View and Edit Graphviz dot file on your iPhone or iPad with Dot Graph Viewer, share with others by email or twitter or facebook. Features: * Open file from email attachement/DropBox, or iTunes App File Share to copy in and out files. * View Graph with zoom control * Share graph image * Share Dot text * Edit Dot file with customized keyboard * Show/copy parse Dot file errors * Use App Schema with URL to open file from internet, dotviewer://your_http_url_to_dot_file Dot file format is defined by Graphviz, so what is 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.