[vtkusers] Bizarre implicit casting error

[Mathieu Malaterre]

Luke J West wrote:
> compiler output...
> 
> 
> app.cpp:185: error: no matching function for call to `vtkWarpScalar::SetInput(
>    vtkPolyData*)'
> /local/ljw/vtk/VTK/include/vtk/vtkPointSetToPointSetFilter.h:57: error: candidates
>    are: void vtkPointSetToPointSetFilter::SetInput(vtkPointSet*)
> 
> 
> But vtkPolyData* IS a vtkPointSet* so what's the problem?
> 
> Both header files were #included

Are you 100% sure ?

Make sure you include:
#include "vtkPolyData.h"

This example compile fine:
http://vtk.org/cgi-bin/cvsweb.cgi/~checkout~/VTK/Graphics/Testing/Cxx/expCos.cxx

HTH
Mathieu