load vtk
load std
load kw


define kwVolumeRendererWidget kw
  author "laurent.guigues@creatis.insa-lyon.fr"
  description "Volume renderer (vtk::VolumeRenderer) with associated control panel (transfer function and opacity editors)"
  category "image;widget;viewer"

  new kwTransferFunctionEditor color
  new kwTransferFunctionEditor opacity
  new VolumeRenderer renderer
  new kwLayoutSplit controls

  connect color.Out renderer.ColorFunction
  connect opacity.Out renderer.OpacityFunction
  connect color.Widget controls.Widget2
  connect opacity.Widget controls.Widget1

  new MultipleInputs refresh
  connect color.BoxChange refresh.In1
  connect opacity.BoxChange refresh.In2

  new vtkImageDataPointerRelay image
  connect image.Out color.In
  connect image.Out opacity.In
  connect image.Out renderer.In

  set color.Title "Transfer function"
  set opacity.Title "Opacity"

  input In image.In "3D image to render"
  input BoxExecute renderer.BoxExecute "Box execution"

  output Out renderer.Out "Output 3D object to plug into a 3D viewer"
  output BoxChange refresh.Out "BoxChange" 
  output Widget controls.Widget "Widget"

  exec renderer
endefine