Specific Character set issue

Message

annapurne.s · #1 Post by **annapurne.s** » Wed, 2024-05-22, 12:07

Hi all, I am using DCMTK framework. I am facing issue in Specific character set

Initially i am not set this tag after latin char not get supported i used ISO_IR_192 then now i got issue with Russian character set when user query MWL. Is there is any way to find out the Specific character set before make the query.

Please reply asap.

annapurne.s · #2 Post by **annapurne.s** » Wed, 2024-05-22, 12:08

Hi all, I am using DCMTK framework. I am facing issue in Specific character set

Initially i am not set this tag after latin char not get supported i used ISO_IR_192 then now i got issue with Russian character set (ISO_IR_144) when user query MWL. Is there is any way to find out the Specific character set before make the query.

Please reply asap.

J. Riesmeier · #3 Post by **J. Riesmeier** » Fri, 2024-05-24, 09:14

The Specific Character Set that is used for a C-FIND response dataset is specified by the SCP, if this was the question. You could check in the DICOM Conformance Statement of the particular device which character sets are supported and how they are used.

annapurne.s · #4 Post by **annapurne.s** » Fri, 2024-05-24, 10:25

Hi, thanks for quick response.

I am using DCMTK 3.6.2, now i am try to enable the WITH_LIBICONV but CMake showing error log

Code: Select all

CMake Warning (dev) at CMakeLists.txt:2 (PROJECT):
  cmake_minimum_required() should be called prior to this top-level project()
  call.  Please see the cmake-commands(7) manual for usage documentation of
  both commands.
This warning is for project developers.  Use -Wno-dev to suppress it.

The C compiler identification is AppleClang 15.0.0.15000040
The CXX compiler identification is AppleClang 15.0.0.15000040
Detecting C compiler ABI info
Detecting C compiler ABI info - done
Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang - skipped
Detecting C compile features
Detecting C compile features - done
Detecting CXX compiler ABI info
Detecting CXX compiler ABI info - done
Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ - skipped
Detecting CXX compile features
Detecting CXX compile features - done
CMake Deprecation Warning at CMakeLists.txt:5 (CMAKE_MINIMUM_REQUIRED):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


CMake Deprecation Warning at CMake/dcmtkPrepare.cmake:11 (CMAKE_MINIMUM_REQUIRED):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.
Call Stack (most recent call first):
  CMakeLists.txt:17 (INCLUDE)


CMake Deprecation Warning at CMake/dcmtkPrepare.cmake:230 (CMAKE_POLICY):
  The OLD behavior for policy CMP0005 will be removed from a future version
  of CMake.

  The cmake-policies(7) manual explains that the OLD behaviors of all
  policies are deprecated and that a policy should be set to OLD only under
  specific short-term circumstances.  Projects should be ported to the NEW
  behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
  CMakeLists.txt:17 (INCLUDE)


Info: DCMTK TIFF support will be enabled
Info: DCMTK PNG support will be enabled
Info: DCMTK OPENSSL support will be enabled
Info: DCMTK XML support will be enabled
Info: DCMTK ZLIB support will be enabled
CMake Warning (dev) at /private/var/folders/85/1gbzfl55213_k_n890y5hrk40000gn/T/AppTranslocation/573B65C7-A29F-47F2-B655-8CFA11EABDCA/d/CMake.app/Contents/share/cmake-3.29/Modules/FindPackageHandleStandardArgs.cmake:438 (message):
  The package name passed to `find_package_handle_standard_args` (SNDFILE)
  does not match the name of the calling package (Sndfile).  This can lead to
  problems in calling code that expects `find_package` result variables
  (e.g., `_FOUND`) to follow a certain pattern.
Call Stack (most recent call first):
  CMake/FindSndfile.cmake:20 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  CMake/3rdparty.cmake:226 (FIND_PACKAGE)
  CMake/dcmtkPrepare.cmake:439 (INCLUDE)
  CMakeLists.txt:17 (INCLUDE)
This warning is for project developers.  Use -Wno-dev to suppress it.

Found SNDFILE: /usr/local/lib/libsndfile.dylib
Info: DCMTK SNDFILE support will be enabled
Performing Test Iconv_IS_BUILT_IN
Performing Test Iconv_IS_BUILT_IN - Failed
CMake Warning (dev) at /private/var/folders/85/1gbzfl55213_k_n890y5hrk40000gn/T/AppTranslocation/573B65C7-A29F-47F2-B655-8CFA11EABDCA/d/CMake.app/Contents/share/cmake-3.29/Modules/FindPackageHandleStandardArgs.cmake:438 (message):
  The package name passed to `find_package_handle_standard_args` (Iconv) does
  not match the name of the calling package (ICONV).  This can lead to
  problems in calling code that expects `find_package` result variables
  (e.g., `_FOUND`) to follow a certain pattern.
Call Stack (most recent call first):
  /private/var/folders/85/1gbzfl55213_k_n890y5hrk40000gn/T/AppTranslocation/573B65C7-A29F-47F2-B655-8CFA11EABDCA/d/CMake.app/Contents/share/cmake-3.29/Modules/FindICONV.cmake:165 (find_package_handle_standard_args)
  CMake/3rdparty.cmake:241 (FIND_PACKAGE)
  CMake/dcmtkPrepare.cmake:439 (INCLUDE)
  CMakeLists.txt:17 (INCLUDE)
This warning is for project developers.  Use -Wno-dev to suppress it.

Found Iconv: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.0.sdk/usr/lib/libiconv.tbd
CMake Warning (dev) at /private/var/folders/85/1gbzfl55213_k_n890y5hrk40000gn/T/AppTranslocation/573B65C7-A29F-47F2-B655-8CFA11EABDCA/d/CMake.app/Contents/share/cmake-3.29/Modules/FindPackageHandleStandardArgs.cmake:438 (message):
  The package name passed to `find_package_handle_standard_args` (LIBCHARSET)
  does not match the name of the calling package (Charset).  This can lead to
  problems in calling code that expects `find_package` result variables
  (e.g., `_FOUND`) to follow a certain pattern.
Call Stack (most recent call first):
  CMake/FindCharset.cmake:17 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  CMake/3rdparty.cmake:242 (FIND_PACKAGE)
  CMake/dcmtkPrepare.cmake:439 (INCLUDE)
  CMakeLists.txt:17 (INCLUDE)
This warning is for project developers.  Use -Wno-dev to suppress it.

Found LIBCHARSET: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.0.sdk/usr/lib/libcharset.tbd
Warning: ICONV support will be disabled because libiconv was not found. Correct LIBICONV_LIBDIR and LIBICONV_INCLUDE_DIR and re-enable DCMTK_WITH_ICONV.
CMake Warning (dev) at /private/var/folders/85/1gbzfl55213_k_n890y5hrk40000gn/T/AppTranslocation/573B65C7-A29F-47F2-B655-8CFA11EABDCA/d/CMake.app/Contents/share/cmake-3.29/Modules/FindPackageHandleStandardArgs.cmake:438 (message):
  The package name passed to `find_package_handle_standard_args` (WRAP) does
  not match the name of the calling package (Wrap).  This can lead to
  problems in calling code that expects `find_package` result variables
  (e.g., `_FOUND`) to follow a certain pattern.
Call Stack (most recent call first):
  CMake/FindWrap.cmake:20 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  CMake/3rdparty.cmake:259 (FIND_PACKAGE)
  CMake/dcmtkPrepare.cmake:439 (INCLUDE)
  CMakeLists.txt:17 (INCLUDE)
This warning is for project developers.  Use -Wno-dev to suppress it.

Found WRAP: /opt/local/lib/libwrap.dylib
Info: DCMTK WRAP support will be enabled
Performing Test WITH_STDLIBC_ICONV
Performing Test WITH_STDLIBC_ICONV - Failed
Info: DCMTK ICU support will be enabled
Warning: DOXYGEN support will be disabled because doxygen was not found.
Info: DCMTK will compile without built-in (compiled-in) dictionary
Info: DCMTK will try to load external dictionary from default path on startup
Info: DCMTK's builtin private dictionary support will be disabled
Info: Thread support will be enabled
Info: Wide char file I/O functions will be disabled
Info: Wide char main function for command line tools will be disabled
Info: Building DCMTK with character set conversion support using the ICU
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Looking for pthread_key_create in pthread
Looking for pthread_key_create in pthread - found
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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/xmmintrin.h:14:2:
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  In file included from
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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:37:5:
  error: use of undeclared identifier '__builtin_ia32_emms'; did you mean
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      __builtin_ia32_emms();
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  In file included from
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  In file included from
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  In file included from
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  In file included from
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  In file included from
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  In file included from
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  In file included from
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  In file included from
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  In file included from
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  In file included from
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  In file included from
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  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.0.sdk/usr/include/c++/v1/math.h:507:10:
  note: '__builtin_isless' declared here

