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findscu(1)			  OFFIS	DCMTK			    findscu(1)

NAME
       findscu - DICOM query (C-FIND) SCU

SYNOPSIS
       findscu [options] peer port [dcmfile-in...]

DESCRIPTION
       The  findscu  application  implements  an  SCU  for  the	Query/Retrieve
       Service Class and the Basic Worklist Management Service Class.  findscu
       only  supports  query  functionality using the C-FIND message. It sends
       query keys to an	SCP and	awaits responses. The application can be  used
       to  test	 SCPs  of  the	Query/Retrieve	and  Basic Worklist Management
       Service Classes.

PARAMETERS
       peer	   hostname of DICOM peer

       port	   tcp/ip port number of peer

       dcmfile-in  DICOM query file(s)

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

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

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

   network options
       override	matching keys:

	 -k    --key  [k]ey: gggg,eeee="str", path or dictionary name="str"
		 override matching key

       query information model:

	 -W    --worklist
		 use modality worklist information model (default)

	 -P    --patient
		 use patient root information model

	 -S    --study
		 use study root	information model

	 -O    --psonly
		 use patient/study only	information model

       application entity titles:

	 -aet  --aetitle  [a]etitle: string
		 set my	calling	AE title (default: FINDSCU)

	 -aec  --call  [a]etitle: string
		 set called AE title of	peer (default: ANY-SCP)

       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

       proposed	transmission transfer syntaxes:

	 -x=   --propose-uncompr
		 propose all uncompressed TS, explicit VR
		 with local byte ordering first	(default)

	 -xe   --propose-little
		 propose all uncompressed TS, explicit VR
		 little	endian first

	 -xb   --propose-big
		 propose all uncompressed TS, explicit VR
		 big endian first

	 -xi   --propose-implicit
		 propose implicit VR little endian TS only

       other network options:

	 -to   --timeout  [s]econds: integer (default: unlimited)
		 timeout for connection	requests

	 -ta   --acse-timeout  [s]econds: integer (default: 30)
		 timeout for ACSE messages

	 -td   --dimse-timeout	[s]econds: integer (default: unlimited)
		 timeout for DIMSE messages

	 -pdu  --max-pdu  [n]umber of bytes: integer (4096..131072)
		 set max receive pdu to	n bytes	(default: 16384)

	       --repeat	 [n]umber: integer
		 repeat	n times

	       --abort
		 abort association instead of releasing	it

	       --cancel	 [n]umber: integer
		 cancel	after n	responses (default: never)

	 -X    --extract
		 extract responses to file (rsp0001.dcm, ...)

   transport layer security (TLS) options
       transport protocol stack:

	 -tls  --disable-tls
		 use normal TCP/IP connection (default)

	 +tls  --enable-tls  [p]rivate key file, [c]ertificate file: string
		 use authenticated secure TLS connection

	 +tla  --anonymous-tls
		 use secure TLS	connection without certificate

       private key password (only with --enable-tls):

	 +ps   --std-passwd
		 prompt	user to	type password on stdin (default)

	 +pw   --use-passwd  [p]assword: string
		 use specified password

	 -pw   --null-passwd
		 use empty string as password

       key and certificate file	format:

	 -pem  --pem-keys
		 read keys and certificates as PEM file	(default)

	 -der  --der-keys
		 read keys and certificates as DER file

       certification authority:

	 +cf   --add-cert-file	[c]ertificate filename:	string
		 add certificate file to list of certificates

	 +cd   --add-cert-dir  [c]ertificate directory:	string
		 add certificates in d to list of certificates

       ciphersuite:

	 +cs   --cipher	 [c]iphersuite name: string
		 add ciphersuite to list of negotiated suites

	 +dp   --dhparam  [f]ilename: string
		 read DH parameters for	DH/DSS ciphersuites

       pseudo random generator:

	 +rs   --seed  [f]ilename: string
		 seed random generator with contents of	f

	 +ws   --write-seed
		 write back modified seed (only	with --seed)

	 +wf   --write-seed-file  [f]ilename: string (only with	--seed)
		 write modified	seed to	file f

       peer authentication:

	 -rc   --require-peer-cert
		 verify	peer certificate, fail if absent (default)

