[vtkusers] problem compiling my application

[Sean McInerney]

Hi Lucas,

You are missing:

#include "vtkStructuredPoints.h"

See <http://www.vtk.org/Wiki/VTK_FAQ#Forward_declaration_in_VTK_4.x>

-Sean

Lucas Lorenzo wrote:
> Hi all,
> 
> I'm trying to compile a simple program that reads a volume in the form  
> of vtkStructuredPoints and extracts a particular slice (using  
> vtkImageReslice) in order to display it:
> 
> 
> #include "vtkStructuredPointsReader.h"
> #include "vtkLookupTable.h"
> #include "vtkImageReslice.h"
> #include "vtkRenderWindow.h"
> #include "vtkCamera.h"
> #include "vtkActor.h"
> #include "vtkRenderer.h"
> #include "vtkDataSetMapper.h"
> #include "vtkRenderWindowInteractor.h"
> 
> int main( int argc, char *argv[] )
> {
> 
>   vtkStructuredPointsReader *image_reader =  
> vtkStructuredPointsReader::New();
>   image_reader->SetFileName("myfile.vtk");
> 
> 
>   unsigned short lowval = 0;
>   unsigned short highval = 306;
>   vtkLookupTable *lut = vtkLookupTable::New();
>   lut->SetNumberOfTableValues(1024);
>   lut->SetTableRange(lowval,highval);
>   lut->SetHueRange(1,1);
>   lut->SetSaturationRange(0,0);
>   lut->SetValueRange(0,1);
>   lut->Build();
> 
> 
>   vtkImageReslice *get_slice = vtkImageReslice::New();
>   get_slice->SetInput(image_reader->GetOutput());
>   get_slice->SetOutputDimensionality(2);
>   get_slice->SetResliceAxesOrigin(0,0,33);
> 
> 
>   vtkDataSetMapper *im_mapper = vtkDataSetMapper::New();
>   im_mapper->SetInput(get_slice->GetOutput());
>   im_mapper->SetScalarRange(lowval,highval);
>   im_mapper->SetColorModeToMapScalars();
>   im_mapper->SetLookupTable(lut);
> 
> 
>   vtkActor *imActor = vtkActor::New();
>   imActor->SetMapper(im_mapper);
> 
> 
>   // Create the RenderWindow, Renderer and both Actors
>   vtkRenderer *ren1 = vtkRenderer::New();
>   vtkRenderWindow *renWin = vtkRenderWindow::New();
>   renWin->AddRenderer(ren1);
>   vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
>   iren->SetRenderWindow(renWin);
> 
> 
>   // Add the actors to the renderer, set the background and size
>   ren1->AddActor(imActor);
>   renWin->SetSize(640,640);
> 
> 
>   // render the image
>   vtkCamera *cam1 = ren1->GetActiveCamera();
>   cam1->Zoom(2.5);
>   renWin->Render();
> 
> 
>   // deallocate memory:
>   image_reader->Delete();
>   lut->Delete();
>   get_slice->Delete();
>   im_mapper->Delete();
>   imActor->Delete();
>   ren1->Delete();
>   renWin->Delete();
>   iren->Delete();
> 
> 
>   return 0;
> }
> 
> When compiling I have the following error:
> 
> Building dependencies. cmake.depends...
> -- Loading VTK CMake commands
> -- Loading VTK CMake commands - done
> Building object file ThresholdVTK.o...
> /private/var/automount/mom/u/lucas/Borrar/ThresholdVTK.cxx: In function  
> `int
>    main(int, char**)':
> /private/var/automount/mom/u/lucas/Borrar/ThresholdVTK.cxx:30: error: no
>    matching function for call to `vtkImageReslice::SetInput(
>    vtkStructuredPoints*)'
> /scratch/lucas/bin/VTK-4.4/VTK-binary/include/vtk/ 
> vtkImageToImageFilter.h:40: error: candidates
>    are: virtual void vtkImageToImageFilter::SetInput(vtkImageData*)
> /private/var/automount/mom/u/lucas/Borrar/ThresholdVTK.cxx:36: error: no
>    matching function for call to  
> `vtkDataSetMapper::SetInput(vtkImageData*)'
> /scratch/lucas/bin/VTK-4.4/VTK-binary/include/vtk/vtkDataSetMapper.h: 
> 56: error: candidates
>    are: void vtkDataSetMapper::SetInput(vtkDataSet*)
> make[1]: *** [ThresholdVTK.o] Error 1
> make: *** [default_target] Error 2
> 
> It is my understanding that  vtkStructuredPoints inherits vtkImageData.  
> But I must be missing something here.
> If you guys have any clue about this, please let me know.
> Thanks,
> 
> Lucas Lorenzo
> 
> PS: the CMakeList.txt file is only this:
> 
> PROJECT (ThresholdVTK)
> 
> INCLUDE (${CMAKE_ROOT}/Modules/FindVTK.cmake)
> IF (USE_VTK_FILE)
>   INCLUDE(${USE_VTK_FILE})
> ENDIF (USE_VTK_FILE)
> 
> ADD_EXECUTABLE(ThresholdVTK ThresholdVTK.cxx)
> TARGET_LINK_LIBRARIES(ThresholdVTK vtkRendering vtkImaging vtkIO)
> 
> University of Utah
> Nora Eccles Harrison CardioVascular Research and Training Institute
> Fellows Room
> 95 South 2000 East
> Salt Lake City, UT 84112-5000
> 
> e-mail:  lucas at cvrti.utah.edu
> telephone: 801-587-9536
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> This is the private VTK discussion list. 
> Please keep messages on-topic. Check the FAQ at: <http://public.kitware.com/cgi-bin/vtkfaq>
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers