Outline

#!/usr/bin/env python3

# noinspection PyUnresolvedReferences
import vtkmodules.vtkInteractionStyle
# noinspection PyUnresolvedReferences
import vtkmodules.vtkRenderingOpenGL2
from vtkmodules.vtkCommonColor import vtkNamedColors
from vtkmodules.vtkFiltersModeling import vtkOutlineFilter
from vtkmodules.vtkFiltersSources import vtkConeSource
from vtkmodules.vtkRenderingCore import (
    vtkActor,
    vtkPolyDataMapper,
    vtkRenderWindow,
    vtkRenderWindowInteractor,
    vtkRenderer
)


def main():
    colors = vtkNamedColors()

    # Create a rendering window, renderer and interactor.
    ren = vtkRenderer(background = colors.GetColor3d('MidnightBlue'))
    ren_win = vtkRenderWindow(window_name='Outline')
    ren_win.AddRenderer(ren)
    iren = vtkRenderWindowInteractor()
    iren.render_window = ren_win

    # Create hte source.
    source = vtkConeSource(center=(0, 0, 0), resolution=100)
    # Mapper
    mapper1 = vtkPolyDataMapper()
    source >> mapper1
    # Actor
    actor1 = vtkActor(mapper=mapper1)
    actor1.property.color=colors.GetColor3d('MistyRose')

    # Outline
    outline = vtkOutlineFilter()
    mapper2 = vtkPolyDataMapper()
    source >> outline >> mapper2
    actor2 = vtkActor(mapper=mapper2)
    actor2.property.color=colors.GetColor3d('Gold')

    # Assign the actors to the renderer.
    ren.AddActor(actor1)
    ren.AddActor(actor2)
    ren.SetBackground(colors.GetColor3d('MidnightBlue'))

    # Enable user interaction.
    iren.Initialize()
    ren_win.Render()
    iren.Start()


if __name__ == '__main__':
    main()