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  In file included from
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  In file included from
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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:37:25:
  error: too few arguments to function call, expected 2, have 0

      __builtin_ia32_emms();
      ~~~~~~~~~~~~~~~~~~~~^

  
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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:163:19:
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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:193:19:
  error: use of undeclared identifier '__builtin_ia32_packuswb'

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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:220:19:
  error: use of undeclared identifier '__builtin_ia32_punpckhbw'

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                    ^

  
  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:243:19:
  error: use of undeclared identifier '__builtin_ia32_punpckhwd'

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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:264:19:
  error: use of undeclared identifier '__builtin_ia32_punpckhdq'

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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:291:19:
  error: use of undeclared identifier '__builtin_ia32_punpcklbw'

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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:314:19:
  error: use of undeclared identifier '__builtin_ia32_punpcklwd'

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                    ^

  
  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:335:19:
  error: use of undeclared identifier '__builtin_ia32_punpckldq'

      return (__m64)__builtin_ia32_punpckldq((__v2si)__m1, (__v2si)__m2);
                    ^

  
  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:356:19:
  error: use of undeclared identifier '__builtin_ia32_paddb'; did you mean
  '__builtin_arm_addg'?

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  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:356:19:
  note: '__builtin_arm_addg' declared here


  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:356:19:
  error: first argument of MTE builtin function must be a pointer ('__v8qi'
  (vector of 8 'char' values) invalid)

      return (__m64)__builtin_ia32_paddb((__v8qi)__m1, (__v8qi)__m2);
                    ^                    ~~~~~~~~~~~~

  
  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:377:19:
  error: use of undeclared identifier '__builtin_ia32_paddw'; did you mean
  '__builtin_arm_addg'?

      return (__m64)__builtin_ia32_paddw((__v4hi)__m1, (__v4hi)__m2);
                    ^

  
  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:356:19:
  note: '__builtin_arm_addg' declared here

      return (__m64)__builtin_ia32_paddb((__v8qi)__m1, (__v8qi)__m2);
                    ^

  
  /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include/mmintrin.h:377:19:
  error: first argument of MTE builtin function must be a pointer ('__v4hi'
  (vector of 4 'short' values) invalid)

      return (__m64)__builtin_ia32_paddw((__v4hi)__m1, (__v4hi)__m2);
                    ^                    ~~~~~~~~~~~~

  fatal error: too many errors emitted, stopping now [-ferror-limit=]

  20 errors generated.



  ** BUILD FAILED **





  The following build commands failed:

  	CompileC
  /Users/admin/Desktop/New2/CMakeTmp/Arith/CMakeFiles/CMakeTmp/build/cmTC_7132d.build/Release/Objects-normal/arm64/arith.o
  /Users/admin/Downloads/dcmtk-3.6.2/config/tests/arith.cc normal arm64 c++
  com.apple.compilers.llvm.clang.1_0.compiler (in target 'cmTC_7132d' from
  project 'CMAKE_TRY_COMPILE')

  (1 failure)



Call Stack (most recent call first):
  CMakeLists.txt:53 (INSPECT_FUNDAMENTAL_ARITHMETIC_TYPES)


Configuring incomplete, errors occurred!

Please help me to solve this

#5 Post by **Marco Eichelberg** » Fri, 2024-05-24, 13:34

It looks like you are trying to compile DCMTK 3.6.2 on MacOS for ARM. That platform is only supported since DCMTK 3.6.8.
DCMTK 3.6.2, which is from 2017, predates the existence of MacOS for ARM by several years.

annapurne.s · #6 Post by **annapurne.s** » Mon, 2024-05-27, 12:50

Hi, I am using convertCharacterSet function to convert the dataset like this

dataset->convertCharacterSet(specificCharacterSet.c_str(), "ISO_IR 192");

