[vtkusers] (Help)How to draw 3D points in vtk

[老猫]

Hello.
 I have got several 3D points.I want to show them in a picture.which class or function can I use ?
 These points should have color.And I don't know how to show them with Mircosoft Visual C++ 6.0.
 There is another question.Can I show several pictures in one program?
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