The project's Graph represents all of your project.

```
// Create an instance
InstantTerraApi::Init();
InstantTerraApi::InstantTerra it = InstantTerraApi::CreateInstantTerra();
// Get the current graph
InstantTerraApi::Graph graph = it.GetProject().GetGraph();
```

```
// Returns the numbers of nodes in the graph
int numberOfNodes = graph.nodesGetNodeCount();
```

See `GetNodeCount()`

in the documentation.

```
// Returns the first node of the graph (index: 0)
Node firstNode = graph.GetNode(0);
```

The `GetNode(int index)`

method returns the node with the specified index, from the
graph.

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