/usr/share/vtk/Infovis/Python/databases.py is in vtk-examples 5.8.0-14.1ubuntu3.
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 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | 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"
database = vtkSQLDatabase.CreateFromURL("sqlite://" + sqlite_file)
database.Open("")
edge_query = database.GetQueryInstance()
edge_query.SetQuery("select source, target from emails")
vertex_query = database.GetQueryInstance()
vertex_query.SetQuery("select Name, Job, Age from employee")
edge_table = vtkRowQueryToTable()
edge_table.SetQuery(edge_query)
edge_query.FastDelete()
vertex_table = vtkRowQueryToTable()
vertex_table.SetQuery(vertex_query)
vertex_query.FastDelete()
graph = vtkTableToGraph()
graph.AddInputConnection(edge_table.GetOutputPort())
graph.AddLinkVertex("source", "Name", False)
graph.AddLinkVertex("target", "Name", False)
graph.AddLinkEdge("source", "target")
graph.SetVertexTableConnection(vertex_table.GetOutputPort())
view = vtkGraphLayoutView()
view.AddRepresentationFromInputConnection(graph.GetOutputPort())
view.SetVertexLabelArrayName("label")
view.SetVertexLabelVisibility(True)
view.SetVertexColorArrayName("Age")
view.SetColorVertices(True)
view.SetLayoutStrategyToSimple2D()
# Add my new lay strategy
# myFoo = vtkCircularLayoutStrategy()
# view.SetLayoutStrategy(myFoo)
theme = vtkViewTheme.CreateMellowTheme()
theme.SetCellColor(.2,.2,.6)
theme.SetLineWidth(5)
theme.SetPointSize(10)
view.ApplyViewTheme(theme)
view.SetVertexLabelFontSize(20)
theme.FastDelete()
view.GetRenderWindow().SetSize(600, 600)
view.ResetCamera()
view.Render()
view.GetInteractor().Start()
database.FastDelete()
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