public void WritingGraphViz3()
{
Skip.IfNot(TestConfigManager.GetSettingAsBoolean(TestConfigManager.UseGraphViz), "Test Config marks GraphViz as unavailable, test cannot be run");
Graph g = new Graph();
g.LoadFromEmbeddedResource("VDS.RDF.Configuration.configuration.ttl");
GraphVizGenerator generator = new GraphVizGenerator("png");
generator.Generate(g, "WritingGraphViz3.png", false);
}
public void WritingGraphViz2()
{
if (!TestConfigManager.GetSettingAsBoolean(TestConfigManager.UseGraphViz))
{
Assert.Inconclusive("Test Config marks GraphViz as unavailable, test cannot be run");
}
Graph g = new Graph();
g.LoadFromEmbeddedResource("VDS.RDF.Configuration.configuration.ttl");
GraphVizGenerator generator = new GraphVizGenerator("svg");
generator.Generate(g, "WritingGraphViz2.svg", false);
}
public static void Main(string[] args)
{
Graph g = new Graph();
Graph h = new Graph();
UriLoader.Load(g, new Uri("http://nottm.ecs.soton.ac.uk/AllAboutThatWeb/profiles/exports/14"));
UriLoader.Load(h, new Uri("http://nottm.ecs.soton.ac.uk/AllAboutThatWeb/profiles/14"));
//Output to GraphViz
GraphVizGenerator gvizgen = new GraphVizGenerator("png");
gvizgen.Generate(g, "Triple.png", false);
gvizgen.Generate(h, "AATTriple.png", false);
GraphVizWriter gvizwriter = new GraphVizWriter();
gvizwriter.Save(g, "Triple.dot");
gvizwriter.Save(h, "AATTriple.dot");
}
public static void Main(string[] args)
{
//Create a new Empty Graph
Graph g = new Graph();
//Define Namespaces
g.NamespaceMap.AddNamespace("pets", new Uri("http://example.org/pets"));
//Create Uri Nodes
IUriNode dog, fido, rob, owner, name, species, breed, lab;
dog = g.CreateUriNode("pets:Dog");
fido = g.CreateUriNode("pets:abc123");
rob = g.CreateUriNode("pets:def456");
owner = g.CreateUriNode("pets:hasOwner");
name = g.CreateUriNode("pets:hasName");
species = g.CreateUriNode("pets:isAnimal");
breed = g.CreateUriNode("pets:isBreed");
lab = g.CreateUriNode("pets:Labrador");
//Assert Triples
g.Assert(new Triple(fido, species, dog));
g.Assert(new Triple(fido, owner, rob));
g.Assert(new Triple(fido, name, g.CreateLiteralNode("Fido")));
g.Assert(new Triple(rob, name, g.CreateLiteralNode("Rob")));
g.Assert(new Triple(fido, breed, lab));
//Attempt to output GraphViz
try
{
Console.WriteLine("Writing GraphViz DOT file graph_building_example2.dot");
GraphVizWriter gvzwriter = new GraphVizWriter();
gvzwriter.Save(g, "graph_building_example2.dot");
Console.WriteLine("Creating a PNG got this Graph called graph_building_example2.png");
GraphVizGenerator gvzgen = new GraphVizGenerator("svg", "C:\\Program Files (x86)\\Graphviz2.20\\bin");
gvzgen.Format = "png";
gvzgen.Generate(g, "graph_building_example2.png", false);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
}
private void btnVisualise_Click(object sender, EventArgs e)
{
if (this.txtFile.Text.Equals(String.Empty))
{
MessageBox.Show("You must enter a filename you wish to visualise the Graph to", "Filename Required", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
try
{
switch (Path.GetExtension(this.txtFile.Text))
{
case ".dot":
case "dot":
GraphVizWriter dotwriter = new GraphVizWriter();
dotwriter.Save(this._g, this.txtFile.Text);
break;
case ".png":
case "png":
GraphVizGenerator pnggenerator = new GraphVizGenerator("png");
pnggenerator.Generate(this._g, this.txtFile.Text, true);
break;
case ".svg":
case "svg":
default:
GraphVizGenerator svggenerator = new GraphVizGenerator("svg");
