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Ethan Brodsky authored
The vtkCornerAnnotation class provided an easy means for overlaying 2D text annotations onto the corners of a rendering. Medical imaging applications typically use S/I A/P R/L annotations in the center of the edges of a visualization to denote patient orientation, but this was not yet supported. This enhancement adds support for edge annotation overlays, allowing any combination of edge and corner annotations, with no change to existing code that uses the corner annotation functionality. The example has been updated to test both functions. It may be worth considering renaming the class to vtkEdgeAnnotation to more generally characterize its functionality (as corners are parts of edges, but not vice versa).
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