[vtkusers] error C2664: 'SetInput' : cannot convert parameter 1 from 'class vtkImageData *'

[Mathieu Malaterre]

It was already in the FAQ, I guess people don't read FAQ :-P

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

Mathieu

François Bertel wrote:
> As this question is the number one question on the mailing list, I've
> just added a new entry in the FAQ:
> 
> http://www.vtk.org/Wiki/VTK_FAQ#The_C.2B.2B_compiler_cannot_convert_some_pointer_type_to_another_pointer_type_in_my_little_program
> 
> David Cole wrote:
> 
>>#include "vtkImageData.h"
>>
>>Ramisetti Srinivas wrote:
>>
>>
>>>hi ,
>>>I am new to VTK.....
>>>I encountered a problem using this code,when comiled with VC++6...
>>>here is my code and the error....
>>>plz help me
>>>
>>>
>>>// First include the required header files for the VTK classes we are
>>>using.
>>>#include "vtkConeSource.h"
>>>#include "vtkPolyDataMapper.h"
>>>#include "vtkRenderWindow.h"
>>>#include "vtkRenderWindowInteractor.h"
>>>#include "vtkCamera.h"
>>>#include "vtkActor.h"
>>>#include "vtkRenderer.h"
>>>#include "vtkInteractorStyleTrackballCamera.h"
>>>#include "vtkElevationFilter.h"
>>>#include "vtkSphereSource.h"
>>>#include "vtkQuadric.h"
>>>#include "vtkPlane.h"
>>>#include "vtkSampleFunction.h"
>>>#include "vtkCutter.h"
>>>int main( int argc, char *argv[] )
>>>{
>>> vtkQuadric *quadric=vtkQuadric::New();
>>> quadric->SetCoefficients(.5 ,1, .2, 0, .1, 0, 0, .2, 0, 0);
>>>
>>> vtkSampleFunction * data =vtkSampleFunction::New();
>>> data->SetSampleDimensions(30, 30, 30);
>>> data->SetImplicitFunction(quadric);
>>>
>>> vtkPlane *plane=vtkPlane::New();
>>>  //# eval plane SetOrigin [[data GetOutput] GetCenter]
>>>   plane->SetOrigin( 0, 0, .2);
>>>   plane->SetNormal( -0.287, 0, 0.9579);
>>>
>>>    vtkCutter *planeCut=vtkCutter::New();
>>>   planeCut->SetInput(data->GetOutput());
>>>   planeCut->SetCutFunction(plane);
>>>
>>>    vtkPolyDataMapper *cutMapper=vtkPolyDataMapper::New();
>>>   cutMapper->SetInput (planeCut->GetOutput());
>>>//#    eval cutMapper SetScalarRange \
>>>//#      [[[[data GetOutput] GetPointData] GetScalars] GetRange]
>>>    vtkActor *cutActor=vtkActor::New();
>>>   cutActor->SetMapper (cutMapper);
>>>    //ren1 AddActor cutActor
>>> vtkRenderer *ren1= vtkRenderer::New();
>>> ren1->AddActor( cutActor );
>>> ren1->SetBackground( 0.1, 0.2, 0.4 );
>>> vtkRenderWindow *renWin = vtkRenderWindow::New();
>>> renWin->AddRenderer( ren1 );
>>> renWin->SetSize( 300, 300 );
>>>
>>> vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
>>> iren->SetRenderWindow(renWin);
>>>
>>> vtkInteractorStyleTrackballCamera *style =
>>>   vtkInteractorStyleTrackballCamera::New();
>>> iren->SetInteractorStyle(style);
>>>
>>> iren->Initialize();
>>> iren->Start();
>>>
>>> cone->Delete();
>>> ren1->Delete();
>>> renWin->Delete();
>>> iren->Delete();
>>> style->Delete();
>>>
>>> return 0;
>>>}
>>>
>>>
>>>
>>>
>>>The following is my error:
>>>
>>>--------------------Configuration: Cone5 - Win32
>>>Debug--------------------
>>>Compiling...
>>>Cone5.cxx
>>>C:\Documents and Settings\Srinivas\Desktop\step\Cone5.cxx(99) : error
>>>C2664: 'SetInput' : cannot convert parameter 1 from 'class
>>>vtkImageData *' to 'class vtkDataSet *'
>>>       Types pointed to are unrelated; conversion requires
>>>reinterpret_cast, C-style cast or function-style cast
>>>Error executing cl.exe.
>>>
>>>Cone5.exe - 1 error(s), 0 warning(s)
>>>
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>>>
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>>>
>>
>>_______________________________________________
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>>
> 
> 
>