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https://github.com/bakhtiyork/GraphLayout

GraphLayout - iOS UI controls to visualize graphs. Powered by Graphviz
https://github.com/bakhtiyork/GraphLayout

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GraphLayout - iOS UI controls to visualize graphs. Powered by Graphviz

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README 

        
# GraphLayout



[![Version](https://img.shields.io/cocoapods/v/GraphLayout.svg?style=flat)](http://cocoapods.org/pods/GraphLayout)

[![License](https://img.shields.io/cocoapods/l/GraphLayout.svg?style=flat)](http://cocoapods.org/pods/GraphLayout)

[![Platform](https://img.shields.io/cocoapods/p/GraphLayout.svg?style=flat)](http://cocoapods.org/pods/GraphLayout)



GraphLayout - UI controls for graph visualization. It is powered by Graphviz. Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. It has important applications in networking, bioinformatics,  software engineering, database and web design, machine learning, and in visual interfaces for other technical domains.



## Example



To run the example project, clone the repo, and run `pod install` from the Example directory first.

Screenshot1



## Requirements

Xcode 9, iOS 11



## Installation



GraphLayout is available through [CocoaPods](http://cocoapods.org). To install

it, simply add the following line to your Podfile:



```ruby

pod 'GraphLayout'

```

Notice, please, GraphLayout doesn't support frameworks.



## Usage

Create graph, add nodes and edges.

```swift

let graph:Graph = Graph()

let node1 = graph.addNode("node 1")

let node2 = graph.addNode("node 2")

let node3 = graph.addNode("node 3")

let _ = graph.addEdge(from: node1, to: node2)

let _ = graph.addEdge(from: node1, to: node3)

let _ = graph.addEdge(from: node3, to: node2)

```

Apply graph layout (Graphviz powered)

```swift

graph.applyLayout()

```



### GraphView

GraphView is a view to draw graphs. Set graph property of GraphView.

```swift

graphView.graph = graph

graphView.setNeedsDisplay()

```



### GraphLayout

GraphLayout is UICollectionView layout and data source to display graphs.

```swift

let layout = GraphLayout()

layout.graph = graph

layout.setup(collectionView: collectionView)

layout.invalidateLayout()

```



## Credits



* Steve D. Lazaro [How-to: Use Graphviz to Draw Graphs in a Qt Graphics Scene](http://www.mupuf.org/blog/2010/07/08/how_to_use_graphviz_to_draw_graphs_in_a_qt_graphics_scene/)

* [qgv](https://github.com/nbergont/qgv) by [nbergont](https://github.com/nbergont)



## License



GraphLayout is available under the MIT license. See the LICENSE file for more info.