But it returns this warnings,

W: Failed to open oficonv data file '/usr/local/share/dcmtk-3.6.8/esdb/esdb/esdb.alias.db', check environment variable DCMICONVPATH
W: Failed to open oficonv data file '/usr/local/share/dcmtk-3.6.8/esdb/esdb/esdb.alias', check environment variable DCMICONVPATH
W: Failed to open oficonv data file '/usr/local/share/dcmtk-3.6.8/esdb/esdb/esdb.dir.db', check environment variable DCMICONVPATH
W: Failed to open oficonv data file '/usr/local/share/dcmtk-3.6.8/esdb/esdb/esdb.dir', check environment variable DCMICONVPATH

What is the issue, I checked permission and path all are correct but if i print the path of DCMICONVPATH using NSLog(@"DCMICONVPATH: %s", getenv("DCMICONVPATH")); it returns empty.

#7 Post by **Marco Eichelberg** » Tue, 2024-05-28, 08:50

DCMTK expects the data files for character set conversion in a certain place, in your case, for example, there should be a file '/usr/local/share/dcmtk-3.6.8/esdb/esdb/esdb.alias.db''.
If you need to use a different path, you can use the environment variable DCMICONVPATH to point to that directory.

annapurne.s · #8 Post by **annapurne.s** » Wed, 2024-05-29, 04:37

Hi, i am now using OFICONV foe character encoding. It's work file.

I have another issue in SpecificCharacterSet,
If more than one value avilable in this how to handle for eg: \ISO 2022 IR 13\ISO 2022 IR 87, \ISO 2022 IR 149

#9 Post by **Marco Eichelberg** » Wed, 2024-05-29, 10:08

The underlying code in DCMTK should handle this case just fine. No special handling needed if you want to convert that to UTF-8 (ISO_IR 192). Note, however, that the other direction, i.e. conversion of Unicode into more than one target character set, is not supported in DCMTK.

annapurne.s · #10 Post by **annapurne.s** » Wed, 2024-05-29, 12:36

Thank you for quick reply, How to get the SpecificCharacterSet from dataset if multiple exists and if two values is present which one is need to consider the first one?

Is the ISO 2022 IR 13 this type of SpecificCharacterSet is supported by DCMTK?. If yes, it is supported by OFICONV or libiconv.

And one more Question dataset-> convertToUTF8() is supports for all?

and what is the warning means "W: DcmSpecificCharacterSet: Escape sequences shall not be used in the first component group of a Person Name (PN), using them anyway" is need to consider?

#11 Post by **Marco Eichelberg** » Sat, 2024-06-01, 17:33

How to get the SpecificCharacterSet from dataset if multiple exists and if two values is present which one is need to consider the first one

This is explained in detail in DICOM Part 5. In brief: Every attribute value that is subject to specific character set (e.g. attributes of the value representation SH, LO, ST, LT PN etc.) starts with the character set specified as the first value of (0008,0005) SpecificCharacterSet. Within the string, certain escape sequences defined in ISO 2022 can be used between letters to switch to the other character sets (and back).

Escape sequences shall not be used in the first component group of a Person Name (PN)

This means that your file violates the DICOM standard. DICOM part 5, section 6.2.1.2 states that "ISO/IEC 2022 escapes for Code Extension shall not be used in [the first] component group" for PN attributes.
DICOM PN attributes may contain up to three different versions of the same person name, in different alphabets, separated by "=" characters. The first one, called "alphabetic", always uses a variety of the Latin alphabet and is used for compatibility with systems that do not support, for example, Japanese Kanji characters. The second one, called "ideographic", defines the meaning of the name and in the case of Japanese is written in Kanji characters (i.e. the letters adopted from Chinese to Japanese). The third one, called "phonetic", defines the pronounciation of the name, and in the case of Japanese is written in Katakana characters. DICOM requires that the first alphabet specified in SpecificCharacterSet contains the ASCII characters as a subset, so there should be any need to ever use ISO/IEC 2022 escape sequences within the alphabetic component group.

#12 Post by **Marco Eichelberg** » Sat, 2024-06-01, 17:36

convertToUTF8() should be able to convert all valid DICOM character sets to UTF-8 when using the oficonv library.
When using GNU libiconv and ICU, only a subset of character sets is supported. In particular, the ICU-based implementation in DCMTK will not support the character sets for Japanese.

DICOM @ OFFIS