svggenerator.Generate(this._g, this.txtFile.Text, true);
break;
}
}
catch (Exception ex)
{
MessageBox.Show("An Error occurred while trying to visualise the selected Graph:\n" + ex.Message, "Visualisation Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
this.DialogResult = DialogResult.OK;
this.Close();
}
}
public void GraphMerging()
{
try
{
//Load the Test RDF
TurtleParser ttlparser = new TurtleParser();
Graph g = new Graph();
Graph h = new Graph();
Assert.IsNotNull(g);
Assert.IsNotNull(h);
ttlparser.Load(g, "MergePart1.ttl");
ttlparser.Load(h, "MergePart2.ttl");
Console.WriteLine("Merge Test Data Loaded OK");
Console.WriteLine();
Console.WriteLine("Graph 1 Contains");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString());
}
Console.WriteLine();
Console.WriteLine("Graph 2 Contains");
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString());
}
Console.WriteLine();
Console.WriteLine("Attempting Graph Merge");
g.Merge(h);
Console.WriteLine();
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString());
}
Assert.AreEqual(8, g.Triples.Count, "Expected 8 Triples after the Merge");
//Use a GraphViz Generator to picture this
Console.WriteLine();
Console.WriteLine("Visualizing Merged Graph as SVG with GraphViz");
GraphVizGenerator gvzgen = new GraphVizGenerator("svg");
gvzgen.Generate(g, "MergeTest.svg", false);
Console.WriteLine("Visualisation created as MergeTest.svg");
//Same merge into an Empty Graph
Console.WriteLine();
Console.WriteLine("Combining the two Graphs with two Merge operations into an Empty Graph");
Graph i = new Graph();
//Need to reload g from disk
g = new Graph();
ttlparser.Load(g, "MergePart1.ttl");
//Do the actual merge
i.Merge(g);
i.Merge(h);
Console.WriteLine();
foreach (Triple t in i.Triples)
{
Console.WriteLine(t.ToString());
}
Assert.AreEqual(8, i.Triples.Count, "Expected 8 Triples after the Merge");
}
catch (Exception ex)
{
TestTools.ReportError("Other Exception", ex, true);
}
}
public void GraphCreation1()
{
//Create a new Empty Graph
Graph g = new Graph();
Assert.IsNotNull(g);
//Define Namespaces
g.NamespaceMap.AddNamespace("vds", new Uri("http://www.vdesign-studios.com/dotNetRDF#"));
g.NamespaceMap.AddNamespace("ecs", new Uri("http://id.ecs.soton.ac.uk/person/"));
//Check we set the Namespace OK
Assert.IsTrue(g.NamespaceMap.HasNamespace("vds"), "Failed to set a Namespace");
//Set Base Uri
g.BaseUri = g.NamespaceMap.GetNamespaceUri("vds");
Assert.IsNotNull(g.BaseUri);
Assert.AreEqual(g.NamespaceMap.GetNamespaceUri("vds"), g.BaseUri);
//Create Uri Nodes
IUriNode rav08r, wh, lac, hcd;
rav08r = g.CreateUriNode("ecs:11471");
wh = g.CreateUriNode("ecs:1650");
hcd = g.CreateUriNode("ecs:46");
lac = g.CreateUriNode("ecs:60");
//Create Uri Nodes for some Predicates
IUriNode supervises, collaborates, advises, has;
supervises = g.CreateUriNode("vds:supervises");
collaborates = g.CreateUriNode("vds:collaborates");
advises = g.CreateUriNode("vds:advises");
has = g.CreateUriNode("vds:has");
//Create some Literal Nodes
ILiteralNode singleLine = g.CreateLiteralNode("Some string");
ILiteralNode multiLine = g.CreateLiteralNode("This goes over\n\nseveral\n\nlines");
ILiteralNode french = g.CreateLiteralNode("Bonjour", "fr");
ILiteralNode number = g.CreateLiteralNode("12", new Uri(g.NamespaceMap.GetNamespaceUri("xsd") + "integer"));
g.Assert(new Triple(wh, supervises, rav08r));
g.Assert(new Triple(lac, supervises, rav08r));
