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

Related tags

Graphics GraphLayout
Overview

GraphLayout

Version License Platform

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. To install it, simply add the following line to your Podfile:

pod 'GraphLayout'

Notice, please, GraphLayout doesn't support frameworks.

Usage

Create graph, add nodes and edges.

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)

graph.applyLayout()

GraphView

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

graphView.graph = graph
graphView.setNeedsDisplay()

GraphLayout

GraphLayout is UICollectionView layout and data source to display graphs.

let layout = GraphLayout()
layout.graph = graph
layout.setup(collectionView: collectionView)
layout.invalidateLayout()

Credits

License

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

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Comments
  • Change graph direction

    Change graph direction

    Hello There! I've failed to change the graph direction. Currently layout goes from top to bottom, but how it may be possible to revert it and draw nodes from bottom to top (i.e. at the moment when connect nodeA to nodeB, nodeA appears above and nodeB is below, but I need reversed layout). As far as I see, it's somewhere in Graphviz library? Thanks!

    opened by filiroman 0
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