The KGraph is the basic data structure used by the KIELER Infrastructure for Meta-Layout the Eclipse Layout Kernel (ELK) to describe and work with graphs. While developing layout algorithms, it is often necessary to assemble very specific graphs to see what the algorithm does with them. This is what the KGraph Text language was designed for: to be a simple language to assemble KGraphs for testing purposes.

This short tutorial will first introduce you to the KGraph and then walk you through writing your first KGT file. Grab a cup of tea and a few biscuits and work your way through it., slip into something more comfortable and get ready!

Preliminaries

There's a few things to do before we dive into the tutorial itself. For example, to do Eclipse programming, you will have to get your hands on an Eclipse installation first. Read through the following sections to get ready for the tutorial tasks.

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