[vtkusers] Problem with vtkPolyDataMapper

[David E DeMarle]

On Friday, September 14, 2012, Nickabilla wrote:

> Hello guys!
>
> I am new to VTK and also to C++ and wanted to do visualisation of a point
> cloud. I have VTK set up in Visual Studio 2010 with all the project
> settings
> correct. At least i think i do because when i run this example:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Math/NormalizeVector it all works
> fine. However when i try to visualize a cone:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/GeometricObjects/Cone the program
> gives this exception:
>
> Unhandled exception at 0x004115ed in vtk_test.exe: 0xC0000005: Access
> violation reading location 0x00000000.
>
> The exception is on this line and refers to the 'mapper' object:
>
> mapper->SetInputConnection(coneSource->GetOutputPort());



This is because vtkRenderingOpenGL, the implementation of the
vtkRenderingCore module, isn't linked.
Try using this find command in your cmakelists.txt.

find_package(VTK 6.0 REQUIRED NO_MODULE)


See http://vtk.org/Wiki/VTK/Build_System_Migration for an explanation of
what the heck I'm talking about.


> I also tried it like this and it doesn't work either:
>
> mapper->SetInputConnection(0,coneSource->GetOutputPort(0));
>
> I am using VTK 6.0. Does anyone have a clue to what i am doing wrong or
> maybe the example is outdated?
>
>
Technically you aren't using 6.0, you are using the development head
version which will become 6.0 once it stabilizes and we put it in a nice
shiny box.


Many thanks in advance,
>
> Nick
>
>
>
> --
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-- 
David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909
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