Simple Cone - Groovy Way

Show a VTK cone using Groovy's SwingBuilder. 
import groovy.swing.SwingBuilder
import javax.swing.JFrame
import vtk.*

/*
 * Create a cone and display it in an application window using Groovy's SwingBuilder
 */

// Setup VTK rendering panel, this also loads VTK native libraries
def renWin = new vtkPanel()

// Setup cone rendering pipeline
def cone = new vtkConeSource()
cone.SetResolution(8)

def coneMapper = new vtkPolyDataMapper()
coneMapper.SetInputConnection(cone.GetOutputPort())

def coneActor = new vtkActor()
coneActor.SetMapper(coneMapper)

renWin.GetRenderer().AddActor(coneActor)
renWin.GetRenderer().ResetCamera()

// Create the main application window
new SwingBuilder().frame(
        title: "GroovyCone",
        defaultCloseOperation: JFrame.DISPOSE_ON_CLOSE,
        show: true,
        pack: true) {
  widget(renWin)
}