	 -vc   --verify-peer-cert
		 verify	peer certificate if present

	 -ic   --ignore-peer-cert
		 don't verify peer certificate

NOTES
       Each file supplied on the command line will be sent to the SCP as  part
       of  a  C-FIND  request.	The  query file	must be	a valid	DICOM data set
       containing the dataset part of a	 C-FIND-RQ  message.  The  query  file
       could, for instance, be created with the	dump2dcm utility from a	script
       like the	following example:

       # query patient names and IDs
       (0008,0052) CS [PATIENT]	    # QueryRetrieveLevel
       (0010,0010) PN []	    # PatientName
       (0010,0020) LO []	    # PatientID

       Individual attributes of	each file sent can be modified or supplemented
       using the -k option. For	example	the command:

       findscu -P -k "(0010,0010)=HEWETT*" caesar 5678 patqry.dcm

       will,  when  sent  to  the  SCP	caesar	at TCP/IP port 5678, cause any
       PatientName attribute in	patqry.dcm to have  the	 value	'HEWETT*'.  If
       such  an	attribute is present it	will be	replaced, if absent it will be
       inserted. The -k	option can be present more than	once. The  value  part
       (after  the  '=')  may  be absent causing the attribute to be sent with
       zero length.

       In earlier versions of findscu, the tag	keys  were  specified  without
       braces  around  group  and element number, e. g.	'0010,0010' instead of
       '(0010,0010)'. It is recommended	switching to the new syntax;  however,
       the old syntax is still working.

       Also -k accepts dictionary names	instead	of element tags	for specifying
       DICOM elements. For example, the	findscu	call  above  then  reads  like
       this:

       findscu -P -k PatientName="HEWETT*" caesar 5678 patqry.dcm

       It  is  also possible to	specify	sequences, items and nested attributes
       using the -k option. In these cases, a special 'path' notation  has  to
       be used,	e. g.

       findscu -W -k "(0040,0100)[0].Modality=CT" caesar 5678

       This  call  queries  a  worklist	 server	at host	caesar for any planned
       procedures for CT modalities by specifing  tag  (0040,0100)  'Scheduled
       Procedure  Step Sequence' and an	attribute 'Modality' in	the first item
       of this sequence	with value 'CT'. Details on this path notation can  be
       found in	the documentation of dcmodify.

       If  no  file  is	 specified  on	the  command  line,  the query must be
       specified completely with one or	more -k	options.

       Each set	of response identifiers	received will  be  printed  to	stdout
       unless option --extract is used.

   DICOM Conformance
       The findscu application supports	the following SOP Classes as an	SCU:

       FINDPatientRootQueryRetrieveInformationModel	  1.2.840.10008.5.1.4.1.2.1.1
       FINDStudyRootQueryRetrieveInformationModel	  1.2.840.10008.5.1.4.1.2.2.1
       FINDPatientStudyOnlyQueryRetrieveInformationModel  1.2.840.10008.5.1.4.1.2.3.1
       FINDModalityWorklistInformationModel		  1.2.840.10008.5.1.4.31

       The  findscu  application will propose presentation contexts for	one of
       the abovementioned supported SOP	 Classes  depending  on	 command  line
       options	(-P,  -S,  -O  or -W). Each proposed presentation context will
       propose the transfer syntaxes:

       LittleEndianImplicitTransferSyntax		  1.2.840.10008.1.2
       LittleEndianExplicitTransferSyntax		  1.2.840.10008.1.2.1
       BigEndianExplicitTransferSyntax			  1.2.840.10008.1.2.2

       The findscu application does not	support	extended negotiation.

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
       behaviour 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	 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  findscu  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   behaviour  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.

SEE ALSO
       movescu(1), dump2dcm(1),	dcmodify(1)

COPYRIGHT
       Copyright (C) 1994-2010 by OFFIS	e.V., Escherweg	 2,  26121  Oldenburg,
       Germany.

Version	3.6.0			  6 Jan	2011			    findscu(1)

NAME | SYNOPSIS | DESCRIPTION | PARAMETERS | OPTIONS | NOTES | LOGGING | COMMAND LINE | ENVIRONMENT | SEE ALSO | COPYRIGHT

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