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This is the command dcmconv that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


dcmconv - Convert DICOM file encoding

SYNOPSIS


dcmconv [options] dcmfile-in dcmfile-out

DESCRIPTION


The dcmconv utility reads a DICOM file (dcmfile-in), performs an encoding conversion and
writes the converted data to an output file (dcmfile-out).

PARAMETERS


dcmfile-in DICOM input filename to be converted

dcmfile-out DICOM output filename to write to

OPTIONS


general options
-h --help
print this help text and exit

--version
print version information and exit

--arguments
print expanded command line arguments

-q --quiet
quiet mode, print no warnings and errors

-v --verbose
verbose mode, print processing details

-d --debug
debug mode, print debug information

-l --log-level [l]evel: string constant
(fatal, error, warn, info, debug, trace)
use level l for the logger

-l --log-config [f]ilename: string
use config file f for the logger

input options
input file format:

+f --read-file
read file format or data set (default)

+fo --read-file-only
read file format only

-f --read-dataset
read data set without file meta information

input transfer syntax:

-t= --read-xfer-auto
use TS recognition (default)

-td --read-xfer-detect
ignore TS specified in the file meta header

-te --read-xfer-little
read with explicit VR little endian TS

-tb --read-xfer-big
read with explicit VR big endian TS

-ti --read-xfer-implicit
read with implicit VR little endian TS

parsing of file meta information:

+ml --use-meta-length
use file meta information group length (default)

-ml --ignore-meta-length
ignore file meta information group length

parsing of odd-length attributes:

+ao --accept-odd-length
accept odd length attributes (default)

+ae --assume-even-length
assume real length is one byte larger

handling of explicit VR:

+ev --use-explicit-vr
use explicit VR from dataset (default)

-ev --ignore-explicit-vr
ignore explicit VR (prefer data dictionary)

handling of non-standard VR:

+vr --treat-as-unknown
treat non-standard VR as unknown (default)

-vr --assume-implicit
try to read with implicit VR little endian TS

handling of undefined length UN elements:

+ui --enable-cp246
read undefined len UN as implicit VR (default)

-ui --disable-cp246
read undefined len UN as explicit VR

handling of defined length UN elements:

-uc --retain-un
retain elements as UN (default)

+uc --convert-un
convert to real VR if known

handling of private max-length elements (implicit VR):

-sq --maxlength-dict
read as defined in dictionary (default)

+sq --maxlength-seq
read as sequence with undefined length

handling of wrong delimitation items:

-rd --use-delim-items
use delimitation items from dataset (default)

+rd --replace-wrong-delim
replace wrong sequence/item delimitation items

general handling of parser errors:

+Ep --ignore-parse-errors
try to recover from parse errors

-Ep --handle-parse-errors
handle parse errors and stop parsing (default)

other parsing options:

+st --stop-after-elem [t]ag: "gggg,eeee" or dictionary name
stop parsing after element specified by t

automatic data correction:

+dc --enable-correction
enable automatic data correction (default)

-dc --disable-correction
disable automatic data correction

bitstream format of deflated input:

+bd --bitstream-deflated
expect deflated bitstream (default)

+bz --bitstream-zlib
expect deflated zlib bitstream

processing options
specific character set:

# the following options require support from the libiconv toolkit

+U8 --convert-to-utf8
convert all element values that are affected
by Specific Character Set (0008,0005) to UTF-8

+L1 --convert-to-latin1
convert affected element values to ISO 8859-1

+A7 --convert-to-ascii
convert affected element values to 7-bit ASCII

+C --convert-to-charset [c]harset: string
convert affected element values to the character
set specified by the DICOM defined term c

-Ct --transliterate
try to approximate characters that cannot be
represented through similar looking characters

-Cd --discard-illegal
discard characters that cannot be represented
in destination character set

other processing options:

-ig --no-invalid-groups
remove elements with invalid group number

output options
output file format:

+F --write-file
write file format (default)

