[vtkusers] Storing pointers to pipeline objects.

[Cory Quammen]

> At the moment, I am simply collecting the objects in a struct and storing
> them in a C++ container which is member of the class handling the pipeline.
> I have included below a sample of what I am doing at the moment. Is there a
> better way of doing this?
>
> Thanks,
> Panos
>

That is a perfectly acceptable and typical way to access objects in the
pipeline.

Cory



>
> ===============================================
> class QuadView
> {
> private:
>         struct PipelineObjects2D
>         {
>                 vtkSmartPointer<vtkImageStack> imageStack;
>                 vtkSmartPointer<vtkRenderer> renderer;
>                 vtkSmartPointer<vtkGenericOpenGLRenderWindow>
> renderWindow;
>         };
>
>         struct ImageDataStruct
>         {
>                 vtkSmartPointer<vtkImageData> imageData;
>                 vtkSmartPointer<vtkLookupTable> lookupTable;
>                 std::unordered_map<IQuadViewUI::ViewKey,
> vtkSmartPointer<vtkImageResliceMapper>>
>                         resliceMapperContainer;
>                 std::unordered_map<IQuadViewUI::ViewKey,
> vtkSmartPointer<vtkImageSlice>>
>                         imageSliceContainer;
>         };
>
>         std::map<unsigned long /*image UID*/, ImageDataStruct>
>                 m_ImageDataContainer;
>         std::unordered_map<IQuadViewUI::ViewKey, PipelineObjects2D>
>                 m_PipelineObject2DContainer;
>
> public:
>
>         // more code
> };
>
> ===============================================
>
>
>
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-- 
Cory Quammen
Staff R&D Engineer
Kitware, Inc.
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