Linjig

Linjig is a term used in computer science and information visualization to describe a hypothetical software framework for representing and manipulating line-based graphs. In linjig, the data model emphasizes linear sequences of edges connected by junction nodes, enabling clear visualization of networks where the primary structure follows lines such as routes, pipelines, or traces. The term is commonly used in educational materials and illustrative examples to demonstrate graph editing, layout, and interaction techniques.

The conceptual architecture of linjig typically includes a core graph engine that stores nodes and edges in a line-friendly topology, a data adapter layer for importing and exporting common formats (for example CSV, JSON, or GeoJSON), a rendering component capable of SVG or canvas output, and an API that allows developers to extend with plugins and custom layouts. Layout algorithms may prioritize minimal edge overlap, legible labeling, and preservation of path continuity.

Key features associated with the linjig concept include dynamic editing of nodes and segments, path queries and routing, support for hierarchical or modular line networks, and export options for visualization dashboards and documentation. While not a standard product, the linjig concept is used to compare approaches to linear networks and to teach graph theory and data visualization techniques.

Applications imagined for linjig include transportation networks such as rail or bus lines, utility networks like water or electrical pipelines, manufacturing or process-flow diagrams, and educational tools for teaching graph concepts. The term remains primarily descriptive and theoretical rather than tied to a specific software implementation.