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cytoscape-dagre

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The Dagre layout for DAGs and trees for Cytoscape.js

github.com/cytoscape/cytoscape.js-dagre

cytoscape/cytoscape.js-dagre

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let defaults = { // dagre algo options, uses default value on undefined nodeSep: undefined, // the separation between adjacent nodes in the same rank edgeSep: undefined, // the separation between adjacent edges in the same rank rankSep: undefined, // the separation between adjacent nodes in the same rank rankDir: undefined, // 'TB' for top to bottom flow, 'LR' for left to right, align: undefined, // alignment for rank nodes. Can be 'UL', 'UR', 'DL', or 'DR', where U = up, D = down, L = left, and R = right acyclicer: undefined, // If set to 'greedy', uses a greedy heuristic for finding a feedback arc set for a graph. // A feedback arc set is a set of edges that can be removed to make a graph acyclic. ranker: undefined, // Type of algorithm to assigns a rank to each node in the input graph. // Possible values: network-simplex, tight-tree or longest-path minLen: function( edge ){ return 1; }, // number of ranks to keep between the source and target of the edge edgeWeight: function( edge ){ return 1; }, // higher weight edges are generally made shorter and straighter than lower weight edges // general layout options fit: true, // whether to fit to viewport padding: 30, // fit padding spacingFactor: undefined, // Applies a multiplicative factor (>0) to expand or compress the overall area that the nodes take up nodeDimensionsIncludeLabels: false, // whether labels should be included in determining the space used by a node animate: false, // whether to transition the node positions animateFilter: function( node, i ){ return true; }, // whether to animate specific nodes when animation is on; non-animated nodes immediately go to their final positions animationDuration: 500, // duration of animation in ms if enabled animationEasing: undefined, // easing of animation if enabled boundingBox: undefined, // constrain layout bounds; { x1, y1, x2, y2 } or { x1, y1, w, h } transform: function( node, pos ){ return pos; }, // a function that applies a transform to the final node position ready: function(){}, // on layoutready sort: undefined, // a sorting function to order the nodes and edges; e.g. function(a, b){ return a.data('weight') - b.data('weight') } // because cytoscape dagre creates a directed graph, and directed graphs use the node order as a tie breaker when // defining the topology of a graph, this sort function can help ensure the correct order of the nodes/edges. // this feature is most useful when adding and removing the same nodes and edges multiple times in a graph. stop: function(){} // on layoutstop }; module.exports = defaults;