Use a geometry shader

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JavaDoc: DefaultGeometryShader

In jReality one can control the display of points, edges, and faces of a geometric primitive with separate shaders. Use an instance of DefaultGeometryShader to control whether each of these element types is to be displayed.

In the absence of a proper tutorial example: See the tutorial example Introduction To Transformations for a simple example showing how to set all eight possible combinations of displaying vertices -- edges -- faces.

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