+Fm --write-new-meta-info
write file format with new meta information

-F --write-dataset
write data set without file meta information

output transfer syntax:

+t= --write-xfer-same
write with same TS as input (default)

+te --write-xfer-little
write with explicit VR little endian TS

+tb --write-xfer-big
write with explicit VR big endian TS

+ti --write-xfer-implicit
write with implicit VR little endian TS

+td --write-xfer-deflated
write with deflated explicit VR little endian TS

post-1993 value representations:

+u --enable-new-vr
enable support for new VRs (UN/UT) (default)

-u --disable-new-vr
disable support for new VRs, convert to OB

group length encoding:

+g= --group-length-recalc
recalculate group lengths if present (default)

+g --group-length-create
always write with group length elements

-g --group-length-remove
always write without group length elements

length encoding in sequences and items:

+e --length-explicit
write with explicit lengths (default)

-e --length-undefined
write with undefined lengths

+eo --write-oversized
write oversized explicit length sequences
and items with undefined length (default)

-eo --abort-oversized
abort on oversized explicit sequences/items

data set trailing padding (not with --write-dataset):

-p= --padding-retain
do not change padding (default if not --write-dataset)

-p --padding-off
no padding (implicit if --write-dataset)

+p --padding-create [f]ile-pad [i]tem-pad: integer
align file on multiple of f bytes
and items on multiple of i bytes

deflate compression level (only with --write-xfer-deflated):

+cl --compression-level [l]evel: integer (default: 6)
0=uncompressed, 1=fastest, 9=best compression

LOGGING


The level of logging output of the various command line tools and underlying libraries can
be specified by the user. By default, only errors and warnings are written to the standard
error stream. Using option --verbose also informational messages like processing details
are reported. Option --debug can be used to get more details on the internal activity,
e.g. for debugging purposes. Other logging levels can be selected using option --log-
level. In --quiet mode only fatal errors are reported. In such very severe error events,
the application will usually terminate. For more details on the different logging levels,
see documentation of module 'oflog'.

In case the logging output should be written to file (optionally with logfile rotation),
to syslog (Unix) or the event log (Windows) option --log-config can be used. This
configuration file also allows for directing only certain messages to a particular output
stream and for filtering certain messages based on the module or application where they
are generated. An example configuration file is provided in <etcdir>/logger.cfg.

COMMAND LINE


All command line tools use the following notation for parameters: square brackets enclose
optional values (0-1), three trailing dots indicate that multiple values are allowed
(1-n), a combination of both means 0 to n values.

Command line options are distinguished from parameters by a leading '+' or '-' sign,
respectively. Usually, order and position of command line options are arbitrary (i.e. they
can appear anywhere). However, if options are mutually exclusive the rightmost appearance
is used. This behavior conforms to the standard evaluation rules of common Unix shells.

In addition, one or more command files can be specified using an '@' sign as a prefix to
the filename (e.g. @command.txt). Such a command argument is replaced by the content of
the corresponding text file (multiple whitespaces are treated as a single separator unless
they appear between two quotation marks) prior to any further evaluation. Please note that
a command file cannot contain another command file. This simple but effective approach
allows one to summarize common combinations of options/parameters and avoids longish and
confusing command lines (an example is provided in file <datadir>/dumppat.txt).

ENVIRONMENT


The dcmconv utility will attempt to load DICOM data dictionaries specified in the
DCMDICTPATH environment variable. By default, i.e. if the DCMDICTPATH environment variable
is not set, the file <datadir>/dicom.dic will be loaded unless the dictionary is built
into the application (default for Windows).

The default behavior should be preferred and the DCMDICTPATH environment variable only
used when alternative data dictionaries are required. The DCMDICTPATH environment variable
has the same format as the Unix shell PATH variable in that a colon (':') separates
entries. On Windows systems, a semicolon (';') is used as a separator. The data dictionary
code will attempt to load each file specified in the DCMDICTPATH environment variable. It
is an error if no data dictionary can be loaded.

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