[vtkusers] *****SPAM***** RE: vtkPolyDataMapper "error LNK2001: unresolved external symbol".

[吴磊磊]

Hello Dave, David and Diego:

I stopped the compiling for several days.  Now it works, thank you for all your explanations. 

Some more details on this kind problem, by Luis,

http://www.nabble.com/Re:-Debuging-error-:-Read-the-FAQ-td9501618.html

Enjoy your Easter holiday!

Best,
Leilei

Date: Mon, 30 Mar 2009 11:56:06 -0400
Subject: Re: [vtkusers] vtkPolyDataMapper "error LNK2001: unresolved external 	symbol".
From: dave.partyka at kitware.com
To: wu-leilei at hotmail.com
CC: daviddoria at gmail.com; vtkusers at vtk.org

When your program is executed it is trying to find the vtk dlls but cannot find them. One thing you can do is add your vtk\bin\debug directory to your PATH. You can also do this from within visual studio by going under Properties to your project and then go to Debugging. On that tab there is the Environment setting that you could set something like PATH=PATH;c:\vtk\bin\debug for example.

Hope that helps.

2009/3/30 吴磊磊 <wu-leilei at hotmail.com>






Hello David:

Yes, in the project properties, there is the additional library directories. Maybe there is some problems during the vtk installation, I am checking that. Thanks.

Ciao,
Leilei

Date: Mon, 30 Mar 2009 10:53:21 -0400

From: daviddoria at gmail.com
CC: vtkusers at vtk.org
Subject: Re: [vtkusers] vtkPolyDataMapper "error LNK2001: unresolved	external symbol".


I don't use windows, so I don't know about these dll's, but it sounds like you may not have the compiler set to check that directory for files to link to (the -L flag in gcc). I'd bet you have to add the c:\... \vtk\bin\ folder to a list somewhere in the visual studio project properties.


Thanks,

David



2009/3/30 吴磊磊 <wu-leilei at hotmail.com>






Hello David:

Yes, I missed the vtkRendering. Then I met the other problem, during the debuging, "This application has failed to start because vtkRendering.dll was not found. Re-installing the application may fix this problem". Actually the vtkRendering.dll is in the \bin\debug or \bin\debug. Do you have further ideas on this problem. Thx.



Best,
Leilei

Date: Mon, 30 Mar 2009 09:53:14 -0400
From: daviddoria at gmail.com
CC: vtkusers at vtk.org


Subject: Re: [vtkusers] vtkPolyDataMapper "error LNK2001: unresolved	external symbol".

Sounds like you aren't linking to the vtk libraries. I usually just link to a lot of them



vtkRendering vtkGraphics vtkHybrid vtkImaging vtkIO  vtkFiltering vtkCommon

just to be sure :)

Thanks,

David



2009/3/30 吴磊磊 <wu-leilei at hotmail.com>






Hello All:

My name is Leilei Wu, and I got some problems when compiling the codes related with VTK in visual studio 2005, both in release and debug mode. (I used visual studio 2003 before, there was no this kind problem)




In the code PART1 (see below), the compiling is ok, but in the code PART2  there are problems of

error LNK2001: unresolved external symbol "__declspec(dllimport) public: void __thiscall vtkPolyDataMapper::SetInput(class vtkPolyData *)" (__imp_?SetInput at vtkPolyDataMapper@@QAEXPAVvtkPolyData@@@Z)



error LNK2001: unresolved external symbol "__declspec(dllimport) public: static class vtkPolyDataMapper * __cdecl vtkPolyDataMapper::New(void)" 
(__imp_?New at vtkPolyDataMapper@@SAPAV1 at XZ)

================================



code PART1:
  vtkContourFilter  *VesselVolume =  vtkContourFilter::New();
  VesselVolume->SetInput( connector->GetOutput() );
  VesselVolume->SetValue(0,255);

&n
 bsp; vtkSmoothPolyDataFilter *SmoothPolyDataFilter = vtkSmoothPolyDataFilter::New();
  SmoothPolyDataFilter->SetInput( VesselVolume->GetOutput() );
  SmoothPolyDataFilter->SetNumberOfIterations( 175 );




  vtkPolyDataNormals *NormalsPolyData = vtkPolyDataNormals::New();
  NormalsPolyData->SetInput( SmoothPolyDataFilter->GetOutput() );
  NormalsPolyData->FlipNormalsOn();

code PART2:
  vtkPolyDataMapper  *PolyMapper = vtkPolyDataMapper::New();



  PolyMapper->SetInput( NormalsPolyData->GetOutput() );
  int colormode = PolyMapper->GetColorMode();
=================================
with the vtk header files of 

#include "vtkImageWriter.h"



#include "vtkImageData.h"
#include "vtkImageViewer.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkDataSetMapper.h"
#include "vtkPolyDataMapper.h"
#include "vtkRenderWindow.h"



#include "vtkCamera.h"
#
 include "vtkActor.h"
#include "vtkRenderer.h"
#include "vtkCommand.h"
#include "vtkInteractorStyleTrackballCamera.h"
#include "vtkProperty.h"
#include "vtkMarchingCubes.h"



#include "vtkContourFilter.h"
#include "vtkOutlineFilter.h"
#include "vtkPolyDataNormals.h"
#include "vtkSmoothPolyDataFilter.h"
#include "vtkOutlineSource.h"



=================================

Can someone give me some solutions (sorry if there are solutions already on the vtk users board)?  Thank you very much! Have a nice day!

Best wishes
Leilei

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