[Insight-users] Linking problem [optimizer?]

[Paul Yushkevich]

Joris,

It looks that all the missing symbols are from the ITK Numerics 
library.  Perhaps the file itkNumerics.lib is not being included in your 
build.  I would check the linker page in the VC++ project settings, and 
see if that library is being liked with.  If not, you need to add it to 
the list of libraries in your CMakeLists.txt file.

Paul.

J Mst wrote:

> Hi all,
>
> I was making a little programming which can do registration. I use an 
> MFC interface. The compiling process is going ok but when VC++ start 
> linking I get the following error message:
>
> *********************************************************************
> Compiling...
> mattesDialog.cpp
> mattesDialogDlg.cpp
> Generating Code...
> Linking...
>   Creating library Debug/CmakeMattes.lib and object Debug/CmakeMattes.exp
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "protected: virtual void __thiscall 
> itk::RegularStepGradientDescentOptimizer::StepAlongGradient(double,class 
> itk::Array<double> const &)" 
> (?StepAlongGradient@RegularStepGradientDescentOptimizer@itk@@MAEXNABV?$Array@N@2@@Z) 
>
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "protected: virtual void __thiscall 
> itk::RegularStepGradientDescentBaseOptimizer::AdvanceOneStep(void)" 
> (?AdvanceOneStep@RegularStepGradientDescentBaseOptimizer@itk@@MAEXXZ)
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "public: virtual void __thiscall 
> itk::SingleValuedNonLinearOptimizer::SetCostFunction(class 
> itk::SingleValuedCostFunction *)" 
> (?SetCostFunction@SingleValuedNonLinearOptimizer@itk@@UAEXPAVSingleValuedCostFunction@2@@Z) 
>
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "protected: virtual void __thiscall 
> itk::Optimizer::SetCurrentPosition(class itk::Array<double> const &)" 
> (?SetCurrentPosition@Optimizer@itk@@MAEXABV?$Array@N@2@@Z)
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "public: virtual void __thiscall 
> itk::RegularStepGradientDescentBaseOptimizer::StartOptimization(void)" 
> (?StartOptimization@RegularStepGradientDescentBaseOptimizer@itk@@UAEXXZ)
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "public: virtual void __thiscall 
> itk::Optimizer::SetInitialPosition(class itk::Array<double> const &)" 
> (?SetInitialPosition@Optimizer@itk@@UAEXABV?$Array@N@2@@Z)
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "protected: virtual void __thiscall 
> itk::RegularStepGradientDescentBaseOptimizer::PrintSelf(class 
> std::basic_ostream<char,struct std::char_traits<char> > &,class 
> itk::Indent)const " 
> (?PrintSelf@RegularStepGradientDescentBaseOptimizer@itk@@MBEXAAV?$basic_ostream@DU?$char_traits@D@std@@@std@@VIndent@2@@Z) 
>
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "protected: __thiscall 
> itk::RegularStepGradientDescentBaseOptimizer::RegularStepGradientDescentBaseOptimizer(void)" 
> (??0RegularStepGradientDescentBaseOptimizer@itk@@IAE@XZ)
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "protected: virtual void __thiscall 
> itk::SingleValuedNonLinearOptimizer::PrintSelf(class 
> std::basic_ostream<char,struct std::char_traits<char> > &,class 
> itk::Indent)const " 
> (?PrintSelf@SingleValuedNonLinearOptimizer@itk@@MBEXAAV?$basic_ostream@DU?$char_traits@D@std@@@std@@VIndent@2@@Z) 
>
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "protected: virtual void __thiscall itk::Optimizer::PrintSelf(class 
> std::basic_ostream<char,struct std::char_traits<char> > &,class 
> itk::Indent)const " 
> (?PrintSelf@Optimizer@itk@@MBEXAAV?$basic_ostream@DU?$char_traits@D@std@@@std@@VIndent@2@@Z) 
>
> mattesDialogDlg.obj : error LNK2001: unresolved external symbol 
> "protected: virtual void __thiscall itk::CostFunction::PrintSelf(class 
> std::basic_ostream<char,struct std::char_traits<char> > &,class 
> itk::Indent)const " 
> (?PrintSelf@CostFunction@itk@@MBEXAAV?$basic_ostream@DU?$char_traits@D@std@@@std@@VIndent@2@@Z) 
>
> Debug/CmakeMattes.exe : fatal error LNK1120: 11 unresolved externals
> Error executing link.exe.
>
> **********************************************************************
>
> I have tried many different ways to "call" the optimizer.. but without 
> success. Does anyone know how to correct my problem??
>
> Many thanx in advance
>
> Joris
>
>
>
>
>
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-- 
--------------------------------
Paul A. Yushkevich, Ph.D.
President, Cognitica Corporation

17 Flemington Rd
Chapel Hill, NC 27517
Tel: 1-919-929-7652
--------------------------------