle to PPM format as dart.ppm. Store the alpha channel of dart.rle as dartalpha.pgm (if dart.rle doesn't have an alpha channel, store a fully transparent alpha mask as dartalpha.pgm):
 
     rletopnm --alphaout=dartalpha.pgm dart.rle >dart.ppm
 
 

pnmtorle(1), pnmconvol(1), pnm(1), ppm(1), pgm(1),

Wes Barris Army High Performance Computing Research Center (AHPCRC) Minnesota Supercomputer Center, Inc.

Modifications by Eric Haines to support raw and plain formats.

Modifications by Bryan Henderson to create alpha files and use mnemonic options.

> Allez, soyez sympa ... traduisez-lui "linux"
Linux, c'est comme le miel : c'est vachement bon mais ça attire les
mouches. En plus, ça colle aux doigts et on a du mal à s'en défaire.
-+- TP in: Guide du linuxien pervers - "Barrez vous les mouches !"