[vtkusers] Operations in an image opened with using VTK, Qt and QVTKWidget

[Brenno Ribeiro]

How do i do to use in an image opened (from a VTK image using QVTKWidget)
some operations like write, draw, create an image with zoom and create
circles and polygons lines? And then export it to other image format like
jpeg for example. (Using VTK, Qt and QVTKWidget).

*I already can to open the image using VTK and QVTKWidget what i need it to
do the others operations.

-- 
Brenno Bernardes Ribeiro

Engenharia da Computação
Universidade Federal do Pará
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