/usr/share/vtk/Infovis/Python/databases2.py is in vtk-examples 5.8.0-17.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | from vtk import *
import os.path
data_dir = "../../../../VTKData/Data/Infovis/SQLite/"
if not os.path.exists(data_dir):
data_dir = "../../../../../VTKData/Data/Infovis/SQLite/"
if not os.path.exists(data_dir):
data_dir = "../../../../../../VTKData/Data/Infovis/SQLite/"
sqlite_file = data_dir + "SmallEmailTest.db"
# Construct a graph from database tables (yes very tricky)
databaseToGraph = vtkSQLDatabaseGraphSource()
databaseToGraph.SetURL("sqlite://" + sqlite_file)
databaseToGraph.SetEdgeQuery("select source, target from emails")
databaseToGraph.SetVertexQuery("select Name, Job, Age from employee")
databaseToGraph.AddLinkVertex("source", "Name", False)
databaseToGraph.AddLinkVertex("target", "Name", False)
databaseToGraph.AddLinkEdge("source", "target")
view = vtkGraphLayoutView()
view.AddRepresentationFromInputConnection(databaseToGraph.GetOutputPort())
view.SetVertexLabelArrayName("label")
view.SetVertexLabelVisibility(True)
view.SetVertexColorArrayName("Age")
view.SetColorVertices(True)
view.SetLayoutStrategyToSimple2D()
theme = vtkViewTheme.CreateMellowTheme()
theme.SetCellColor(.2,.2,.6)
theme.SetLineWidth(5)
theme.SetPointSize(10)
view.ApplyViewTheme(theme)
theme.FastDelete()
view.GetRenderWindow().SetSize(600, 600)
view.ResetCamera()
view.Render()
view.GetInteractor().Start()
|