from vtk import * import os.path dataRootDir = "/usr/share/vtkdata-6.0.0/Data/Infovis/XML/" if not os.path.exists(dataRootDir): dataRootDir = "..//usr/share/vtkdata-6.0.0/Data/Infovis/XML/" reader1 = vtkXMLTreeReader() reader1.SetFileName(dataRootDir + "vtklibrary.xml") reader1.Update() numeric = vtkStringToNumeric() numeric.SetInputConnection(reader1.GetOutputPort()) view = vtkTreeMapView() view.SetAreaSizeArrayName("size"); view.SetAreaColorArrayName("level"); view.SetAreaLabelArrayName("name"); view.SetAreaLabelVisibility(True); view.SetAreaHoverArrayName("name"); view.SetLayoutStrategyToSquarify(); view.SetRepresentationFromInputConnection(numeric.GetOutputPort()); # Apply a theme to the views theme = vtkViewTheme.CreateMellowTheme() view.ApplyViewTheme(theme) theme.FastDelete() view.ResetCamera() view.Render() view.GetInteractor().Start()