g.Assert(new Triple(hcd, advises, rav08r));
g.Assert(new Triple(wh, collaborates, lac));
g.Assert(new Triple(wh, collaborates, hcd));
g.Assert(new Triple(lac, collaborates, hcd));
g.Assert(new Triple(rav08r, has, singleLine));
g.Assert(new Triple(rav08r, has, multiLine));
g.Assert(new Triple(rav08r, has, french));
g.Assert(new Triple(rav08r, has, number));
//Now print all the Statements
Console.WriteLine("All Statements");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString());
}
//Get statements about Rob Vesse
Console.WriteLine();
Console.WriteLine("Statements about Rob Vesse");
foreach (Triple t in g.GetTriples(rav08r))
{
Console.WriteLine(t.ToString());
}
//Get Statements about Collaboration
Console.WriteLine();
Console.WriteLine("Statements about Collaboration");
foreach (Triple t in g.GetTriples(collaborates))
{
Console.WriteLine(t.ToString());
}
//Attempt to output Turtle for this Graph
try
{
Console.WriteLine("Writing Turtle file graph_building_example.ttl");
TurtleWriter ttlwriter = new TurtleWriter();
ttlwriter.Save(g, "graph_building_example.ttl");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
//Attempt to output GraphViz
try
{
Console.WriteLine("Writing GraphViz DOT file graph_building_example.dot");
GraphVizWriter gvzwriter = new GraphVizWriter();
gvzwriter.Save(g, "graph_building_example.dot");
Console.WriteLine("Attempting Live GraphViz Generation as SVG");
GraphVizGenerator gvzgen = new GraphVizGenerator("svg", "C:\\Program Files (x86)\\Graphviz2.20\\bin");
gvzgen.Generate(g, "graph_building_example.svg", false);
Console.WriteLine("Attempting Live GraphViz Generation as PNG");
gvzgen.Format = "png";
gvzgen.Generate(g, "graph_building_example.png", false);
}
catch (Exception ex)
{
TestTools.ReportError("Exception using GraphViz", ex, true);
}
}
public static void Main(string[] args)
{
StreamWriter output = new StreamWriter("MergeTest.txt");
try
{
//Set Output
Console.SetOut(output);
Console.WriteLine("## Merge Test Suite");
//Load the Test RDF
TurtleParser ttlparser = new TurtleParser();
Graph g = new Graph();
Graph h = new Graph();
ttlparser.Load(g, "MergePart1.ttl");
ttlparser.Load(h, "MergePart2.ttl");
Console.WriteLine("Merge Test Data Loaded OK");
Console.WriteLine();
Console.WriteLine("Graph 1 Contains");
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString());
}
Console.WriteLine();
Console.WriteLine("Graph 2 Contains");
foreach (Triple t in h.Triples)
{
Console.WriteLine(t.ToString());
}
Console.WriteLine();
Console.WriteLine("Attempting Graph Merge");
g.Merge(h);
Console.WriteLine();
foreach (Triple t in g.Triples)
{
Console.WriteLine(t.ToString());
}
//Use a GraphViz Generator to picture this
Console.WriteLine();
Console.WriteLine("Visualizing Merged Graph as SVG with GraphViz");
GraphVizGenerator gvzgen = new GraphVizGenerator("svg");
gvzgen.Generate(g, "MergeTest.svg", false);
Console.WriteLine("Visualisation created as MergeTest.svg");
//Same merge into an Empty Graph
Console.WriteLine();
Console.WriteLine("Combining the two Graphs with two Merge operations into an Empty Graph");
Graph i = new Graph();
//Need to reload g from disk
g = new Graph();
ttlparser.Load(g, "MergePart1.ttl");
//Do the actual merge
i.Merge(g);
i.Merge(h);
Console.WriteLine();
foreach (Triple t in i.Triples)
{
Console.WriteLine(t.ToString());
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
output.Close();
}